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Which of the following tissues is responsible for secondary growth in dicot stems?
biology
[ "Intercalary meristem", "Lateral meristem", "Apical meristem", "Dermal tissue" ]
B
In cockroach, the respiratory system opens to the outside through
biology
[ "Book lungs", "Malpighian tubules", "Spiracles", "Tracheoles" ]
C
In dicot stems, the vascular bundles are described as
biology
[ "Closed and scattered", "Open and arranged in a ring", "Closed and arranged in a ring", "Open and scattered" ]
B
Which group of animals is characterized by the presence of a water vascular system?
biology
[ "Annelida", "Arthropoda", "Echinodermata", "Mollusca" ]
C
Which plant hormone is primarily responsible for the initiation of seed dormancy?
biology
[ "Gibberellin", "Abscisic acid", "Cytokinin", "Ethylene" ]
B
Which of the following is a characteristic feature of dicot stems but not monocot stems?
biology
[ "Vascular bundles are scattered", "Presence of cambium", "Closed vascular bundles", "Absence of pith" ]
B
In a frog's heart, the structure that prevents the mixing of oxygenated and deoxygenated blood is the
biology
[ "Tricuspid valve", "Interatrial septum", "Spiral valve", "Semilunar valve" ]
C
Which of the following tissues is responsible for the secondary growth in dicot stems?
biology
[ "Vascular cambium", "Epidermis", "Palisade parenchyma", "Endodermis" ]
A
In cockroaches, the excretory organs are
biology
[ "Green glands", "Malpighian tubules", "Nephridia", "Flame cells" ]
B
Which plant hormone is primarily responsible for breaking seed dormancy and promoting germination?
biology
[ "Abscisic acid", "Gibberellin", "Ethylene", "Cytokinin" ]
B
In cockroaches, which structure is responsible for excretion of nitrogenous wastes?
biology
[ "Malpighian tubules", "Nephridia", "Green glands", "Flame cells" ]
A
The Casparian strip is found in which of the following plant tissues?
biology
[ "Endodermis of roots", "Cortex of stems", "Phloem of leaves", "Epidermis of flowers" ]
A
Which of the following animals exhibits external fertilization?
biology
[ "Frog", "Dog", "Cow", "Hen" ]
A
Which of the following tissues is responsible for the increase in the girth of dicot stems?
biology
[ "Cork cambium", "Vascular cambium", "Epidermis", "Phloem" ]
B
Which of the following structures is present in the heart of all vertebrates?
biology
[ "Tricuspid valve", "Vena cava", "Sinus venosus", "Pulmonary vein" ]
C
Which of the following is a characteristic feature of dicot stem but not of monocot stem?
biology
[ "Scattered vascular bundles", "Presence of cambium", "Closed vascular bundles", "Absence of secondary growth" ]
B
Which enzyme is secreted by the gastric glands of the stomach in infants to help in the digestion of milk protein?
biology
[ "Pepsin", "Rennin", "Trypsin", "Amylase" ]
B
Which type of placentation is found in the ovary of Dianthus?
biology
[ "Axile", "Marginal", "Basal", "Free central" ]
D
In which of the following animals is the heart two-chambered?
biology
[ "Frog", "Lizard", "Shark", "Pigeon" ]
C
Which type of inflorescence is characterized by the youngest flowers at the base and oldest at the apex?
biology
[ "Cymose", "Racemose", "Capitulum", "Umbel" ]
B
In cockroaches, the excretion of nitrogenous wastes occurs mainly through
biology
[ "Green glands", "Nephridia", "Malpighian tubules", "Flame cells" ]
C
Which plant hormone is primarily responsible for the closing of stomata during water stress?
biology
[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]
C
Which of the following is a characteristic feature of dicot stem but not monocot stem in T.S.?
biology
[ "Scattered vascular bundles", "Presence of cambium", "Closed vascular bundles", "Absence of cortex" ]
B
In honey bees, the phenomenon where unfertilized eggs develop into males is called
biology
[ "Parthenogenesis", "Polyembryony", "Apomixis", "Metamorphosis" ]
A
In which group of plants is the sporophyte completely dependent on the gametophyte for nutrition?
biology
[ "Bryophytes", "Gymnosperms", "Pteridophytes", "Angiosperms" ]
A
Which of the following is a characteristic feature of mammals?
biology
[ "Three-chambered heart", "External fertilization", "Presence of diaphragm", "Scaly skin" ]
C
Which of the following is a function of companion cells in phloem tissue?
biology
[ "Synthesize lignin for vessel walls", "Assist sieve tube elements in translocation", "Provide mechanical support", "Store starch granules" ]
B
Which of the following animals exhibits a closed circulatory system?
biology
[ "Earthworm", "Cockroach", "Prawn", "Housefly" ]
A
Casparian strips are present in the
biology
[ "Endodermis of roots", "Cortex of stems", "Pericycle of roots", "Epidermis of leaves" ]
A
Which one of the following animals exhibits external fertilization?
biology
[ "Frog", "Dog", "Cow", "Parrot" ]
A
Which group of plants is characterized by the presence of sieve tubes and companion cells in their phloem?
biology
[ "Bryophytes", "Pteridophytes", "Gymnosperms", "Angiosperms" ]
D
The structure in cockroach that stores sperm received from the male during copulation is called
biology
[ "Seminal vesicle", "Spermatheca", "Ootheca", "Testis sac" ]
B
Which of the following tissues in plants is responsible for the movement of water and minerals from roots to leaves?
biology
[ "Phloem", "Xylem", "Cork", "Collenchyma" ]
B
In cockroach, the respiratory system consists of
biology
[ "Gills", "Book lungs", "Tracheae", "Lungs" ]
C
Which of the following plant hormones is primarily responsible for inducing dormancy in seeds and buds?
biology
[ "Auxin", "Gibberellin", "Abscisic acid", "Cytokinin" ]
C
In which group of animals is a four-chambered heart a characteristic feature?
biology
[ "Amphibians", "Reptiles", "Aves", "Amphioxus" ]
C
Which of the following is a characteristic feature of dicot stem in transverse section?
biology
[ "Scattered vascular bundles", "Vascular bundles arranged in a ring", "Presence of bulliform cells", "Closed vascular bundles" ]
B
The Malpighian tubules in cockroaches are primarily involved in
biology
[ "Digestion of food", "Excretion of nitrogenous wastes", "Respiration", "Production of silk" ]
B
Which of the following tissues in angiosperms is responsible for the transport of organic nutrients primarily?
biology
[ "Xylem", "Phloem", "Collenchyma", "Sclerenchyma" ]
B
In frogs, the organ that acts as a sound-producing structure is the
biology
[ "Nictitating membrane", "Tympanum", "Vocal sac", "Cloaca" ]
C
Which of the following is a feature unique to monocot stems when compared to dicot stems?
biology
[ "Presence of vascular bundles in a ring", "Vascular bundles are closed and scattered", "Secondary growth is common", "Presence of cambium between xylem and phloem" ]
B
In which group of animals does the notochord persist throughout life?
biology
[ "Pisces", "Cyclostomata", "Urochordata", "Cephalochordata" ]
D
Which of the following tissues is responsible for the increase in girth of dicot stems?
biology
[ "Apical meristem", "Intercalary meristem", "Cork cambium", "Vascular cambium" ]
D
In mammals, which part of the nephron is primarily responsible for selective reabsorption of glucose?
biology
[ "Distal convoluted tubule", "Loop of Henle", "Proximal convoluted tubule", "Collecting duct" ]
C
In which of the following plant groups is the sporophyte completely dependent on the gametophyte for nutrition?
biology
[ "Bryophyta", "Pteridophyta", "Gymnosperms", "Angiosperms" ]
A
Which structure in a cockroach is primarily responsible for respiration?
biology
[ "Malpighian tubules", "Tracheae", "Book lungs", "Nephridia" ]
B
Which of the following is a characteristic feature of mammals but not present in other vertebrates?
biology
[ "Presence of a four-chambered heart", "External fertilization", "Mammary glands", "Scales on the body" ]
C
In dicot stems, the vascular cambium is mainly formed by the activity of
biology
[ "Pericycle cells", "Medullary ray cells and intrafascicular cambium", "Pith cells", "Endodermal cells" ]
B
Which of the following is the excretory organ in cockroach?
biology
[ "Nephridia", "Malpighian tubules", "Green glands", "Flame cells" ]
B
In cockroaches, the respiratory system consists of
biology
[ "Gills", "Book lungs", "Tracheae", "Parapodia" ]
C
Which of the following is a distinguishing feature of dicot stems when compared to monocot stems?
biology
[ "Presence of scattered vascular bundles", "Absence of cambium", "Vascular bundles arranged in a ring", "Closed vascular bundles" ]
C
The primary function of Malpighian tubules in insects is
biology
[ "Respiration", "Excretion", "Digestion", "Reproduction" ]
B
Which of the following is a C4 plant?
biology
[ "Rice", "Wheat", "Maize", "Pea" ]
C
Which hormone is responsible for the metamorphosis of tadpoles into adult frogs?
biology
[ "Thyroxine", "Adrenaline", "Insulin", "Glucagon" ]
A
Which of the following is an example of a parthenocarpic fruit?
biology
[ "Apple", "Banana", "Mango", "Pomegranate" ]
B
In cockroaches, the respiratory system opens to the outside through
biology
[ "Nephridia", "Malpighian tubules", "Spiracles", "Book lungs" ]
C
In which of the following plant families is the fruit typically a legume?
biology
[ "Solanaceae", "Fabaceae", "Poaceae", "Liliaceae" ]
B
Which of the following is a connecting link between annelids and arthropods?
biology
[ "Peripatus", "Limulus", "Nereis", "Palaemon" ]
A
Which of the following is an example of a non-endospermic seed?
biology
[ "Wheat", "Castor", "Bean", "Maize" ]
C
In which animal is the respiratory pigment dissolved directly in plasma and not contained within blood cells?
biology
[ "Frog", "Human", "Cockroach", "Pigeon" ]
C
Which of the following pairs is correctly matched with respect to their mode of nutrition?
biology
[ "Paramecium – Holozoic", "Agaricus – Autotrophic", "Ulothrix – Saprophytic", "Cuscuta – Insectivorous" ]
A
The excretory organ in earthworm is
biology
[ "Malpighian tubules", "Green glands", "Nephridia", "Flame cells" ]
C
In dicot stems, the vascular bundles are
biology
[ "Scattered in the ground tissue", "Arranged in a ring", "Located only in the pith", "Absent" ]
B
Which animal exhibits metamorphosis during its life cycle?
biology
[ "Earthworm", "Frog", "Pigeon", "Rabbit" ]
B
The primary nitrogenous waste excreted by adult amphibians is
biology
[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]
B
Which of the following animal tissues is responsible for the transport of oxygen in vertebrates?
biology
[ "Nervous tissue", "Muscular tissue", "Connective tissue", "Epithelial tissue" ]
C
Which plant hormone is primarily responsible for the dormancy of seeds and buds?
biology
[ "Gibberellin", "Auxin", "Abscisic acid", "Cytokinin" ]
C
Which of the following plants exhibits anomalous secondary growth?
biology
[ "Wheat", "Sunflower", "Dracaena", "Pea" ]
C
In cockroach, the respiratory system opens to the exterior through
biology
[ "Malpighian tubules", "Spiracles", "Book lungs", "Tracheoles" ]
B
Which one of the following characteristics is typical of dicotyledonous leaves but not monocotyledonous leaves?
biology
[ "Parallel venation", "Presence of bulliform cells", "Reticulate venation", "Sheathing leaf base" ]
C
The major nitrogenous waste product in the excreta of reptiles is
biology
[ "Ammonia", "Urea", "Uric acid", "Creatinine" ]
C
In cockroach, the respiratory system is composed of
biology
[ "Book lungs", "Tracheae", "Gills", "Lungs" ]
B
In which plant tissue are companion cells typically associated?
biology
[ "Xylem", "Phloem", "Cork", "Collenchyma" ]
B
Which of the following structures is not a part of the human male reproductive system?
biology
[ "Seminal vesicle", "Epididymis", "Fimbriae", "Vas deferens" ]
C
Which one of the following is a characteristic feature of dicotyledonous stems but not monocotyledonous stems?
biology
[ "Vascular bundles are scattered", "Presence of cambium between xylem and phloem", "Absence of cortex", "Closed vascular bundles" ]
B
In cockroach, the respiratory system opens to the exterior by
biology
[ "Malpighian tubules", "Spiracles", "Nephridia", "Book lungs" ]
B
Which of the following is NOT a function of the tapetum in angiosperm anthers?
biology
[ "Providing nourishment to developing microspores", "Formation of pollen wall components", "Supporting meiosis in microspore mother cells", "Secretion of enzymes for pollen release" ]
C
In cockroaches, the malpighian tubules are primarily involved in
biology
[ "Respiration", "Excretion", "Digestion", "Circulation" ]
B
Which of the following hormones is mainly responsible for the growth of lateral buds in plants?
biology
[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]
B
In mammals, the structure responsible for oxygenated blood supply to the fetus is the
biology
[ "Amniotic sac", "Placenta", "Allantois", "Yolk sac" ]
B
In which of the following phyla is the body typically divided into a head, thorax, and abdomen?
biology
[ "Mollusca", "Annelida", "Arthropoda", "Echinodermata" ]
C
Which plant hormone is primarily responsible for inducing dormancy in seeds and buds?
biology
[ "Gibberellin", "Cytokinin", "Abscisic acid", "Ethylene" ]
C
Which one of the following plant hormones is primarily responsible for inducing seed dormancy?
biology
[ "Gibberellin", "Abscisic acid", "Auxin", "Ethylene" ]
B
Which plant hormone is primarily responsible for promoting seed dormancy and inhibiting germination?
biology
[ "Auxin", "Gibberellin", "Abscisic acid", "Cytokinin" ]
C
Which structure in mammals is responsible for the production of cerebrospinal fluid?
biology
[ "Corpus callosum", "Choroid plexus", "Pineal gland", "Hypothalamus" ]
B
Which of the following plants exhibits phylloclade as its main photosynthetic organ?
biology
[ "Opuntia", "Pisum", "Solanum", "Zea" ]
A
In which animal is the respiratory pigment dissolved directly in plasma, rather than being contained within cells?
biology
[ "Frog", "Cockroach", "Rabbit", "Pigeon" ]
B
Which of the following is a characteristic feature of dicot stem but not monocot stem?
biology
[ "Scattered vascular bundles", "Presence of cambium", "Closed vascular bundles", "Large pith" ]
B
Which of the following is a feature characteristic of dicotyledonous stem but not monocotyledonous stem?
biology
[ "Vascular bundles are scattered", "Vascular bundles are closed", "Presence of cambium between xylem and phloem", "Absence of secondary growth" ]
C
The hormone responsible for the ripening of fruits in plants is
biology
[ "Auxin", "Ethylene", "Gibberellin", "Cytokinin" ]
B
Which of the following is an example of a phloem mobile mineral in plants?
biology
[ "Calcium", "Sulphur", "Boron", "Potassium" ]
D
Which of the following is an example of a gymnosperm with pinnately compound leaves?
biology
[ "Cycas", "Pinus", "Cedrus", "Ginkgo" ]
A
In which animal does blood flow through the heart only once during each complete circuit of the body?
biology
[ "Frog", "Lizard", "Shark", "Pigeon" ]
C
Which of the following is a characteristic feature of dicotyledonous leaves?
biology
[ "Parallel venation", "Reticulate venation", "Presence of bulliform cells", "Closed vascular bundles" ]
B
The hormone responsible for the metamorphosis of tadpoles into adult frogs is
biology
[ "Insulin", "Thyroxine", "Adrenaline", "Testosterone" ]
B
Which of the following is a feature unique to dicot stems when compared to monocot stems?
biology
[ "Presence of scattered vascular bundles", "Closed vascular bundles", "Vascular cambium present between xylem and phloem", "Absence of cortex" ]
C
Which hormone is primarily responsible for the ripening of fruits in plants?
biology
[ "Ethylene", "Cytokinin", "Gibberellin", "Abscisic acid" ]
A
Which of the following plant hormones is primarily responsible for the promotion of cell elongation in stems?
biology
[ "Gibberellin", "Ethylene", "Abscisic acid", "Cytokinin" ]
A
Which structure in the mammalian nephron is mainly responsible for filtration of blood?
biology
[ "Loop of Henle", "Bowman’s capsule", "Collecting duct", "Distal convoluted tubule" ]
B
Which of the following is the main nitrogenous waste excreted by birds?
biology
[ "Urea", "Uric acid", "Ammonia", "Creatinine" ]
B