Biology chapter 16
TEST # 2 CHAPTER # 16 BIOLOGY
1) Earliest terrestrial vertebrates were
a. Fishes b. Amphibians c. Reptiles d. Mammals
2) Which of the following is not a bone of cranium?
a. Temporal b. Occipital c. Frontal d. Lacrimal
3) The first digit is usually reduced in:
a. Plantigrade b. Digitigrade c. Unguligrade d. None of these
4) Pterodactyls refer to:
a. Pisces b. Amphibians c. Reptiles d. Aves
5) Swim bladder is found in members of:
a. Cyclostomata b. Chondrichthyes c. Osteichthyes d. Pisces
6) Number of muscles in human body are:
a. 450 b. 550 c. 750 d. 650
7) Muscle fatigue is caused due to the accumulation of:
a. Pyrovic acid b. Lactic acid c. Butyric acid d. Oxaloacetic acid
8) Rigor mortis appears due to:
a. Non availability of oxygen b. Non availability of ATP
c. Rapid hydrolysis of ATP d. Non removal of CO2
9) At rest the binding site on Actin filament is covered by:
a. Myosin b. Actin c. Troponin d. Tropomyosin
10) Irregular stripes are observed in:
a. Smooth muscles b. Skeletal muscles
c. Cardiac muscles d. Sphincter muscle
11) Rickets is due to the deficiency of:
a. Magnesium b. Phosphorus c. Calcium d. Iron
12) Recovery from ---------------- injury is usually slow and incomplete:
a. Sciatica b. Spondylosis c. Herniation d. None
13) The majority of muscles tissue in human body are ---------- muscles.
a. Smooth b. Skeletal c. Cardiac d. Any of these
14) The body of earthworm is contracted by the action of:
a. Circular muscles b. Longitudinal muscles
c. Both a & b d. None
15) Triceps brachi is inserted into:
a. Humerus b. Radius c. Ulna d. All
16) Which of the following mammals are not digitigrade
a. Rabbits b. Rodents c. Apes d. None of these
17) Which of the following fishes are the ancestors of four-legged animals?
a. Jawless fishes b. Lobe finned fishes c. Both a & b d. None of these
18) In case of grasshopper, exoskeleton is composed of:
a. Chitin b. Collagen c. Keratin d. None of these
19) Which of the following bones is not present in hind –limb
a. Femur b. Tibia c. Radius d. All of these
20) What is the name of first vertebra of man?
a. Axis b. Radius c. Atlas d. Ulna
21) Which of the following bones are present in pectoral girdle?
a. Clavicle b. Scapula c. Both a & b d. None of these
22) Which is not correct as skeletal muscles?
a. Brachialis b. Brachioradialis
c. Intercostal muscle d. Sphinter muscle
23) Exposure of skin to sunlight can cure:
a. Osteomalacia b. Rickets c. Osteoporosis d. Osteoarthritis
24) Deformed pelvis is the characteristic of:
a. Rickets b. Spondylosis c. Sciatica d. Arthritis
25) The joints which fix teeth in the jaw are:
a. Fibrous joints b. Cartilaginous joints
c. Synovial joints d. Hinge joints
26) The bones at the joint are held together by:
a. Tendon b. Ligament c. Fibrous capsule d. Any of them
27) The fins which provide stability to fish are:
a. Pectoral b. Caudal c. Dorsal & Ventral d. All
28) The general form of reptilian skeleton is based on one inherited from ancient:
a. Fishes b. Amphibians c. Archaeopteryx d. All
29) The tetrapod limb is primitively
a. Pentadactyle b. Tetradactyle c. Pterodactyls d. All
30) In Euglena, locomotory filament is at the ------------------ end.
a. Anterior b. Posterior c. Lateral d. None
31) Flight has evolved in -------------- type of vertebrates
a. Two b. Three c. Four d. Five
32) The cells which support the body of baby plants are:
a. Parenchymatous b. Sclerenchymatous
c. Collenchymatous d. mesenchymatous
33) They have protoplasts and usually lack secondary walls.
a. Tracheids b. Collenchyma c. Trachea d. Sclerides
34) ____________ unites the branches during budding & grafting.
a. Callus b. Wood Tissue c. Both a & b d. Sap Wood
35) The attachment site for muscles is provided by:
a. Spongy bones b. Compact bones c. Collagen fibres d. All
36) Which of the following ions are involved in triggering the muscle contraction?
a. Mg++ ++ ++ +
b. Ca c. Na d. K
37) Which of the following is extensor muscle at the elbow joint?
a. Triceps brachi b. Biceps brachi c. Both “a” & “b” d. Brachioradialis
38) Which of the following name can be given to knee joint?
a. Ball and socket joint b. Hinge joint c. None of these d. All of these
39) Which of the following lifts ulna on contraction?
a. Biceps brachi b. Triceps brachi c. Brachioradialis d. Brachialis
40) Basic unit of Muscle is
a. Muscle bundle b. Muscle fibre c. Myofibril d. Myofilament
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