Sexual Reproduction in Flowering Plants · Biology · MHT CET (Biology)

Which of the following plant shows 'Lever mechanism' of pollination?

In the given diagram of developing monocot embryo, identify the labels 'i', 'ii' and 'iii'.

How many meiotic and mitotic divisions respectively are required to form male gametophyte from pollen mother cell?

Match the parts of anatropous ovule given in Column I with their ploidy given in Column II.

Given below are two statements.

Statement I - Microspore is covered by two layered covering called sporoderm.

Statement II - Sporopollenin is not present in the region of germ pores in microspore.

In the light of above statements, Select the correct option given below:

When a biotic agent is bat, the pollination is called

Germ pores of pollen grains are useful for

Which of the following pairs are haploid structures?

Match the types of endosperms given in Column I with examples given in Column II

Choose the correct sequence of events in pollenpistil interaction from the options given below:

i. Entry of pollen tube into synergid.

ii. Development of pollen tube.

iii. Deposition of pollen grains on the stigma.

iv. Release of contents from pollen tube.

To achieve pollination, attractions and reward are required in

How many nuclei migrate from each pole to the centre of developing female gametophyte to form secondary nucleus?

In an angiospermic embryo, upper swollen suspensor cell towards the micropyle, functions as_________.

Bird pollinated flowers are usually __________

Just before fertilization, the angiosperm's embryo sac contains_________ and ___________nuclei.

Just before fertilization, the angiosperm's embryo sac contains ________ and ________ nuclei.

In a male gametophyte, ploidy of tube cell and a male gamete is __________

In sea grass, pollens are long, ribbon like and without exine exhibiting __________ pollination.