Pollination Topic Multiple Choice Questions 12th Biology Of Pune Board For MHT CET and NEET
31.______are non-motile and they are usually carried from flower to flower by means of external agents.
ANSWER= B) Pollen grains
32.______is the transfer of pollen grains from anther to the stigma of the flower.
ANSWER= A) Pollination
33.______is a type of pollination which occurs in a single flower or two flowers on a single plant.
ANSWER= B) Self Pollination
34.______is the transfer of pollen grains from the anther of one flower to the stigma of another flower of different plants of same species.
ANSWER= C) Cross pollination
35.There are _____ types of pollution.
ANSWER= C) 3
36.Autogamy is also known as_____.
ANSWER= A) Self Pollination
37._____in which bisexual flower is pollinated by its own pollen grains.
ANSWER= A) Self Pollination
38.in______transfer of pollen grain to a stigma of a different flower produced on the same plant.
ANSWER= D) Geitonogamy
39.in______type of cross pollination when pollen grain of one flower is deposited on the stigma of a flower of different plant belonging to same species, with the help of pollinating agency.
ANSWER= D) Both C and B
40.The agents responsible for pollination are how many types?
ANSWER= C) 2
41.wind and water are called,as
ANSWER=B) abiotic agent
42._____feathery to trap pollens carried by wind currents
ANSWER= B) Stigma
43._____are exposed to air currents.
ANSWER= C) Both A and B
44.The pollen grains are spiny and surrounded by a yellow sticky substance called____
ANSWER= A) pollen- kit
46.in______pollen grains float on the water surface and reach the stigma of female flower.
ANSWER= D) Epihydrophily
46.in______includes living agents
ANSWER= B) biotic agent
47.in______includes Pollination by insects
ANSWER= D) Epihydrophily
48.in______includes Pollination by birds
ANSWER= A) Ornithophily
49.in______includes Pollination by Bats
ANSWER= B) Chiropteryphily
50.in______ device, anthers and stigmas mature at different times in a bisexual flower so as to prevent self pollination
ANSWER= B) Dichogamy
51.in______ Pollen grains of other flowers germinate rapidly over the stigma than the pollen grains from the same flower
ANSWER= A) Prepotency
52.in______ there are two or three forms/ types of flowers in which stigmas and anthers are placed at different levels.
ANSWER= C) Heterostyly
53.______ is a mechanical device to prevent self pollination in a bisexual flower.
ANSWER= B) Herkogamy
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