Advertisements
Advertisements
प्रश्न
Multiple choice question.
The ploidy level is not the same in ______.
पर्याय
Integuments and nucellus
Root tip and shoot tip
Secondary nucleus and endosperm
Antipodals and synergids
उत्तर
The ploidy level is not the same in secondary nucleus and endosperm.
APPEARS IN
संबंधित प्रश्न
Name the scientist who put forward the most popular model of DNA.
What is the name of the reproductive process :
which involves only one parent?
Write down the different methods of asexual reproduction.
The protozoan having a flagellum at its one end is :
(a) Amoeba
(b) Paramecium
(c) Hydra
(d) Leishmania
In asexual reproduction, two offsprings having the same genetic material and the same body features are called :
(a) callus
(b) twins
(c) clones
(d) chromosomes
What type of fertilisation takes place in fish?
State whether the following statement is true (T) or false (F):
Most organisms have the capacity of regeneration in some or the other way.
Why is reproduction necessary for living organisms?
Explain the role of DNA in the process of reproduction of the cell.
Bryophyllum can reproduce by its ______.
What is the role of the seminal vesicles and the prostate gland?
The number of nuclei present in a zygote is _______.
Multiple choice question.
Which of these is the male reproductive organ in humans?
In vitro pollen germination and pollen tube elongation can be induced by ______.
Self-incompatibility is found in flowers of plants _______.
Nebenkern is ______.
Why is vegetative propagation practiced for growing some type of plant?
In a flower, the parts that produce male and female gametes (germ cells) are
Which of the following statements about reproduction in humans is correct?
Observe the following figures.
![]() |
![]() |
![]() |
|
(a) | (b) | (c) | (d) |
- Identify the stages (a) to (d) in figure during development of human baby.
- Arrange the stages in correct sequence of development.
- Explain the development that takes place in any one stage.