Question : In Pinus/gumnosperms, the haploid structure are – InterviewSolution

InterviewSolution

1.	Question : In Pinus/gumnosperms, the haploid structure are
Answer» megaspore, endosperm and embryo megaspore, POLLEN grain and endosperm megaspore, integument and root pollen grain, leaf and root Solution :(b) In gymnosperms, the megaspore (haploid) is first cell of FEMALE gametophyte and undergoes repeated divisions to form a multicellular female gametophyte, which because of abundant FOOD reserves, serves as endosperm. So, being PRODUCED before fertilisation,endosperm is haploid in gymnosperms.Microspored or pollen GRAINS are the first cell of the male gametophyte and are haploid in nature.

Discussion

No Comment Found

Related InterviewSolutions

Question : Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
Question : Which is the most common methods of fossilization? Explain how it occurs.
Question : Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism ?
Question : Which is the microscopic parasitic animal ?
Question : Which is the method of temporary birth control that reduces the chances of pregnancy by 80%? Write the fact on which this method is based.
Question : Which is the main cause to convert water bodies into land ?
Question : Which is the lowest level of ecological organisation ?
Question : Which is the longest cell of the human body ?
Question : Which is the longest bone of the body ?
Question : Which is the link between glycolysis and Krebs cycle·?