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To study pollen germination, some pollen...

To study pollen germination, some pollen from flowers such as pea, chickpea, Crotolaria, balsam and Vinca are collected and dusted on a glass slide containing a drop of ...a... solution about ...b... per cent. After about ...c... minutes, pollen tubes coming out of the polien grains.

A

a-Saline, b-5,c-5 to 10

B

a-Sugar, b-5, c-10 to 20

C

a–Saline, b-10, c–15 to 30

D

a-Sugar, b-10, c-15 to 30

Text Solution

Verified by Experts

The correct Answer is:
D
To study pollen germination some pollen from flowers such as pea, chickpea, Crotolaria, balsam and Vinca are collected and dusted on a glass slide con taining a drop of sugar solution about 10 per cent. After about 15 to 30 minutes, pollen tubes coming out of the pollen grains.
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Knowledge Check

  • Which of the following is an outbreeding device? a. If pollen release and stigma receptivity are not synchronised. b. If the anther and stigma are placed at different positions so that pollen cannot come in contact with the stigma of the same flower. c. Self-incompatibility which prevents self-pollen (from the same plant) from fertilising the ovules by inhibiting pollen germination or pollen tube growth in the pistil. d. Production of the unisexual flower

    A
    a, b and c
    B
    b, c and d
    C
    a, c and d
    D
    a, b, c and d

  • While planning for an artificial hybridisation programme involving dioecious plants, find out the correct sequence of steps: (a) Collection of pollen (b) Dusting of pollen on stigma (c) Emasculation (d) Bagging of female flower (e) Rebagging

    A
    a, b, d, cande
    B
    c, d, a, b and e
    C
    d, a, b and e
    D
    d, c, a, e and b
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