Biology Fsc Part 1 Chapter 1 Online Test With Answers

Biology Fsc Part 1 Chapter 1 Online Test

Sr. # Questions Answers Choice
1 Mammals include group of vertebrates which are nourished by milk from............glands of mother. Mammary Prostate Endocrine Memory
2 the charactristics featur eshared by amphibians and repitiles, but notby the brids is. Ecothermy Amniotic eggs Two chambered heart Feathers
3 If a vertebrate animal has a dry scaly skin and lays leathery shelled eggs it most likely belongs to class. amphibia Aves Reptilia Mammallia
4 The adaptation in birds is a large bone, which amajor fight muscles, it is called.llows attachemnt of Keel Scapula Suprascapular Humans
5 Which one of the following is a running bird. Emu Crow Parrot Robin
6 The birds which have secondarily lost their power of flight are called. Running birds Flying birds Diving birds Predatory birds
7 In many birds there is a stroage structur ethat allows birds to quickly ingest large quantities of food it is. Gizzard Crop Syrinx Air sac
8 Which of the following is not a presnt day reptile Crocodiles Salamander Tuatra Snakes
9 Reptiles are different from amphibians in that repitles. Have gills throughout their life Lay anamniotic eggs Lay amniotic eggs Have four limbs
10 The feature absent in chondrichthyes but present in osteichthyes is. Dermal scales Cartilaginous endoskeleton  Paired fins Swim bladder
11 The evolution of three chambered heart in amphibians resulted in Complete separtion of oxygenated and deoxygenated blood double circuit circulation  Reducd efficacy of gaseous exchange  Both a and c
12 Which of the following does not belongs to amphibians Four chamberedheart External fertilization  Moist skin Metamorphosis
13 The evolution of amniotic eggs was important for vertebrates becasue is. allowed for external fertilization  Enables colonization of terrestial habitats Reduced dependence on gills ofr respiraton  Is required for predation 
14 Which of the following is no a bony fish  Ray fish Trout Rohu Seahorse
15 The swim bladder in bony fishes is used for  Excretion  Digestion  Buoyancy Predation 
16 Sharks are differrent from other class of fishes because they Posses internal fertilization  Possess external fertilization  Possess swim bladder Lack placoid scales
17 Which class of fishes do not have jaws and possesss cartilaginous endoskeleton. Cyclostomata Chondrichthyes Osteichthyes Both b and c
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