Advertisements
Advertisements
प्रश्न
The number of chromosomes in the leaf cells of a male plant is 40 and in the stem cells of a female plant is 60. If they are artificially hybridised, what will be the number of chromosomes in the endosperm?
Advertisements
उत्तर
80
APPEARS IN
संबंधित प्रश्न
Angiosperms bearing unisexual flowers are said to be either monoecious or dioecious. Explain with the help of one example each.
Describe the formation of helobial endosperm
Why does endosperm development precede embryo development in angiosperm seeds?
Identify the characteristic feature/s of helobial endosperm.
Identify the CORRECT statement/s from the following.
i. In post-fertilization changes within the ovule, the development of embryo is followed by the development of endosperm.
ii. Helobial endosperm is intermediate between cellular and nuclear type endosperm.
iii. Helobial endosperm is mostly observed in 72 families of dicots.
If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be ______.
Indentify the wrong statement regarding post-fertilisation development.
Mark the odd one.
Why does the zygote begin to divide only after the division of Primary endosperm cell (PEC)?
The diagram given below shows the three types of endosperms in angiosperms.
![]() |
![]() |
![]() |
| Type 1 | Type 2 | Type 3 |
- Identify the three types of endosperms shown above.
- Name the type of endosperm which commonly occurs in polypetalous dicots.



