Advertisements
Advertisements
प्रश्न
The part of a seed which grows and develops into root on germination is :
(a) cotyledon
(b) plumule
(c) follicle
(d) radicle
Advertisements
उत्तर
(d) radicle
The radicle of a seed forms the root after germination.
APPEARS IN
संबंधित प्रश्न
Match the following:
| Column A | Column B |
| (i) Stigma | (a) Neuron |
| (ii) Pepsin | (b) Carpel |
| (iii) Dendrites | (c) Protein |
| (d) Stamen |
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
How is the process of pollination different from fertilization?
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
What is meant by 'unisexual flowers' and 'bisexual flowers'? Give two examples of each.
Put a tick mark (✓) against the correct alternative in the following statement
Reproductive whorls of a flower are:
Fill in the blanks:
A carpel consists of ________ , ________ and ________.
Fill in the blanks:
A stamen consists of ______ and ________.
Mention the function of Anther.
Write one main difference between asexual and sexual mode of reproduction. Which species is likely to have comparatively better chances of survival – the one reproducing asexually or the one reproducing sexually? Give reason to justify your answer.
Observe the figure below. Write functions of the labelled parts.
The male reproductive part of a flower is ______.
The essential parts of a flower are ______.
In which part of the flower germination of pollen grains takes place?
Which type of development is observed in male gametophytes of plants?
Double fertilization is exhibited by ______
Sketch and label the essential and accessory whorls of flower.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
