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Q151. Kidney secretes an enzyme, which changes plasma protein angiotensinogen into angiotensin. The enzyme is-
- ARenin
- BNitrogenase
- CHydrolase
- DMono-oxygenase
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Answer: A) Renin
Q152. Urine of mammal contain excretory product-
- AUric acid
- BAmmonia
- CUrea
- DAll
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Answer: C) Urea
Q153. Fertilization in frog is-
- AExternal
- BInternal
- CBoth external and internal
- DNone of these
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Answer: A) External
Q154. Honey bee and wasp grouped under class-
- AInsecta
- BCrustacea
- CDiplopoda
- DArachina
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Answer: A) Insecta
Q155. Grass hopper is a-
- ABird
- BDisease
- CChemical
- DInsects
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Answer: D) Insects
Q156. Mammal who have capacity to distinguished the colour-
- AMan & dog
- BMan, Dog and Monkey
- CAll Mammal
- DMan & Monkey
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Answer: C) All Mammal
Q157. A chemical substance secreted by particular species of animal to attract another member of same species is-
- AHarmone
- BNucleic acid
- CPheromones
- DSteroid
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Answer: C) Pheromones
Q158. Dinosaurs was-
- AMammal who became extinct
- BLarge harbivorus animal
- COviparous mammal
- DReptile who became extinct
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Answer: D) Reptile who became extinct
Q159. Substance found in blood which help in cloting-
- AFibrinogen
- BHeparin
- CThrombin
- DGlobine
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Answer: A) Fibrinogen
Q160. Mammoth is ancestor of-
- ADog
- BHorse
- CCamel
- DElephant
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Answer: D) Elephant
Q161. Pheromones is found in-
- AInsect
- BSnake
- CBirds
- DBat
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Answer: A) Insect
Q162. Which of the following primates is nearest to modern man ?
- AGorilla
- BCubon
- CLoris
- DNone of these
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Answer: A) Gorilla
Q163. Largest Indian fish is-
- AStone fish
- BWhale shark
- CHilsa
- DNone of these
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Answer: B) Whale shark
Q164. Which of the following is not an insects ?
- ABed bug
- BSpider
- CHouse fly
- DMosquito
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Answer: B) Spider
Q165. Generally insects respire through-
- ASkin
- BGill
- CLung
- DSpiricle
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Answer: D) Spiricle
Q166. Among the following, which one lays eggs and does not produce young ones directly ?
- AEchidna
- BKangaroo
- CPorcupine
- DWhale
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Answer: A) Echidna
Q167. Among the following, which one is not an ape ?
- AGibbon
- BGorilla
- CLangur
- DOrangutan
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Answer: C) Langur
Q168. In the context of Indian wild life, the flying fox is a-
- ABat
- BKite
- CStork
- DVulture
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Answer: A) Bat
Q169. For which one of the following snakes is the diet mainly composed of their snakes ?
- ALrait
- BRussel's viper
- CRattle snake
- DKing cobra
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Answer: D) King cobra
Q170. In which one of the following kind of organisms is the phenomenon found where in the female kills the male after copulation ?
- ADragonfly
- BHoney bee
- CSpider
- DPit viper
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Answer: C) Spider
Q171. The marine animal called dugong which is vulnerable to extinction is a/an-
- ASmphibian
- BBony fish
- CShark
- DMammal
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Answer: D) Mammal
Q172. The release of which one of the following into and wells helps in controlling the mosquitoes ?
- ACrab
- BDogfish
- CGambusia fish
- DSnail
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Answer: C) Gambusia fish
Q173. Which one of following belong to the family in which Panda belong ?
- ABear
- BCat
- CDog
- DRabbit
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Answer: A) Bear
Q174. Which of the following is monogamous ?
- AWolf
- BWalrus
- CSeal
- DDeer
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Answer: A) Wolf
Q175. Which one of the following statement is not correct ?
- AAll echinoderms are viviparous
- BRoundworm has no circulatory system
- CIn boney fishes, swim bladder is usually present
- DIn cartilaginous fishes, fertilization is internal
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Answer: A) All echinoderms are viviparous