Last seen: Dec 29, 2021
An angiosperm ovule consists of the following parts: The ovule is attached to placenta by means of a stalk called funicle or funiculus. The poi...
Sporogenous tissue → Pollen mother cell → microspore tetrad → pollen grain → male gamete.
Microsporogenesis (i) It is meiotic formation of haploid microspores from diploid microspore mother cell. (ii) The arrangement of microspores in a...
Inside the anther, the cells of microsporangia develop as male gamete. Inside the ovary megasporangium cells develop as female gametes.
Correct answer: (a) Sharks
Correct answer: (d) Both (a) and (c)
Correct answer: (d) Whale, Mouse
Correct answer: (a) birds and reptiles
Correct answer: (a) proper embryonic care and protection is absent
Correct answer: (a) It is usually biparental.
Correct answer: (a) single-celled zygote
Correct answer: (c) occurs after fertilisation
Correct answer: (d) all of these
Correct answer: (d) parthenogenesis.
Correct answer: (d) it assists in evolution by producing variations.
Correct answer: (b) Layering – Bulbils
Correct answer: (b) A middle piece of sugarcane internode
Correct answer: (d) x
Correct answer: (d) Bulbil
Correct answer: (a) Bryophyllum and Kalanchoe