Triple Fusion

Q. Triple fusion in angiosperm is the fusion of second sperm with

1. antipodal cell and one synergid cell
2. two antipodal cells
3. two synergid cells
4. two polar nuclei

Q.

Fusion of egg and the sperm is termed as triple fusion. True or false?

1. True

2. False

Q.

If the pollen cell contain 18 chromosomes, then number of chromosomes in the enderpesm will be

1. 72

2. 54

3. 18

4. 36

Q.

Which of the following correctly describes triple fusion?

1. None of the above.

2. Fusion of two polar nuclei with one male gamete.

3. Fusion two female gamete with one male gamete

4. Fusion two polar nuclei with an egg.

Q.

Which of the following processes occurs only in angiosperms?

1. Fusion of male and female gametes inside the plant body.
   

2. Formation of secondary nucleus by fusion of two polar nuclei.
   
   

3. Development of zygote inside the plant body.

4. Presence of male and female sexual organs on different plants.
   

Q. Triple fusion in angiosperm is the fusion of a sperm with

1. antipodal cell and one synergid cell
2. two antipodal cells
3. two synergid cells
4. two polar nuclei

Q. What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?

1. 16
2. 24
3. 8
4. 32

Q. What is produced at the end of double fertilisation in an angiosperm?

1. Endosperm
2. Radicle
3. Cotyledons
4. Primary Endosperm Nucleus

Q. Triple fusion results in the formation of

1. three cells
2. three haploid nuclei
3. triploid cell
4. three diploid cells

Q. Polar nuclei become a part of __________ after fertilisation in angiosperms.

1. zygote
2. primary endosperm nucleus
3. Both a and b
4. None of the above