Biology Fsc Part 1 Online Test With Answers

Biology Fsc Part 1 Online Test

Sr. # Questions Answers Choice
1 Which one of the following is a running bird. Emu Crow Parrot Robin
2 The birds which have secondarily lost their power of flight are called. Running birds Flying birds Diving birds Predatory birds
3 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
4 Which of the following is not a presnt day reptile Crocodiles Salamander Tuatra Snakes
5 Reptiles are different from amphibians in that repitles. Have gills throughout their life Lay anamniotic eggs Lay amniotic eggs Have four limbs
6 The feature absent in chondrichthyes but present in osteichthyes is. Dermal scales Cartilaginous endoskeleton  Paired fins Swim bladder
7 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
8 Which of the following does not belongs to amphibians Four chamberedheart External fertilization  Moist skin Metamorphosis
9 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 
10 Which of the following is no a bony fish  Ray fish Trout Rohu Seahorse
11 The swim bladder in bony fishes is used for  Excretion  Digestion  Buoyancy Predation 
12 Sharks are differrent from other class of fishes because they Posses internal fertilization  Possess external fertilization  Possess swim bladder Lack placoid scales
13 Which class of fishes do not have jaws and possesss cartilaginous endoskeleton. Cyclostomata Chondrichthyes Osteichthyes Both b and c
14 In urochordates the notochord is present In adult stage Only in larval stage Throughout life Lack in all stages
15 The tubular nere cord in chordates is present. Lateral walls of pharynx Dorsal to notochord Near the throat Ventral to reproductive system
16 Which of the followign is a common derived characteristic of all chordates at some stage of their life cycle. Post anal tail Amniotic egg Vertebral column Radial symmetry
17 The unique and distinguishing characteristics of arthropods is. Closed type of circulartoy system  Flame cells Joined appendages Radical symmetry
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