MEDIUM
12th CBSE
IMPORTANT
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A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is

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Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
12th CBSE
IMPORTANT
The outermost and innermost wall layers of microsporangium in an anther are respectively

MEDIUM
12th CBSE
IMPORTANT
During microsporogenesis, meiosis occurs in

EASY
12th CBSE
IMPORTANT
From among the sets of terms given below, identify those that are associated with the gynoecium.

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

MEDIUM
12th CBSE
IMPORTANT
From the statements given below, choose the option that is 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 the 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.

EASY
12th CBSE
IMPORTANT
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by:
