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What does egg apparatus contain (A) Eg...

What does egg apparatus contain
(A) Egg cell `+` synergids
(B) Egg cell `+` secondary nucleus
(C) Three antipodals
(D) Synergids `+` secondary nucleus

A

Egg cell `+` synergids

B

Egg cell `+` secondary nucleus

C

Three antipodals

D

Synergids `+` secondary nucleus

Text Solution

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The correct Answer is:
A
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The endosperm of angiosperms is developed from (A) antipodals (B) zygote (C) synergids (D) secondary nucleus

In the development of male gametophyte, the nucleus of pollen divides mitotically and produce large nucleus is called…… (A) antipodal cell (B) Vegetative cell (C) Generative cell (D) Synergids + secondary nucleus

Egg apparatus is present on (A) micropylar end (B) chalazal end (C) hilum (D) funicle

In a fertilised embryo sac, the haploid, diploid, and triploid sturcture are (A) Synergid, zygote and primary endosperm nucleus (B) Synergid, antipodal and polar nuclei (C) Antipodal, synergid and primary endosperm nucleus (D) Synergid, polar nuclei and zygote

What does the filiform apparatus do at the entrance into the ovule? (A) It helps in the entry of pollen tube into synergid (B) It prevents entry of more than one pollen tube into the embryosac (C) It brings about opening of the pollen tube (D) It guides pollen tube from a synergid to egg

Starting from the innermost part, the correct sequence of parts in an ovule are (A) egg, nucellus, embryo sac, integument (B) egg, embryo sac, nucellus, integument (C) embryo sac, nucellus, integument, egg (D) egg, integument, embryo sac, nucellus

In an embryo sac, the cells that degenerate after fertilisation are (A) Synergids and primary endosperm cell (B) Synergids and antipodals (C) Antipodals and primary endosperm cell (D) Egg and antipodals

Double fertilization means (A) fusion of male gamete with antipodal cell (B) fusion of male gamete with synergid cell (C) fusion of male gamete with egg cell (D) fusion of male gamete with egg cell and another with secondary nucleus

In a flowering plant the pollen tube first arrives in (A) egg (B) antipodal cell (C) a synergid (D) central cell

KUMAR PRAKASHAN-SEXUAL REPRODUCTION IN FLOWERING PLANTS-Section -F (Multiple Choice Questions)
  1. Cleistogamy occurs in which plant? (A) Commelina (B) Yucca (C) Ma...

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  2. What is the name of the larger cell of the suspensor that remains in c...

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  3. What does egg apparatus contain (A) Egg cell + synergids (B) Egg c...

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  4. Autogamy can occur in a chasmogamous flower if (A) Pollen matures be...

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  5. Which plant is pollinated through wind?

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

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  7. Synergids are of which type?

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

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

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

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

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

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

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

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

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

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  17. 250 microsporocytes will give rise to ……. Microspores (A) 250 (B) 5...

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

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

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

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