- (A) Ovule
- (B) Seed
- (C) Fruit
- (D) Cotyledon
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Which geological period in the age of earth is also known as the age of fish?
- (A) Devonian period
- (B) Silurian period
- (C) Cambrian period
- (D) Ordovician period
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Species that occur in different geographical regions separated by special barriers are?
- (A) Sympatric
- (B) Allopatric
- (C) Sibling
- (D) None of the above
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Identify true statement regarding green house effect.
- (A) Caused only by CO2, CFC, CH4 and NO2 gases
- (B) Caused by CO2
- (C) Caused by combination of different gases.
- (D) None of the above
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The vertebrate liver function in all of the regulatory processes except?
- (A) Detoxification of harmful substances.
- (B) Production of nitrogeneous wastes.
- (C) Maintenance of blood sugar concentration.
- (D) Osmoregulation by variable excretion of salts.
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Red data book provides data on?
- (A) Red colored fishes
- (B) Red flowered plant
- (C) List of plant and animals
- (D) Endanger plant and animals
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Radiation can cause?
- (A) Leukemia
- (B) Hemophilia
- (C) Bone Marrow disease
- (D) Cardiac disease
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These are well known for their high potential fecundity?
- (A) Turtles
- (B) Snakes
- (C) Fish
- (D) Frogs
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The most common respiratory pigment in molluscs and crustaceans is?
- (A) Hemerythrin
- (B) Hemoglobin
- (C) Hemocyanin
- (D) Chlorocurin