sweatSmile/neet-biology-qa · Datasets at Hugging Face

question stringlengths 34 139	subject stringclasses 1 value	choices listlengths 4 4	answer stringclasses 4 values
In which animal is the Malpighian tubule the chief excretory organ?	biology	[ "Earthworm", "Cockroach", "Frog", "Starfish" ]	B
Which of the following cells in plants is responsible for photosynthesis?	biology	[ "Tracheid", "Vessel element", "Sieve tube", "Palisade mesophyll" ]	D
In cockroaches, the excretory organs are known as	biology	[ "Nephridia", "Malpighian tubules", "Green glands", "Flame cells" ]	B
Which specialized cells in Hydra are responsible for capturing prey and defense?	biology	[ "Cnidocytes", "Amoebocytes", "Choanocytes", "Collencytes" ]	A
In dicot stems, the vascular bundles are arranged in which of the following manners?	biology	[ "Scattered throughout ground tissue", "In a ring around the pith", "In parallel rows", "Randomly distributed" ]	B
Which hormone is primarily responsible for molting in insects?	biology	[ "Ecdysone", "Insulin", "Adrenaline", "Gibberellin" ]	A
Which one of the following is the main photosynthetic tissue in leaves?	biology	[ "Palisade parenchyma", "Collenchyma", "Sclerenchyma", "Epidermis" ]	A
The Casparian strip is chemically composed of which substance in the endodermal cell walls of roots?	biology	[ "Suberin", "Chitin", "Cellulose", "Lignin" ]	A
In which phylum does the adult have a water vascular system used for locomotion?	biology	[ "Mollusca", "Arthropoda", "Echinodermata", "Annelida" ]	C
In honey bees, the function of the drone is primarily to	biology	[ "Collect nectar", "Defend the hive", "Mate with the queen", "Care for larvae" ]	C
The exoskeleton of arthropods is primarily composed of	biology	[ "cellulose", "chitin", "collagen", "keratin" ]	B
Which of the following cells in plants is primarily responsible for the opening and closing of stomata?	biology	[ "Trichome", "Sieve cell", "Guard cell", "Companion cell" ]	C
In which animal does external fertilization typically occur?	biology	[ "Frog", "Dog", "Cow", "Human" ]	A
Which plant hormone is primarily responsible for the elongation of stem cells?	biology	[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]	A
Which animal shows metameric segmentation throughout its body?	biology	[ "Earthworm", "Cockroach", "Snail", "Leech" ]	A
In which animal is flame cell the excretory structure?	biology	[ "Planaria", "Earthworm", "Cockroach", "Frog" ]	A
Which of the following is the main photosynthetic tissue in the leaf of higher plants?	biology	[ "Palisade parenchyma", "Collenchyma", "Xylem", "Epidermis" ]	A
In cockroaches, which structure serves as the primary excretory organ?	biology	[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]	A
Which of the following is a non-endospermic (exalbuminous) seed?	biology	[ "Castor", "Wheat", "Pea", "Maize" ]	C
Which of the following is a distinguishing feature of dicotyledonous stems when viewed in transverse section?	biology	[ "Scattered vascular bundles", "Vascular bundles arranged in a ring", "Absence of pith", "Closed vascular bundles" ]	B
In cockroach, malpighian tubules primarily function in	biology	[ "Respiration", "Excretion", "Digestion", "Reproduction" ]	B
In which of the following animals is the excretory organ called Malpighian tubules?	biology	[ "Earthworm", "Prawn", "Cockroach", "Frog" ]	C
Which one of the following is the main nitrogenous waste excreted by birds?	biology	[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]	C
Which of the following plants exhibits phylloclade as an adaptation for photosynthesis in arid regions?	biology	[ "Opuntia", "Pisum", "Mustard", "Mango" ]	A
In which phase of meiosis does crossing over between homologous chromosomes occur?	biology	[ "Anaphase I", "Metaphase II", "Pachytene", "Telophase I" ]	C
Which of the following is the main function of companion cells in angiosperms?	biology	[ "Transport of water", "Support of sieve tube elements", "Loading and unloading of sugars", "Storage of starch" ]	C
In which animal is the malpighian tubule the chief excretory organ?	biology	[ "Leech", "Earthworm", "Cockroach", "Frog" ]	C
Which one of the following is the main photosynthetic tissue in a typical dicot leaf?	biology	[ "Spongy parenchyma", "Palisade parenchyma", "Epidermis", "Collenchyma" ]	B
Which one of the following pairs is correctly matched regarding the type of inflorescence and its example?	biology	[ "Racemose – Sunflower", "Cymose – Nerium", "Spike – Bougainvillea", "Umbel – Wheat" ]	B
In which animal does blood flow through the heart only once during one complete circuit of the body?	biology	[ "Frog", "Pigeon", "Shark", "Rabbit" ]	C
Which plant hormone is primarily responsible for promoting seed dormancy?	biology	[ "Auxin", "Gibberellin", "Abscisic acid", "Cytokinin" ]	C
In which phylum are flame cells primarily involved in excretion?	biology	[ "Annelida", "Platyhelminthes", "Arthropoda", "Mollusca" ]	B
Which of the following tissues is responsible for the movement of water and minerals from roots to leaves in angiosperms?	biology	[ "Phloem", "Collenchyma", "Xylem", "Sclerenchyma" ]	C
Which of the following is a distinguishing feature of mammals among vertebrates?	biology	[ "Presence of air sacs in lungs", "External fertilization", "Hair on body", "Cloaca for excretion" ]	C
In cockroaches, the respiratory system opens to the outside through which of the following structures?	biology	[ "Tracheoles", "Spiracles", "Malpighian tubules", "Book lungs" ]	B
In which plant tissue are companion cells found closely associated with sieve tube elements?	biology	[ "Xylem", "Phloem", "Cambium", "Pericycle" ]	B
The hormone responsible for inducing metamorphosis in amphibians is	biology	[ "Cortisol", "Thyroxine", "Adrenaline", "Insulin" ]	B
In mammals, the primary function of the loop of Henle in the nephron is to	biology	[ "Filter blood plasma", "Concentrate urine", "Secrete hormones", "Reabsorb glucose" ]	B
Which one of the following is NOT a characteristic feature of dicot stems?	biology	[ "Vascular bundles are arranged in a ring", "Presence of cambium", "Closed vascular bundles", "Presence of hypodermis" ]	C
In which of the following plant families are zygomorphic flowers commonly found?	biology	[ "Fabaceae", "Poaceae", "Solanaceae", "Brassicaceae" ]	A
Which hormone is primarily responsible for stimulating milk ejection (let-down) in mammalian females?	biology	[ "Prolactin", "Oxytocin", "Vasopressin", "Estrogen" ]	B
Which of the following plant hormones is primarily responsible for the closing of stomata during water stress?	biology	[ "Auxin", "Ethylene", "Abscisic acid", "Gibberellin" ]	C
In mammals, the structure responsible for the production of cerebrospinal fluid is	biology	[ "Choroid plexus", "Pia mater", "Corpus callosum", "Medulla oblongata" ]	A
Which of the following is a C4 plant adapted for high photosynthetic efficiency in tropical climates?	biology	[ "Wheat", "Rice", "Maize", "Potato" ]	C
Which of the following plant hormones is primarily responsible for the ripening of fruits?	biology	[ "Auxin", "Gibberellin", "Ethylene", "Cytokinin" ]	C
Which one of the following plants exhibits phylloclade as its stem modification for photosynthesis?	biology	[ "Opuntia", "Potato", "Pea", "Onion" ]	A
Which hormone is primarily responsible for the molting process in arthropods?	biology	[ "Thyroxine", "Ecdysone", "Gibberellin", "Insulin" ]	B
Which of the following is a characteristic feature of mammals but not of birds?	biology	[ "Three-chambered heart", "External ears (pinnae)", "Warm-bloodedness", "Lungs with air sacs" ]	B
Which plant hormone is primarily responsible for promoting the elongation of stems?	biology	[ "Gibberellin", "Abscisic acid", "Ethylene", "Cytokinin" ]	A
In cockroaches, the respiratory system comprises of	biology	[ "Gills", "Book lungs", "Tracheae", "Lungs" ]	C
Which of the following cells in plants is responsible for the opening and closing of stomata?	biology	[ "Trichome cells", "Guard cells", "Companion cells", "Sieve tube cells" ]	B
In mammals, which part of the brain is primarily responsible for regulating body temperature?	biology	[ "Cerebellum", "Hypothalamus", "Medulla oblongata", "Cerebrum" ]	B
In mammals, which organ is primarily responsible for the production of urea?	biology	[ "Liver", "Kidney", "Pancreas", "Spleen" ]	A
In dicot stems, the cambium responsible for secondary growth originates from which tissue?	biology	[ "Pericycle", "Endodermis", "Medullary rays", "Vascular bundles" ]	D
Which one of the following organisms exhibits external fertilization?	biology	[ "Frog", "Hen", "Rabbit", "Dog" ]	A
In which phylum does the body cavity (coelom) arise between the mesoderm and endoderm?	biology	[ "Annelida", "Aschelminthes", "Arthropoda", "Echinodermata" ]	B
Which of the following hormones is primarily responsible for the metamorphosis of tadpoles into adult frogs?	biology	[ "Insulin", "Thyroxine", "Cortisol", "Aldosterone" ]	B
Which of the following plant hormones is primarily responsible for promoting the elongation of stems?	biology	[ "Gibberellin", "Abscisic acid", "Ethylene", "Cytokinin" ]	A
In mammals, the renal corpuscle is composed of which two structures?	biology	[ "Loop of Henle and collecting duct", "Bowman’s capsule and glomerulus", "Proximal tubule and distal tubule", "Ureter and urinary bladder" ]	B
In cockroach, the Malpighian tubules are primarily involved in	biology	[ "Respiration", "Digestion", "Excretion", "Reproduction" ]	C
In which group of animals does respiration occur through book lungs?	biology	[ "Insects", "Crustaceans", "Arachnids", "Annelids" ]	C
Which of the following is a characteristic feature of dicot stem in T.S. (transverse section)?	biology	[ "Scattered vascular bundles", "Closed vascular bundles", "Vascular bundles arranged in a ring", "Absence of cambium" ]	C
Which of the following is not a function of the liver in mammals?	biology	[ "Bile production", "Urea synthesis", "Detoxification", "Insulin secretion" ]	D
Which hormone is primarily responsible for stimulating the development of secondary sexual characteristics in males?	biology	[ "Progesterone", "Estrogen", "Testosterone", "Oxytocin" ]	C
In a typical mammalian nephron, where does maximum reabsorption of glomerular filtrate occur?	biology	[ "Distal convoluted tubule", "Collecting duct", "Proximal convoluted tubule", "Loop of Henle" ]	C
Which phylum is characterized by the presence of a water vascular system used for locomotion and feeding?	biology	[ "Cnidaria", "Echinodermata", "Annelida", "Arthropoda" ]	B
In which phase of mitosis do the sister chromatids separate and move towards opposite poles in a plant cell?	biology	[ "Prophase", "Metaphase", "Anaphase", "Telophase" ]	C
Which of the following is an example of a xerophyte that shows CAM (Crassulacean Acid Metabolism) photosynthesis?	biology	[ "Opuntia", "Hydrilla", "Pisum", "Oryza" ]	A
In cockroach, the nitrogenous waste is primarily excreted in the form of:	biology	[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]	C
Which one of the following is a characteristic feature of dicotyledonous roots, but not monocotyledonous roots?	biology	[ "Pith is large and well developed", "Secondary growth is absent", "Xylem is arranged in a ring", "Vascular bundles are usually tetrarch or pentarch" ]	D
In cockroach, which of the following structures is responsible for grinding the food?	biology	[ "Crop", "Gizzard", "Hepatic caeca", "Malpighian tubules" ]	B
In which animal is the flame cell a specialized excretory structure?	biology	[ "Earthworm", "Cockroach", "Planaria", "Frog" ]	C
Which one of the following is a characteristic feature of dicotyledonous stem but not monocotyledonous stem?	biology	[ "Vascular bundles are scattered", "Vascular bundles are closed", "Presence of cambium in vascular bundles", "Absence of cortex" ]	C
In cockroach, malpighian tubules are primarily responsible for the elimination of which of the following?	biology	[ "Excess salts", "Uric acid", "Carbon dioxide", "Ammonia" ]	B
In mammals, the portion of the nephron where maximum reabsorption of glucose occurs is the	biology	[ "Distal convoluted tubule", "Proximal convoluted tubule", "Loop of Henle", "Collecting duct" ]	B
Which of the following cells in human blood is responsible for antibody production?	biology	[ "Neutrophil", "Basophil", "B lymphocyte", "Erythrocyte" ]	C
In which part of the leaf does the maximum photosynthetic activity occur?	biology	[ "Upper epidermis", "Palisade parenchyma", "Spongy parenchyma", "Lower epidermis" ]	B
Which of the following is the primary function of companion cells in phloem tissue?	biology	[ "Transport of water", "Providing mechanical support", "Assisting sieve tube elements in translocation", "Storing starch" ]	C
Which type of inflorescence is characterized by the youngest flowers being at the base and older flowers towards the apex?	biology	[ "Racemose", "Cymose", "Capitulum", "Spadix" ]	A
In cockroach, which structure is responsible for the storage and maturation of sperms?	biology	[ "Seminal vesicle", "Testis", "Vas deferens", "Mushroom gland" ]	A
Which of the following is a C4 plant that exhibits Kranz anatomy?	biology	[ "Rice", "Sugarcane", "Wheat", "Bean" ]	B
The Malpighian tubules in insects are primarily responsible for which physiological process?	biology	[ "Digestion", "Excretion", "Respiration", "Reproduction" ]	B
Which structure in the frog’s heart prevents the mixing of oxygenated and deoxygenated blood?	biology	[ "Sinus venosus", "Truncus arteriosus", "Interatrial septum", "Spiral valve" ]	D
In which phylum do animals possess stinging cells called cnidocytes?	biology	[ "Porifera", "Annelida", "Cnidaria", "Platyhelminthes" ]	C
Which of the following is a characteristic feature of dicot stem in T.S.?	biology	[ "Scattered vascular bundles", "Open vascular bundles arranged in a ring", "Closed vascular bundles", "Absence of cambium" ]	B
In cockroach, which structure is responsible for the formation of ootheca?	biology	[ "Colleterial glands", "Malpighian tubules", "Hepatic caeca", "Salivary glands" ]	A
Which of the following cell organelles is responsible for photorespiration in plants?	biology	[ "Peroxisome", "Golgi apparatus", "Mitochondria", "Ribosome" ]	A
In cockroaches, the male reproductive organ responsible for sperm storage before transfer to the female is the	biology	[ "Seminal vesicle", "Vas deferens", "Mushroom gland", "Testis" ]	A
Which of the following is the main function of guard cells in plant leaves?	biology	[ "Absorption of water", "Regulation of gas exchange", "Transport of nutrients", "Photosynthesis" ]	B
Which part of the nephron is primarily responsible for the selective reabsorption of glucose from the filtrate?	biology	[ "Bowman’s capsule", "Proximal convoluted tubule", "Loop of Henle", "Distal convoluted tubule" ]	B
Which of the following cells in plants is mainly responsible for the transport of water and minerals?	biology	[ "Sieve tube elements", "Tracheids", "Companion cells", "Phloem fibers" ]	B
In mammals, which organ is primarily responsible for the filtration of nitrogenous wastes from the blood?	biology	[ "Liver", "Kidney", "Lungs", "Spleen" ]	B
Which one of the following is a characteristic feature of dicot stems but not monocot stems?	biology	[ "Vascular bundles are arranged in a ring", "Scattered vascular bundles", "Presence of bulliform cells", "Absence of cambium" ]	A
The malpighian tubules in insects primarily function in	biology	[ "Respiration", "Excretion", "Digestion", "Circulation" ]	B
In which group of plants would you find seeds but no flowers?	biology	[ "Bryophytes", "Gymnosperms", "Pteridophytes", "Angiosperms" ]	B
Which of the following is the functional unit of contractile tissue in mammals?	biology	[ "Sarcomere", "Neuron", "Osteon", "Nephron" ]	A
In cockroach, the respiratory system is made up of	biology	[ "Lungs", "Gills", "Spiracles and tracheae", "Book lungs" ]	C
Which one of the following is a C4 plant?	biology	[ "Wheat", "Rice", "Maize", "Pea" ]	C
Which of the following is the main water-conducting tissue in gymnosperms?	biology	[ "Vessels", "Tracheids", "Sieve tubes", "Companion cells" ]	B
Which of the following is a characteristic feature of dicotyledonous stem in T.S.?	biology	[ "Scattered vascular bundles", "Closed vascular bundles", "Vascular bundles arranged in a ring", "Absence of cambium" ]	C

In which animal is the Malpighian tubule the chief excretory organ?

biology

[ "Earthworm", "Cockroach", "Frog", "Starfish" ]

B

Which of the following cells in plants is responsible for photosynthesis?

biology

[ "Tracheid", "Vessel element", "Sieve tube", "Palisade mesophyll" ]

D

In cockroaches, the excretory organs are known as

biology

[ "Nephridia", "Malpighian tubules", "Green glands", "Flame cells" ]

B

Which specialized cells in Hydra are responsible for capturing prey and defense?

biology

[ "Cnidocytes", "Amoebocytes", "Choanocytes", "Collencytes" ]

A

In dicot stems, the vascular bundles are arranged in which of the following manners?

biology

[ "Scattered throughout ground tissue", "In a ring around the pith", "In parallel rows", "Randomly distributed" ]

B

Which hormone is primarily responsible for molting in insects?

biology

[ "Ecdysone", "Insulin", "Adrenaline", "Gibberellin" ]

A

Which one of the following is the main photosynthetic tissue in leaves?

biology

[ "Palisade parenchyma", "Collenchyma", "Sclerenchyma", "Epidermis" ]

A

The Casparian strip is chemically composed of which substance in the endodermal cell walls of roots?

biology

[ "Suberin", "Chitin", "Cellulose", "Lignin" ]

A

In which phylum does the adult have a water vascular system used for locomotion?

biology

[ "Mollusca", "Arthropoda", "Echinodermata", "Annelida" ]

C

In honey bees, the function of the drone is primarily to

biology

[ "Collect nectar", "Defend the hive", "Mate with the queen", "Care for larvae" ]

C

The exoskeleton of arthropods is primarily composed of

biology

[ "cellulose", "chitin", "collagen", "keratin" ]

B

Which of the following cells in plants is primarily responsible for the opening and closing of stomata?

biology

[ "Trichome", "Sieve cell", "Guard cell", "Companion cell" ]

C

In which animal does external fertilization typically occur?

biology

[ "Frog", "Dog", "Cow", "Human" ]

A

Which plant hormone is primarily responsible for the elongation of stem cells?

biology

[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]

A

Which animal shows metameric segmentation throughout its body?

biology

[ "Earthworm", "Cockroach", "Snail", "Leech" ]

A

In which animal is flame cell the excretory structure?

biology

[ "Planaria", "Earthworm", "Cockroach", "Frog" ]

A

Which of the following is the main photosynthetic tissue in the leaf of higher plants?

biology

[ "Palisade parenchyma", "Collenchyma", "Xylem", "Epidermis" ]

A

In cockroaches, which structure serves as the primary excretory organ?

biology

[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]

A

Which of the following is a non-endospermic (exalbuminous) seed?

biology

[ "Castor", "Wheat", "Pea", "Maize" ]

C

Which of the following is a distinguishing feature of dicotyledonous stems when viewed in transverse section?

biology

[ "Scattered vascular bundles", "Vascular bundles arranged in a ring", "Absence of pith", "Closed vascular bundles" ]

B

In cockroach, malpighian tubules primarily function in

biology

[ "Respiration", "Excretion", "Digestion", "Reproduction" ]

B

In which of the following animals is the excretory organ called Malpighian tubules?

biology

[ "Earthworm", "Prawn", "Cockroach", "Frog" ]

C

Which one of the following is the main nitrogenous waste excreted by birds?

biology

[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]

C

Which of the following plants exhibits phylloclade as an adaptation for photosynthesis in arid regions?

biology

[ "Opuntia", "Pisum", "Mustard", "Mango" ]

A

In which phase of meiosis does crossing over between homologous chromosomes occur?

biology

[ "Anaphase I", "Metaphase II", "Pachytene", "Telophase I" ]

C

Which of the following is the main function of companion cells in angiosperms?

biology

[ "Transport of water", "Support of sieve tube elements", "Loading and unloading of sugars", "Storage of starch" ]

C

In which animal is the malpighian tubule the chief excretory organ?

biology

[ "Leech", "Earthworm", "Cockroach", "Frog" ]

C

Which one of the following is the main photosynthetic tissue in a typical dicot leaf?

biology

[ "Spongy parenchyma", "Palisade parenchyma", "Epidermis", "Collenchyma" ]

B

Which one of the following pairs is correctly matched regarding the type of inflorescence and its example?

biology

[ "Racemose – Sunflower", "Cymose – Nerium", "Spike – Bougainvillea", "Umbel – Wheat" ]

B

In which animal does blood flow through the heart only once during one complete circuit of the body?

biology

[ "Frog", "Pigeon", "Shark", "Rabbit" ]

C

Which plant hormone is primarily responsible for promoting seed dormancy?

biology

[ "Auxin", "Gibberellin", "Abscisic acid", "Cytokinin" ]

C

In which phylum are flame cells primarily involved in excretion?

biology

[ "Annelida", "Platyhelminthes", "Arthropoda", "Mollusca" ]

B

Which of the following tissues is responsible for the movement of water and minerals from roots to leaves in angiosperms?

biology

[ "Phloem", "Collenchyma", "Xylem", "Sclerenchyma" ]

C

Which of the following is a distinguishing feature of mammals among vertebrates?

biology

[ "Presence of air sacs in lungs", "External fertilization", "Hair on body", "Cloaca for excretion" ]

C

In cockroaches, the respiratory system opens to the outside through which of the following structures?

biology

[ "Tracheoles", "Spiracles", "Malpighian tubules", "Book lungs" ]

B

In which plant tissue are companion cells found closely associated with sieve tube elements?

biology

[ "Xylem", "Phloem", "Cambium", "Pericycle" ]

B

The hormone responsible for inducing metamorphosis in amphibians is

biology

[ "Cortisol", "Thyroxine", "Adrenaline", "Insulin" ]

B

In mammals, the primary function of the loop of Henle in the nephron is to

biology

[ "Filter blood plasma", "Concentrate urine", "Secrete hormones", "Reabsorb glucose" ]

B

Which one of the following is NOT a characteristic feature of dicot stems?

biology

[ "Vascular bundles are arranged in a ring", "Presence of cambium", "Closed vascular bundles", "Presence of hypodermis" ]

C

In which of the following plant families are zygomorphic flowers commonly found?

biology

[ "Fabaceae", "Poaceae", "Solanaceae", "Brassicaceae" ]

A

Which hormone is primarily responsible for stimulating milk ejection (let-down) in mammalian females?

biology

[ "Prolactin", "Oxytocin", "Vasopressin", "Estrogen" ]

B

Which of the following plant hormones is primarily responsible for the closing of stomata during water stress?

biology

[ "Auxin", "Ethylene", "Abscisic acid", "Gibberellin" ]

C

In mammals, the structure responsible for the production of cerebrospinal fluid is

biology

[ "Choroid plexus", "Pia mater", "Corpus callosum", "Medulla oblongata" ]

A

Which of the following is a C4 plant adapted for high photosynthetic efficiency in tropical climates?

biology

[ "Wheat", "Rice", "Maize", "Potato" ]

C

Which of the following plant hormones is primarily responsible for the ripening of fruits?

biology

[ "Auxin", "Gibberellin", "Ethylene", "Cytokinin" ]

C

Which one of the following plants exhibits phylloclade as its stem modification for photosynthesis?

biology

[ "Opuntia", "Potato", "Pea", "Onion" ]

A

Which hormone is primarily responsible for the molting process in arthropods?

biology

[ "Thyroxine", "Ecdysone", "Gibberellin", "Insulin" ]

B

Which of the following is a characteristic feature of mammals but not of birds?

biology

[ "Three-chambered heart", "External ears (pinnae)", "Warm-bloodedness", "Lungs with air sacs" ]

B

Which plant hormone is primarily responsible for promoting the elongation of stems?

biology

[ "Gibberellin", "Abscisic acid", "Ethylene", "Cytokinin" ]

A

In cockroaches, the respiratory system comprises of

biology

[ "Gills", "Book lungs", "Tracheae", "Lungs" ]

C

Which of the following cells in plants is responsible for the opening and closing of stomata?

biology

[ "Trichome cells", "Guard cells", "Companion cells", "Sieve tube cells" ]

B

In mammals, which part of the brain is primarily responsible for regulating body temperature?

biology

[ "Cerebellum", "Hypothalamus", "Medulla oblongata", "Cerebrum" ]

B

In mammals, which organ is primarily responsible for the production of urea?

biology

[ "Liver", "Kidney", "Pancreas", "Spleen" ]

A

In dicot stems, the cambium responsible for secondary growth originates from which tissue?

biology

[ "Pericycle", "Endodermis", "Medullary rays", "Vascular bundles" ]

D

Which one of the following organisms exhibits external fertilization?

biology

[ "Frog", "Hen", "Rabbit", "Dog" ]

A

In which phylum does the body cavity (coelom) arise between the mesoderm and endoderm?

biology

[ "Annelida", "Aschelminthes", "Arthropoda", "Echinodermata" ]

B

Which of the following hormones is primarily responsible for the metamorphosis of tadpoles into adult frogs?

biology

[ "Insulin", "Thyroxine", "Cortisol", "Aldosterone" ]

B

Which of the following plant hormones is primarily responsible for promoting the elongation of stems?

biology

[ "Gibberellin", "Abscisic acid", "Ethylene", "Cytokinin" ]

A

In mammals, the renal corpuscle is composed of which two structures?

biology

[ "Loop of Henle and collecting duct", "Bowman’s capsule and glomerulus", "Proximal tubule and distal tubule", "Ureter and urinary bladder" ]

B

In cockroach, the Malpighian tubules are primarily involved in

biology

[ "Respiration", "Digestion", "Excretion", "Reproduction" ]

C

In which group of animals does respiration occur through book lungs?

biology

[ "Insects", "Crustaceans", "Arachnids", "Annelids" ]

C

Which of the following is a characteristic feature of dicot stem in T.S. (transverse section)?

biology

[ "Scattered vascular bundles", "Closed vascular bundles", "Vascular bundles arranged in a ring", "Absence of cambium" ]

C

Which of the following is not a function of the liver in mammals?

biology

[ "Bile production", "Urea synthesis", "Detoxification", "Insulin secretion" ]

D

Which hormone is primarily responsible for stimulating the development of secondary sexual characteristics in males?

biology

[ "Progesterone", "Estrogen", "Testosterone", "Oxytocin" ]

C

In a typical mammalian nephron, where does maximum reabsorption of glomerular filtrate occur?

biology

[ "Distal convoluted tubule", "Collecting duct", "Proximal convoluted tubule", "Loop of Henle" ]

C

Which phylum is characterized by the presence of a water vascular system used for locomotion and feeding?

biology

[ "Cnidaria", "Echinodermata", "Annelida", "Arthropoda" ]

B

In which phase of mitosis do the sister chromatids separate and move towards opposite poles in a plant cell?

biology

[ "Prophase", "Metaphase", "Anaphase", "Telophase" ]

C

Which of the following is an example of a xerophyte that shows CAM (Crassulacean Acid Metabolism) photosynthesis?

biology

[ "Opuntia", "Hydrilla", "Pisum", "Oryza" ]

A

In cockroach, the nitrogenous waste is primarily excreted in the form of:

biology

[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]

C

Which one of the following is a characteristic feature of dicotyledonous roots, but not monocotyledonous roots?

biology

[ "Pith is large and well developed", "Secondary growth is absent", "Xylem is arranged in a ring", "Vascular bundles are usually tetrarch or pentarch" ]

D

In cockroach, which of the following structures is responsible for grinding the food?

biology

[ "Crop", "Gizzard", "Hepatic caeca", "Malpighian tubules" ]

B

In which animal is the flame cell a specialized excretory structure?

biology

[ "Earthworm", "Cockroach", "Planaria", "Frog" ]

C

Which one of the following is a characteristic feature of dicotyledonous stem but not monocotyledonous stem?

biology

[ "Vascular bundles are scattered", "Vascular bundles are closed", "Presence of cambium in vascular bundles", "Absence of cortex" ]

C

In cockroach, malpighian tubules are primarily responsible for the elimination of which of the following?

biology

[ "Excess salts", "Uric acid", "Carbon dioxide", "Ammonia" ]

B

In mammals, the portion of the nephron where maximum reabsorption of glucose occurs is the

biology

[ "Distal convoluted tubule", "Proximal convoluted tubule", "Loop of Henle", "Collecting duct" ]

B

Which of the following cells in human blood is responsible for antibody production?

biology

[ "Neutrophil", "Basophil", "B lymphocyte", "Erythrocyte" ]

C

In which part of the leaf does the maximum photosynthetic activity occur?

biology

[ "Upper epidermis", "Palisade parenchyma", "Spongy parenchyma", "Lower epidermis" ]

B

Which of the following is the primary function of companion cells in phloem tissue?

biology

[ "Transport of water", "Providing mechanical support", "Assisting sieve tube elements in translocation", "Storing starch" ]

C

Which type of inflorescence is characterized by the youngest flowers being at the base and older flowers towards the apex?

biology

[ "Racemose", "Cymose", "Capitulum", "Spadix" ]

A

In cockroach, which structure is responsible for the storage and maturation of sperms?

biology

[ "Seminal vesicle", "Testis", "Vas deferens", "Mushroom gland" ]

A

Which of the following is a C4 plant that exhibits Kranz anatomy?

biology

[ "Rice", "Sugarcane", "Wheat", "Bean" ]

B

The Malpighian tubules in insects are primarily responsible for which physiological process?

biology

[ "Digestion", "Excretion", "Respiration", "Reproduction" ]

B

Which structure in the frog’s heart prevents the mixing of oxygenated and deoxygenated blood?

biology

[ "Sinus venosus", "Truncus arteriosus", "Interatrial septum", "Spiral valve" ]

D

In which phylum do animals possess stinging cells called cnidocytes?

biology

[ "Porifera", "Annelida", "Cnidaria", "Platyhelminthes" ]

C

Which of the following is a characteristic feature of dicot stem in T.S.?

biology

[ "Scattered vascular bundles", "Open vascular bundles arranged in a ring", "Closed vascular bundles", "Absence of cambium" ]

B

In cockroach, which structure is responsible for the formation of ootheca?

biology

[ "Colleterial glands", "Malpighian tubules", "Hepatic caeca", "Salivary glands" ]

A

Which of the following cell organelles is responsible for photorespiration in plants?

biology

[ "Peroxisome", "Golgi apparatus", "Mitochondria", "Ribosome" ]

A

In cockroaches, the male reproductive organ responsible for sperm storage before transfer to the female is the

biology

[ "Seminal vesicle", "Vas deferens", "Mushroom gland", "Testis" ]

A

Which of the following is the main function of guard cells in plant leaves?

biology

[ "Absorption of water", "Regulation of gas exchange", "Transport of nutrients", "Photosynthesis" ]

B

Which part of the nephron is primarily responsible for the selective reabsorption of glucose from the filtrate?

biology

[ "Bowman’s capsule", "Proximal convoluted tubule", "Loop of Henle", "Distal convoluted tubule" ]

B

Which of the following cells in plants is mainly responsible for the transport of water and minerals?

biology

[ "Sieve tube elements", "Tracheids", "Companion cells", "Phloem fibers" ]

B

In mammals, which organ is primarily responsible for the filtration of nitrogenous wastes from the blood?

biology

[ "Liver", "Kidney", "Lungs", "Spleen" ]

B

Which one of the following is a characteristic feature of dicot stems but not monocot stems?

biology

[ "Vascular bundles are arranged in a ring", "Scattered vascular bundles", "Presence of bulliform cells", "Absence of cambium" ]

A

The malpighian tubules in insects primarily function in

biology

[ "Respiration", "Excretion", "Digestion", "Circulation" ]

B

In which group of plants would you find seeds but no flowers?

biology

[ "Bryophytes", "Gymnosperms", "Pteridophytes", "Angiosperms" ]

B

Which of the following is the functional unit of contractile tissue in mammals?

biology

[ "Sarcomere", "Neuron", "Osteon", "Nephron" ]

A

In cockroach, the respiratory system is made up of

biology

[ "Lungs", "Gills", "Spiracles and tracheae", "Book lungs" ]

C

Which one of the following is a C4 plant?

biology

[ "Wheat", "Rice", "Maize", "Pea" ]

C

Which of the following is the main water-conducting tissue in gymnosperms?

biology

[ "Vessels", "Tracheids", "Sieve tubes", "Companion cells" ]

B

Which of the following is a characteristic feature of dicotyledonous stem in T.S.?

biology

[ "Scattered vascular bundles", "Closed vascular bundles", "Vascular bundles arranged in a ring", "Absence of cambium" ]

C