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171.

The marine animal called dugong which is vulnerable to extinction is a/an
(a)Amphibian
(b)Bony fish
(c)Shark
(d)Mammal
Comment
Answer is: DNA

172.

The release of which one of the following into and wells helps in controlling the mosquitoes?
(a)Crab
(b)Dogfish
(c)Gambusia fish
(d)Snail
Comment
Answer is: CNA

173.

For which one of the following snakes is the diet mainly composed of their snakes?
(a)Krait
(b)Russels viper
(c)Rattle snake
(d)King cobra
Comment
Answer is: DNA

174.

Which one among the following animals is without the bone marrow?
(a)Frogs
(b)Fishes
(c)Lizards
(d)Birds
Comment
Answer is: DNA

175.

In which one of the following king of organisms is the phenomenon found where in the female kills the male after copulation?
(a)Dragonfly
(b)Honey bee
(c)Spider
(d)Pit viper
Comment
Answer is: CNA

176.

Which of the following is not an insect?
(a)Bed bug
(b)Spider
(c)House fly
(d)Mosquito
Comment
Answer is: BNA

177.

Generally insects respire through
(a)Skin
(b)Gill
(c)Lung
(d)Spiracle
Comment
Answer is: DNA

178.

A chemical substance secreted by particular species of animals to attract another member of same species is
(a)Hormone
(b)Nucleic acid
(c)Pheromones
(d)Steroid
Comment
Answer is: CNA

179.

Which of the following is not a mammal?
(a)Fishes
(b)Bat
(c)Whale
(d)Man
Comment
Answer is: ANA

180.

Dolphins are classified under
(a)Pisces
(b)Amphibian
(c)Reptiles
(d)Mammal
Comment
Answer is: DNA

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