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प्रश्न
Given below is a diagram of a germinating seed. Label the parts that:
- gives rise to future shoot.
- gives rise to future root system.
- stores food.
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उत्तर
- A: The young shoot of a plant embryo above the cotyledons is called a plumule. It is made up of the epicotyl and frequently immature leaves.
- B: In the course of germination, the radicle is the first component of a seedling to emerge from the seed. The plant's first root, known as a radicle, emerges from the soil downward.
- C: The cotyledon is a crucial component of the embryo inside a plant seed. The cotyledon may develop into the seedling's first embryonic leaves after germination.
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संबंधित प्रश्न
State the name of the functional unit concerned with sexual reproduction.
In the figure given alongside, the parts marked A, B and C are sequentially :
(a) cotyledon, plumule and radicle
(b) plumule, radicle and cotyledon
(c) plumule, cotyledon and radicle
(d) radicle, cotyledon and plumule
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
Draw a diagram of a pistil showing pollen tube growth into the ovule and label the following:
Pollen grain, male gamete, female gamete, ovary.
Draw a diagram of the longitudinal section of a flower and label on it sepal, petal, ovary and stigma.
Answer the following question.
List two agents of pollination?
Define.
Inflorescence
Which type of development is observed in male gametophytes of plants?
In a bisexual flower inspite of the young stamens being removed artificially, the flower produces fruit. Provide a suitable explanation for the above situation.
In male reproductive whorl of a flower the archesporial cells are formed by ______.
