question
stringlengths 34
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| answer
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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
|
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