MEDIUM
12th CBSE
IMPORTANT
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Starting from the innermost part, the correct sequence of parts in an ovule are 

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Important Questions on Sexual Reproduction in Flowering Plants

MEDIUM
12th CBSE
IMPORTANT
From the statements given below, choose the options that are true for a typical female gametophyte of a flowering plant.   
(i) It is 8-nucleate and 7-celled at maturity.
(ii) It is free-nuclear during development.
(iii) It is situated inside the integument but outside the nucellus.
(iv) It has an egg apparatus situated at the chalazal end.
MEDIUM
12th CBSE
IMPORTANT
Autogamy can occur in a chasmogamous flower if:
MEDIUM
12th CBSE
IMPORTANT
Choose the correct statement from the following.
MEDIUM
12th CBSE
IMPORTANT
A particular species of the plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by
MEDIUM
12th CBSE
IMPORTANT
From the situations given below, choose the one that prevents both autogamy and geitonogamy.
MEDIUM
12th CBSE
IMPORTANT
In a fertilised embryo sac, the haploid, diploid and triploid structures are
MEDIUM
12th CBSE
IMPORTANT
In an embryo sac, the cells that degenerate after fertilisation are