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प्रश्न
(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?
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उत्तर
(a) A flower
(b) (i) The corolla
(ii) The calyx
(c) (i) Stamen is the male reproductive organ in a flower.
(ii) Carpel is the female reproductive organ in a flower.
(d) The other name of carpel is pistil.
(e) The yellow powdery substance present in the anther of a flower are pollen grains.
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संबंधित प्रश्न
Name and differentiate between the two modes of pollination in flowering plants.
The process of fusion of the male and female gametes is called ______.
What is the name of female organ of a flower (other than carpel)?
Give some examples of different modes of fertilisation in nature?
Name the part of a seed which contains stored food.
Name the part of a seed which grows into shoot.
Describe the process of fertilisation in a flower with the help of labelled diagrams.
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
In what ways is fertilisation in a plant similar to fertilisation in a human?
State whether the following statement is true (T) or false (F):
Stamens make egg cells.
A student is observing the temporary mount of a leaf peel under a microscope. Draw a labelled diagram of the structure of stomata as seen under the microscope
Pollen grains from anther are transferred to the stigma.
The male reproductive part of a flower is ______.
Where is the zygote located in the flower after fertilization?
Double fertilization is essential for formation of ______.
Sketch and label the essential and accessory whorls of flower.
Triple fusion involves ______.
What is puberty?
