Assertion. A pollen grain of angiosperm is considered as the male gametophyte . Reason. All the nuclei of the pollen grain produce male gametes.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion .B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion .C. If Assertion is true and but the Reason is false.D. If both Assertion and Reason are false.

Assertion. A pollen grain of angiosperm is considered as the male game

1.	Assertion. A pollen grain of angiosperm is considered as the male gametophyte . Reason. All the nuclei of the pollen grain produce male gametes.A. If both Assertion and Reason are true and the Reason is a correct explanation of the Assertion .B. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion .C. If Assertion is true and but the Reason is false.D. If both Assertion and Reason are false.
Answer» Correct Answer - C

Discussion

No Comment Found

Related InterviewSolutions

Lemur a large animal acts as pollinator inA. flaxB. ravenaelaC. capsellaD. hydrilla
Root cells of a wheat plant have 42 chromosomes, the number of chromosomes in egg cell will be:A. 21B. 42C. 63D. 14
Which of the following statements about sporopollenin is wrongA. Exine is formed of sporopolleninB. Sporopollenin is not degraded by any known enzymeC. Sporopollenin occurs in the area of germ pores onlyD. Sporopollenin is most resistant organic material
In flowering plants, the male gametes are formed byA. Generative cellB. Uninucleate microsporeC. Vegetative cellD. Pollen tube
Number of gametes produced by a male gametophyte of flowering plant isA. FourB. OneC. ThreeD. Two
In a flowering plant is microscope mother cell produce four male gametophytes while a megapore mother cell form only one female gametophyte. Explain.
Number of prothallial cells present in male gametophyte of flowering plant isA. ThreeB. TwoC. OneD. Zero
The term used when anthers and stigmas of intersexual or perfectA. bud pollinationB. immature pollinationC. cross pollinationD. cleistogamy
A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination byA. InsectsB. WaterC. WindD. Animals .
Refer to the given characteristics of some flowers. (i) LIght and non-sticky pollen grains (ii) Exserted stigmas and anthers (iii) Large, often feathert stigmas (iv) Flowers colourless, odourless and nectarless (v) Common in grasses Above features are the characteristics ofA. anempohilyB. hydrophilyC. entomophilyD. zoophily

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment