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Just before fertilization the diploid st...

Just before fertilization the diploid structure in the ovule of Capsella is

A

Pollen tube

B

Nucellus/ Sec. nucleus

C

Synergids

D

Antipodals

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ALLEN-REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE-III (B) (ANALYTICAL QUESTION )
  1. Development of male gametophyte is :-

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  2. Proliferation of integumentary cells at the micropylar region of the o...

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  3. Just before fertilization the diploid structure in the ovule of Capsel...

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  4. Free nuclear division in an angiosperm takes place during

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  5. Micropyle of seed is involved in the passage of

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  6. The type of cells under going meiosis in the flowers are

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  7. Female gametophyte like pollens are found in

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  8. When the anthers and stigma in an intersexual flower mature at the sa...

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  9. Protandry is the situation when :-

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  10. The anterior end of pollen tube burst by the process of in embryosac-

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  11. Synergids help in

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  12. The term xenia denotes the effect of pollen on the

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  13. Role of suspensor is :

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  14. Which of the following lies in the central cell

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  15. Haploid diploid and triploid conditions respectively can be traced in...

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  16. If the leaf of. Capsella has 46 number of chromosomes then how many ch...

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  17. If the nucellus cell of an Angiosperm contains 24 chromosomes the numb...

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  18. In Angiosperm, if haploid number of chromosome is 12 then what will be...

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  19. How many meiotic divisions are required for the formation of 200 seed...

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  20. In Angiosperm, if number of chromosomes in endosperm is 30, what will ...

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