Biology Quiz
Q31. Which of the following is found in plant cells but not in animal cells
(a) Cell Wall
(b) Vacuoles
(c) Plasma layer
(d) Golgi complex
Answer: (a) Cell Wall
Q32. Modern hypothesis of "Origin of Life" was proposed by
(a) Pasteur
(b) Oparin and Haldane
(c) Spellanzeni
(d) Haeckel
Answer: (b) Oparin and Haldane
Q33. Cold blooded animals are known as
(a) Homiotherms
(b) Eurytherms
(c) Endotherms
(d) Poikilotherms
Answer: (d) Poikilotherms
Q34. Prokaryotic cell differs from eukaryotic cell in lacking
(a) DNA
(b) Nuclear membrane
(c) Cell organelles
(d) RNA
Answer: (b) Nuclear membrane
Q35. The teeth of shark is a modified _________ scale
(a) Ctenoid
(b) Cycloid
(c) Ganoid
(d) Placoid
Answer: (d) Placoid
Q36. Golgi complex is absent in
(a) Thyroid cells
(b) Mucous cells
(c) Hepatic cells
(d) Blue green algae
Answer: (d) Blue green algae
Q37. The type of placenta in ruminants is
(a) Haemochorial
(b) Epitheliochorial
(c) Endotheliochorial
(d) Haemoendotheliochorial
Answer: (c) Endotheliochorial
Q38. The type of placenta in ruminants is
(a) Haemochorial
(b) Epitheliochorial
(c) Endotheliochorial
(d) Haemoendotheliochorial
Answer: (c) Endotheliochorial
Q39. Cytokines are produced by
(a) Mast cells
(b) Phagocytes
(c) Basophils
(d) T-cells
Answer: (d) T-cells
Q40. The inactive form of an enzyme is
(a) Enterokinase
(b) Isozyme
(c) Zymogens
(d) Epimerase
Answer: (c) Zymogens
Q41. The skeleton secreting cells in poriferans are known as
(a) Scleroblasts
(b) Collenocytes
(c) Archaeocytes
(d) Pinacocytes
Answer: (a) Scleroblasts
Q42. Total number of chromosomes found in the people suffering from Klinefelter's syndrome are
(a) 44
(b) 46
(c) 47
(d) 48
Answer: (c) 47
Q43. Human Insulin consists of __________ amino residues
(a) 42
(b) 45
(c) 48
(d) 51
Answer: (d) 51
Q44. Urinary bladder is absent in
(a) Shark
(b) Teleost fish
(c) Lung fish
(d) Coelacanth
Answer: (a) Shark
Q45. Total number of air sacs in birds are
(a) 3
(b) 5
(c) 9
(d) 10
Answer: (c) 9
Practice Test Exam