Reproduction In Organisms and Plants

Heterozygosity is most favoured in plants following

Heterozygosity is most favoured in plants following Options (a) cleistogamy (b) autogamy (c) xenogamy (d) geitonogamy Correct Answer: xenogamyExplanation:Geitonogamy is…

How many chromosomes are there in endosperm cell of Zea mays?

How many chromosomes are there in endosperm cell of Zea mays? Options (a) forty (b) twenty (c) thirty (d) ten…

How many of the daughter cells obtained from a megaspore mother cell result

How many of the daughter cells obtained from a megaspore mother cell result in the matured ovum? Options (a) four…

If diploid number of chromosomes in a plant is 40, then the number of chromosomes

If diploid number of chromosomes in a plant is 40, then the number of chromosomes in a gamete will be…

If pollen of a flower falls on the stigma of another flower, belonging

If pollen of a flower falls on the stigma of another flower, belonging to the same plant, it is called…

If the cell of root in wheat plant have 42 chromosomes then the number

If the cell of root in wheat plant have 42 chromosomes then the number of chromosome in the cells of…

If there are 4 cells in anthers, what will the number of pollen grains?

If there are 4 cells in anthers, what will the number of pollen grains? Options (a) 4 (b) 12 (c)…

In a monoecious plant

In a monoecious plant Options (a) male and female sex organs are on different individuals (b) male and female gametes…

In a population of species, in some plants the style is shorter. But in some

In a population of species, in some plants the style is shorter. But in some others, it is longer than…

In angiosperms each microspore mother cell undergoing meiosis gives rise to a

In angiosperms each microspore mother cell undergoing meiosis gives rise to a Options (a) diad (b) triad (c) tetrad (d)…