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प्रश्न
Where is the zygote located in the flower after fertilization?
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उत्तर
In flowering plants, female gamete or egg is produced inside the ovule of the ovary. Since after fertilisation egg becomes a zygote, it is also located inside the ovule of the ovary.
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संबंधित प्रश्न
A student was asked to observe and identify the various parts of an embryo of a red kidney bean seed. He identified the parts and listed them as under:
I. Tegmen
II. Testa
III. Cotyledon
IV. Radicle
V. Plumule
The correctly identified parts among these are
(A) I, II and III
(B) II, III and IV
(C) III, IV and V
(D) I, III, IV and V
A student while observing an embryo of a pea seed in the laboratory listed various parts of the embryo as given below:
Testa, Tegmen, Radicle, Plumule, Micropyle, Cotyledon.
On examining the list the teacher remarked that only three parts are correct. Select three correct parts from the above list:
(a) Testa, Radicle, Cotyleddon
(b) Tegmen, Radicle, Micropyle
(c) Cotyledon, Plumule, Testa
(d) Radicle, Cotyledon, Plumule
State significance of pollination.
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
Draw a neat sketch of the stamen of a flower. Mark in it filament and anther.
In a bisexual flower, inspite of the young stamens being removed artificially, the flower produces fruit. Explain.
In what ways is fertilisation in a plant similar to fertilisation in a human?
Answer the following question.
List two agents of pollination?
__________ is present in unisexual flower.
Find an odd one out.
Distinguish between self-pollination and cross-pollination.
In which of the following manner the arrangement of megaspores in a tetrad is observed in angiosperms?
The ovule of an angiosperm is technically equivalent to ______
Generally, in a pollen tube, which of the following moves to the tip of the tube?
Flowers showing ornithophily show few characteristic like ______.
Which out of the following processes does not lead to the formation of clones.
What is the structural unit of sexual reproduction in plant?
Type of sexual reproduction is ______.
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.
The number of pollen sacs in a dithecous anther is ______.
