Question

38. Read the following statement
and select the correct option.
Statement A: The Chloragogen
cells synthesize urea
and
chloragogues in earthworms.
Statement B : The Chloragogen
cells are analogous to vertebrate
liver.
(a) Both statements are
correct.
(b) Both statements are
incorrect.
c) Only statement A is
correct.
d) Only statement
B is correct.

41. During conjugation in
Paramecium -
(a) Zygote nucleus undergoes
eight successive division in
each conjugant.
(b) Out of the 12 macronuclei
formed, 4 nuclei degenerate.
(C) Out of 4 micronuclei
formed, 3 nuclei degenerate
(d) Out of 16 nuclei formed
from the zygote nucleus 12
becomes macronuclei and
4 becomes micronuclei.

42. Correct sequence of larval
stages during development of
Fasciola is -
(a) Miracidium, Redia,
Sporocyst and metacercaria.
(b) Cercaria, Miracidium,
Sporocyst and metacercaria.
(c) Miracidium, Sporocyst,
Redia, Cercaria and
metacercaria.
(d) Redia, metacercaria,
Sporocyst, miracidium and
cercaria.

39. The axolotl larva of Ambystoma
tigrina exhibit the phenomenon
of neotony and pedogenesis
because of
(a) absence of Mght in water
(b) absence of Caht in water
(c) lack of iodine in water
(d) lack of Mght and Iodine in
water
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Answer 1

Answer:

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