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Biology 9 Chapter 9 - Test 2
Marsupials give birth to under developed babies.
Gestation period in elephants is 30 to 36 days.
Heterodonts are animals that have different type of teeth.
Different kinds of animals present in a particular region are known as fauna.
There are many species of terrestrial fish.
Notochord is located:
a) Dorsal to alimentary canal and ventral to central nervous system.
b) Ventral to alimentary cannal and dorsal to central nerveous system.
c) Dorsal to alimentary canal and central nervous system
d) Ventral to alimentary canal and central nervous system
Function of gills is to:
a) a. Take in oxygen
b) d. a & b only
c) b. Give out carbon dioxide
d) c. Takes in food
Skin of toad is:
a) Moist having scales
b) Moist & rough
c) Moist & Slimy
d) Dry & smooth
Following is the group of cold blooded animals:
a) Reptile, fishes, amphibians
b) Reptile, fishes, birds
c) Fishes, amphibians, birds
d) Fishes, amphibians, mammals
Reptiles lay eggs with:
a) Leathery shell of connective tissues
b) Tough outer shell of calcium sulphate
c) Tough outer shell of calcium carbonate
d) Tough outer shell of chitin
The scales in reptiles originate from;
Frog�s eyes have a transparent membrane protective in nature called:
a) Nictitating membrane
b) Tympanic membrane
d) Stretched membrane
Which one is not correct for birds:
a) They have high blood pressure and higher metabolic rate.
b) Nervous system is not very well developed.
c) They are able to digest high caloric food.
d) They have feathers and hollow bones.
Carinatae bird has:
a) Keel present on sternum
b) Can run upto 70 Km/hr.
c) Weak pectoral muscles.
d) Flattened sternum
Jacobson�s organs in snake are sensitive to:
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