What is the function of germ pore? (a) Emergence of radicle (b) Absorption of water for seed germination (c) Initiation of pollen tube (d) Release of male gametes

What is the function of germ pore?
(a) Emergence of radicle
(b) Absorption of water for seed germination
(c) Initiation of pollen tube
(d) Release of male gametes
by

1 Answer

Answer :

(c) Initiation of pollen tube
by

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Last Answer : a)Initiation of pollen tube

In dicots the pollen-grains possess : (1) two germ pores (2) three germ pores (3) four germ pores (4) one germ pore

Description : In dicots the pollen-grains possess : (1) two germ pores (2) three germ pores (3) four germ pores (4) one germ pore

Last Answer : (2) three germ pores Explanation: Pollen grains of monocots have one opening, while pollen grains of dicots have three openings. Pollengrains can be monocolpate (having one germ pore called germinal furrow e.g., monocots), bicolpate (2 germ pores) and tricolpate (3 germ pores e.g., dicots).

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Last Answer :  three germ pores

In angiosperms, pollen tube liberate their male gametes into the (a) central cell (b) antipodal cells (c) egg cell (d) synergids.

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Last Answer : d) synergids.

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Last Answer : (d) syngamy and triple fusion.

Double fertilization is (1) Fusion of two male gametes of a pollen tube with two different eggs (2) Fusion of one male gamete with two polar nuclei (3) Fusion of two male gametes with one egg (4) Syngamy and triple fusion

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Function of pollen tube? -Biology

Description : Function of pollen tube? -Biology

Last Answer : answer:

What is the function of the pollen tube? -Biology

Description : What is the function of the pollen tube? -Biology

Last Answer : answer:

Function of pollen tube? -Biology

Description : Function of pollen tube? -Biology

Last Answer : answer:

What is the function of the pollen tube? -Biology

Description : What is the function of the pollen tube? -Biology

Last Answer : answer:

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In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

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Description : Where are Male gametes are produced?

Last Answer : Need answer

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Last Answer : That would be the Gonads.

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The independent structure developed in pteridophytes which produces male and female gametes is

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Last Answer : (a) generative cell

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Last Answer : (c) Riccia, Dryopteris and Cycas

Male gametes are flagellated in (a) Ectocarpus (b) Spirogyra (c) Polysiphonia (d) Anabaena

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Which of the following is not a characteristic of coniferales........ a)pycnoxylic wood b)motile male gametes c)presence of resin canal d) fertilization siphonogamous

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Plants release energy during (1) Photosynthesis (2) Respiration (3) Transpiration (4) Germination

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Description : Insignificant amount of Vitamin E is present in (A) Wheat germ oil (B) Sunflower seed oil (C) Safflower seed oil (D) Fish liver oil

Last Answer : Answer : D