The non-motile male and female gametes produced in flowering plants are brought together for fertilisation by a mechanism called __________.
Cross pollination can induce
Diseases in plants
Variation in plants
Non viable seeds in plants
None of the above
Pollination occurs in
Both autogamy and geitonogamy are prevented in:
Wind pollinated flowers are:
small, brightly coloured, producing a large number of pollen grains
large producing abundant nectar and pollen
small, producing nectar and dry pollen
small, producing large number of dry pollen grains
Which one of the following statements in not true?
Pollen grains of some plants cause severe allergies and bronchial afflictions in some people
Honey is made by bees by digesting pollen collected from flowers
The flowers pollinated by flies and bats secrete foul odour to attract them
Pollen grains are rich in nutrients, and they are used in the form of tablets and syrups
In which of the following scenarios, pollination will lead to fertilisation?
Pollen grains of pumpkin flower falls on the stigma of a pumpkin flower
Pollen grains of an ash gourd flower falls on the stigma of another ash gourd flower
Pollen grains of ash gourd flower falls on the stigma of a pumpkin flower
Pollen grains of pumpkin flower falls on the stigma of an ash gourd flower
Column 1Column 2A. Autogamyi. Transfer of pollen grains from antherto the stigma of a different plant.B. Xenogamyii. Transfer of pollen grains from the anther tothe stigma of another flower of the same plant.C. Geitonogamyiii. Transfer of pollen grains from theanther to the stigma of the same flower.
- A-i, B-ii, C-iii
- A-iii, B-i, C-ii
- A-iii, B-ii, C-i
- A-ii, B-iii, C-i