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प्रश्न
Put a tick mark (✓) against the correct alternative in the following statement
Pollen is produced in the:
विकल्प
Filament
Style
Pistil
Anther
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उत्तर
Anther
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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
"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.
What is the function of a flower?
Fill in the following blank with suitable word :
The.......... at the base of the carpel contains egg cells.
The length of pollen tube depends on the distance between :
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style
__________ is present in unisexual flower.
Pollen grains from anther are transferred to the stigma.
Which type of development is observed in male gametophytes of plants?
Sperm and egg nuclei fuse due to ______.
In male reproductive whorl of a flower the archesporial cells are formed by ______.
