Which of the following is NOT a characteristic of the vegetative cell in a pollen grain?
Larger than the generative cell
Forms the pollen tube
Divides to form male gametes
Has a prominent nucleus
Related Questions
Reproduction in larval stage is called
Neoteny
Parthenogenesis
Parthenocarpy
Paedogenesis
Which of the following flowers only once in its lifetime.
Bamboo
Jackfruit
Mango
Papaya
Reproduction takes place in which stage of life span
Birth stage
Growth stage
Adult stage
Death stage
In which of the following organisms self fertilisation is seen?
Fishes
Leech
Earthworm
Liverfluke
In a hypothetical plant species, the endosperm is diploid and the embryo is triploid. Which of the following most accurately describes the process leading to this unusual ploidy?
Diploid megaspore mother cell undergoes mitosis to form the embryo sac, and a diploid male gamete fuses with a haploid central cell.
Haploid megaspore mother cell undergoes meiosis to form the embryo sac, and a diploid male gamete fuses with a diploid central cell.
Triploid megaspore mother cell undergoes mitosis to form the embryo sac, and a haploid male gamete fuses with a diploid central cell.
Diploid megaspore mother cell undergoes meiosis to form the embryo sac, and two haploid male gametes fuse with a haploid central cell.
The process of transfer of pollen grains from the anther to the stigma of the same flower is called:
Geitonogamy
Xenogamy
Autogamy
Cleistogamy
Internal fertilization is the one in which syngamy
Occur outside the body
Occur inside the body
Followed by meiosis
None of these
Male gametes are also called
Antherozoid
Sperm
Egg
Both (1) and (2)
Menstrual cycle is
Seasonal hormonal ovarian change
Conditional hormonal ovarian change
Periodic hormonal ovarian change
Habitual hormonal ovarian change
Pollination is
Transfer of gametes on stigma
Transfer of male gametes on stigma
Transfer of female gametes on stigma
Fusion of male and female gametes
