Triple Fusion

Q. PEN is formed as a result of the fusion of___________ in flowering plants.

1. two polar nuclei and two male gametes
2. two male gametes and an ovum
3. a male gamete and two polar nuclei
4. a polar nuclei and a male gamete

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. 32
4. 8

Q. Triple fusion results in the formation of

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

Q.

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

1. True

2. False

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. fused polar nuclei

Q.

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

1. 18

2. 36

3. 72

4. 54

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

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