Pollen grains are produced in
(a) stigma
(b) filament
(c) anther
(d) style

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Solution

(c) anther

Pollen grains are produced in the anthers.

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Question 15
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

Q. Which of these is not a part of the male part of a flower?
(a) filament
(b) anther
(c) style
(d) pollen grains

The length of the pollen tube depends on the distance between :
(a) pollen grain and the upper surface of the stigma
(b) pollen grain on the upper surface of stigma and ovule
(c) pollen grain in anther and the upper surface of the stigma
(d) the upper surface of stigma and lower part of the style

Q. Classify the given statements under the headings 'self pollination ' and 'cross pollination'.
a. Transfer of pollen grains from the anther to the stigma of the same flower.
b. Transfer of pollen grains from the anther to the stigma of a different flower.
c. No need of pollinators to transfer pollen grains.
d. Produces large amounts of pollen grains.
e. Requires pollinators to transfer pollen grains.

Question 2
In a flower, the parts that produce male and female gametes (germ cells) are

(a) stamen and anther
(b) filament and stigma
(c) anther and ovary
(d) stamen and style

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Pollen grains are produced in (a) stigma (b) filament (c) anther (d) style

(c) anther Pollen grains are produced in the anthers.

Pollen grains are produced in
(a) stigma
(b) filament
(c) anther
(d) style

(c) anther

Pollen grains are produced in the anthers.