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The adaptation of Self-pollination is (...

The adaptation of Self-pollination is
(A) Dichogamy
(B) Self sterility
(C) cleistogamy
(D) herkogamy

A

Dichogamy

B

Self sterility

C

cleistogamy

D

herkogamy

Text Solution

Verified by Experts

The correct Answer is:
C
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Self pollination is prevented by (A) Dichogamy (B) self sterility (C) herkogamy (D) all the above

In bisexual flowers, stamen and carpel mature at different times, by what name is called? (A) Dichogamy (B) Self sterility (C) Herkogamy (D) Allogamy

The contrivances shown by jasmine flower for cross-pollination is (A) herkogamy (B) heterostyly (C) dicliny (D) dichogamy

In which one of the following pollination is autogamous? (A) Xenogamy (B) Chasmogamy (C) cleistogamy (D) Geitonogamy

Another term for cross-pollination is (A) allogamy (B) xenogamy (C) both above (D) autogamy

To avoid self-pollination and provide contrivance for cross pollination, the pollen grains of some flowers have no fertilizing effect on the stigma of the same flower but causes death. What is this condition called? (A) Homogamy (B) Dicliny (C) Self sterility (D) dichogamy

What is the type of pollination observed in viola and oxalis showing cleistogamy? (A) Self -Pollination (Autogamy) (B) Hydrophily (C) Zoophily (D) Geitonogamy

A dioecious flowering plant prevents both ….. (A) Self fertilisation or self pollination and cross pollination (B) Autogamy and Geitonogamy (C) Geitonogamy and Cross pollination (D) Cleistogamy and cross pollination

…….is favoured by protandry (A) Self pollination (B) Cross pollination (C) Autogamy (D) None of the above

Pollination which can occur in same plant is favoured by (A) herkogamy (B) cleistogamy (C) dichogamy (D) dicliny

KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. Autogamy can occur in a chasmogamous flower if (A) Pollen matures be...

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  2. Which plant is pollinated through wind?

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  3. The adaptation of Self-pollination is (A) Dichogamy (B) Self steril...

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  4. Synergids are of which type?

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  5. Embryo sac is found in (A) Embryo (B) seed (C) ovule (D) Endosp...

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  6. In embryo development, the basal cell which produces 20 to 25 cell str...

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  7. The development of embryo from unfertilized egg is (A) haploid apogam...

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  8. What is Parthenocarpy? (A) Development of egg without fertilization ...

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  9. Autogamy means (A) pollination of a flower by its own pollen (B) p...

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  10. Autogamy is possible in (A) only monoecious flower (B) only in bise...

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

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

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

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  14. 250 microsporocytes will give rise to ……. Microspores (A) 250 (B) 5...

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

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

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

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

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

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

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