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Which of the following option is correct...

Which of the following option is correct for statement .X. and statement .Y.?
Statement .X. : In autogamous flower, the stigma and anthers of a flower ripe almost simultaneously.
Statement-.Y. : Autogamy is possible only in bisexual flower
(A) Statement-.X. and statement-.Y. both are correct and statement-.Y. is the reason for statement-.X.
(B) Statement-.X. and statement-.Y. are correct and statement -.Y. is not correct reason for statement-.X.
(C) statement-.X. is correct and statement-.Y. is wrong
(D) statement-.Y. is correct and statement-.X. is wrong

A

Statement-.X. and statement-.Y. both are correct and statement-.Y. is the reason for statement-.X.

B

Statement-.X. and statement-.Y. are correct and statemet -.Y. is not correct reason for statement-.X.

C

statement-.X. is correct and statement-.Y. is wrong

D

statement-.Y. is correct and statement-.X. is wrong

Text Solution

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The correct Answer is:
A
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KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. Autogamy is possible in (A) only monoecious flower (B) only in bise...

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  2. Autogamy is observed in members of…. (A) apiaceae (B) lamiaceae (...

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  3. Which of the following option is correct for statement .X. and stateme...

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  4. Sporogenous tissue gets its nourishment from layer of anther wall, whi...

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  5. 250 microsporocytes will give rise to ……. Microspores (A) 250 (B) 5...

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  6. What is the function of tapetum in a developing anther? (A) To draw f...

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  7. The number of microsporangia present in the anther is …..

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  8. The male gametes of angiosperms are…. (A) uniflagellate (B) biflage...

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  9. Male gametophyte of angiosperm is…. (A) anther lobe (B) pollen befo...

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  10. Which among the following is applicable to tapetum? (A) Protective la...

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  11. The chemical nature of the compound forming exine is…. (A) long chai...

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  12. Outermost layer of the pollen is formed from endothecium and is made u...

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  13. The first cell of female gametophyte is (A) megaspore (B) microspor...

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  14. Tetrasporic embryosac is one in which (A) four microspores form the e...

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  15. In angiosperm the resultant of secondary nucleus with male gamete has…...

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  16. Pick up correct statement for pollen tube (A) It is composed of three...

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  17. If the integuments are pierced by the pollen tube during fertilization...

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  18. The oospore derived from double fertilization in angiosperms is (A) h...

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  19. Ovule is comparable to (A) megasporangium (B) microsporangium (C)...

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  20. The endosperm of angiosperms is developed from (A) antipodals (B) z...

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