Home › Maharashtra SSC (Class 10) › Biology › Life Processes in Living Organisms Part 2 › In double fertilization, the second male gamete …
In double fertilization, the second male gamete fuses with the two polar nuclei to form the:
AZygote
BEndosperm
CEmbryo sac
DPollen tube
Answer & Solution
Correct answer: B. Endosperm
1. The pollen tube releases two male gametes into the embryo sac.
2. One male gamete fuses with the egg cell to form the zygote.
3. So the zygote is the other fusion product, ruling out option A here.
4. The second male gamete fuses with the two polar nuclei to form the endosperm.
5. The embryo sac is the structure that holds the egg and polar nuclei, not a product, so C is ruled out.
6. The pollen tube only delivers the gametes, so D is ruled out; two male nuclei fusing makes it double fertilization.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 3 "Life Processes in Living Organisms Part 2", p.36_
Related questions
Syphilis and gonorrhoea, two common sexually transmitted diseases, are caused by:Which statement about dizygotic twins is correct?Monozygotic twins arise from a single embryo whose cells divide into two groups within aboIn surrogacy, the woman in whose uterus the couple's embryo is implanted is called the:In the IVF technique, where is fertilization brought about?After ovulation, the remaining tissue of the burst follicle forms the corpus luteum, whichIn the menstrual cycle, the bursting of the mature follicle to release the oocyte is triggWhich organ forms in the uterus to supply food material to the developing embryo?