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प्रश्न
What is seed? What are the parts of a seed? Explain with the help of a labelled diagram.
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उत्तर
Seed is the reproductive unit of a plant. The various parts of a seed are plumule, radicle and cotyledon.
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संबंधित प्रश्न
Give one example of a unisexual flower.
Sketch the reproductive parts of a flower.
The reproductive part of a plant is the ______.
What type of plants reproduce by sexual reproduction method?
(a) Draw a neat diagram of a flower showing its various parts. In this diagram mark stem, receptacle, sepals, petals, stamen and carpel.
(b) What name is given to (i) all the petals of a flower, and (ii) all the sepals of a flower?
(c) What are (i) stamen, and (ii) carpel, in a flower?
(d) What is the other name of carpel of a flower?
(e) What is the name of yellow powdery substance present in the anther of a flower?
Multiple choice question. Tick (✓) the correct choice:
Unisexual flowers are found in
- mulberry
- mustard
- pea
- sunflower
Multiple choice question. Tick (✓) the correct choice:
The male gamete is present inside the which germinates.
- the style
- the stigma
- the anther
- the ovary
Fill in the blank:
Seeds are formed from________.
State whether the following statement is true (T) or false (F):
Flowers which possess stamens and carpel are called unisexual.
Mention the function of Anther.
What is phototropism?
Explain sexual reproduction in plants.
Fill in the blanks and rewrite the completed statements:
Lymph flows in _______________ direction.
__________ is present in unisexual flower.
The essential parts of a flower are ______.
Which type of development is observed in male gametophytes of plants?
Pollen grains are produced by ______
What is the structural unit of sexual reproduction in plant?
The figure below shows the concept of double fertilization. Complete the flow chart showing the progress at each step:
