Biology Worksheet With Answers Page 5
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1032. If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of
endosperm will be:
(a) haploid (b) triploid
(c) tetraploid (d) pentapIod
Ans. (d)
33. The cheapest source of high energy among fruit crop of India is:
(a) guava (b) apple
(c) banana (d) mango
Ans. (c)
34. In soil, water available for plants Is:
(a) capillary water
(b) hygroscopic water
(c) gravitational water
(d) chemically bound water
Ans. (a)
35. Brown algae is characterised by the presence of:
(a) phycocyanin (b) phycoerythiin
(c) fucoxanthin (d) haematochrome
Ans. (c)
36. Biofertilizers are:
(a) cow dung manure and farmyard waste
(b) quick growing crop ploughed under soil
(c) Anabaena and Azolla
(d) none of these
Ans. (c)
37. Net gain of ATP molecules, during aerobic respiration, is:
(a) 30 molecules (b) 38 molecules
(c) 40 molecules (d) 48 molecules
Ans. (b)
38. The Nissl’s granules of nerves cell are made up of:
(a) ribosome (b) protein
(c) DNA (d) RNA
Ans. (a)
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