(a) stamen and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style
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In a bisexual flower of the young stamens being removed, the flower produces fruit. Provide a suitable explanation .
The pistil is intact. Cross pollination has occurred leading to fertilisation and formation of fruit.
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In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete?
Number of chromosomes in female gamete is 24 Number of chromosomes in zygote is 48, as it is formed after fertilization of both male & female gamete.
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The two versions of a trait (character) which are brought in by the male and female gametes are situated on
(a) copies of the same chromosome
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What is a flower? Describe the parts of a typical angiosperm flower?
A flower can be defined as the reproductive unit of any flowering plant (angiosperms). Flowers carry out sexual reproduction in angiosperms. A typical flower is a modified stem with a...
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Internal fertilization occurs Option A: in female body. Option B: outside female body. Option C: in male body. Option D: outside male body.
Correct Option: A Internal fertilization occurs inside female body
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Name the parts of an angiosperm flower in which development of male and female gametophyte take place.
The male gametophyte or the pollen grain develops inside the pollen chamber of the anther, whereas the female gametophyte (also known as the embryo sac) develops inside the nucellus of...
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In monohybrid cross of red and white flower, Mendel got only red flower. On setting the F1 plants having red flower
On crossing red and white flower only red colour flower appeared in the F1 generation. But the white colour flower again appear in the F2 generation which is raised out...
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In GIFT, gametes are transferred to the fallopian tube. Can gametes be transferred to the uterus to achieve the same result? Explain.
The uterine environment is not congenial for the survival of the gamete. If, directly transferred to the uterus they will undergo degeneration or could be phagocytosed and hence viable zygote would not...
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Name the reproductive parts of an angiosperm. Where are these parts located? Explain in brief the structure of its female reproductive parts.
(a) Each piece regenerates into a new Planaria. (b) Its filaments break into smaller pieces or fragments and each fragment gives rise to a new filament. (c) It releases spores which germinate into...
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b) The process of fusion of the male and the female gametes is called
(b) The process of fusion of the male and the female gametes is called (i) fertilisation.
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