Double fertilisation is fusion ofA. two eggsB. two eggs and polar nuclei with pollen nucleiC. one male gamete with egg and other with synergidD. one male gamete with egg and other with secondary nucleus

Double fertilisation is fusion ofA. two eggsB. two eggs and polar nucl

1.	Double fertilisation is fusion ofA. two eggsB. two eggs and polar nuclei with pollen nucleiC. one male gamete with egg and other with synergidD. one male gamete with egg and other with secondary nucleus
Answer» Correct Answer - D Double fertilisation deals with the fusion of one male gamete with egg to form zygote and the other male gamete with secondary nucleus to form Primary Endosperm Nucleus (PEN).

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

Double fertilisation is fusion ofA. two eggsB. two eggs and polar nuclei with pollen nucleiC. one male gamete with egg and other with synergidD. one male gamete with egg and other with secondary nucleus

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment