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In plants, ma...

Question

In plants, maximum number of chromosomes (2n = 1262) are found in

A

Ophioglossum reticulatum

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B

Haplopappus gracilis

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C

Saccharum officinarum

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D

none of the above

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Solution

The correct option is A
Ophioglossum reticulatum

This is commonly called as Adder’s Tongue fern

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Similar questions

Q. Arrange the following in descending order.

(A) A number of bivalents formed during meiosis of a spore mother cell of Ophioglossum.
(B) Number of chromatics seen on equatorial at metaphase I in pollen mother cell of Haplopappus gracilis during meiosis.
(C) Number of chromosomes found at one pole after anaphase II during meiosis in butterfly (Agrodiaetus sps)
(D) The total number of chromosomes found in all daughter cells formed during meiosis from one megaspore mother cell in white potato.

Q. Arrange the following in descending order

a) Number of bivalents formed during meiosis of a spore mother of Ophioglossum.

b) The number of chromatids seen on the equator at metaphase X in pollen mother cell of Haplopappus gracilis during meiosis.

c) The number of chromosomes found at one pole after anaphase II during meiosis in the butterfly.

d) The total number of chromosomes found in all daughter cells formed during meiosis from one megaspore mother cell in Potato.

Q. Maximum number of chromosomes is found in

2 n = 12

chromosomes while plant B has

2 n = 16

chromosome. An allotetraploid is raised from them. What is its chromosome number?

Q. Plant A is having chromosome no. 2n = 12 and B having 2n = 16. Both are crossed to form allotetraploid C. What is the chromosome number of C?

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