Biology Worksheet With Answers Page 7
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10(a) B-cells (b) T-cells
(c) Macrophage (d) Erythrocytes
Ans. (b)
48. In man yellow colour of faeces is due to:
(a) pigments produced by the breakdown of haemoglobin
(b) undigested fat which is yellow coloured
(c) bile juice
(d) pancreatic juice
Ans. (a)
49. Which of the following is not a function of e ryt h rocyte?
(a) Oxygen transport (b) CO
transport
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(c) Carriers of antigen (d) Phagocytosis
Ans. (d)
50. Relaxin hormone in mammals is secreted by:
(a) placenta (b) follicle
(c) ovary (d) testis
Ans. (c)
51. Motile sperms are absent in:
(a) Mitcor (b) Cycas
(c) Chlorella (d) Fitnaria
Ans. (b)
52. Lomasomes are present in:
(a) protozoan (b) fungi
(c) bacteria (d) virus
Ans. (b)
53. Tungro disease affects:
(a) wheat (b) barley
(c) rice (d) sorghum
Ans. (c)
54. Mycorrhizae is a good example of:
(a) symbiosis (b) commensalism
(c) protocooperation (d) competition
Ans. (a)
55. Imperfect fungi are known as:
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