HARD
NEET
IMPORTANT
Earn 100
Select the correct option regarding the ploidy level of different structures of an angiospermous ovule. Nucellus MMC Functional megaspore (i) n 2n 2n (ii) 2n n n (iii) 2n 2n n (iv) n 2n n
69.12% studentsanswered this correctly
Important Questions on Sexual Reproduction in Flowering Plants
MEDIUM
NEET
IMPORTANT
Select the correct statement(s) regarding the structure of a mature embryo sac.
(i) Egg apparatus is situated towards the chalazal end.
(ii) Antipodal cells are situated towards the micropylar end.
(iii) A typical angiospermic embryo sac is -celled, -nucleate at maturity.
EASY
NEET
IMPORTANT
Select the option which correctly identify the given plant.
EASY
NEET
IMPORTANT
Even in the absence of pollinating agents seed-setting is assured in which of the following?
EASY
NEET
IMPORTANT
In which of the following the male and female flowers are present on different plants (dioecious) to ensure xenogamy?
MEDIUM
NEET
IMPORTANT
Plants with ovaries having only one or a few ovules are generally pollinated by which of the following?
HARD
NEET
IMPORTANT
Refer to the given characteristics of some flowers:
(i) Light and non-sticky pollen grains
(ii) Exserted stigmas and anthers
(iii) Large, often feathery stigmas
(iv) Flowers colourless, odourless and nectarless
(v) Common in grasses
Above features are the characteristics of:
MEDIUM
NEET
IMPORTANT
Which of the following is not a water pollinated plant?
MEDIUM
NEET
IMPORTANT
Select the incorrect pair of type of pollination and the corresponding pollinating agency.
