Reproduction (KVPY (Kishore Vaigyanik Protsahan Yojana) Stream-SA (Class 11) Biology): Questions 44 - 51 of 114

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Question number: 44

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Insect pollinated flowers usually possess

Choices

Choice (4) Response

a.

Sticky pollen and rough surface stigma

b.

Brightly coloured pollens in large quantity

c.

Light coloured scented pollen covered with nectar

d.

Dry pollens with smooth surface

Question number: 45

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Pollen tube was discovered by

Choices

Choice (4) Response

a.

Hofmeister

b.

Amici

c.

Strasburger

d.

Winkler

Question number: 46

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Maize is best example of:

Choices

Choice (4) Response

a.

Ornithophilous

b.

Entomophilous

c.

Hydrophilous

d.

Anemophilous

Question number: 47

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

Translator apparatus is found in

Choices

Choice (4) Response

a.

Pea

b.

Mustard

c.

Calotropis

d.

Mango

Question number: 48

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

“Lever mechanism” or “turn pipe mechanism” for pollination is characteristic feature of

Choices

Choice (4) Response

a.

Ocimum

b.

Salvia

c.

Ficus

d.

Antirrhinum

Question number: 49

» Reproduction » Sexual Reproduction in Flowering Plants » Pollination-Types, Agencies and Examples

MCQ▾

Question

When pollen grains of a flower are transferred to stigma of another flower on a different plant, the process is called

Choices

Choice (4) Response

a.

Geitonogamy

b.

Homogamy

c.

Autogamy

d.

Xenogamy

Question number: 50

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Endosperm and Embryo

MCQ▾

Question

In Casuarina, pollen tube enters through: -

Choices

Choice (4) Response

a.

Integument

b.

Funiculum

c.

Micropyle

d.

Chalaza

Question number: 51

» Reproduction » Sexual Reproduction in Flowering Plants » Pollen-Pistil Interaction

MCQ▾

Question

The tip of pollen tube after entering into embryo sac get swells and burst due to

Choices

Choice (4) Response

a.

Diffusion

b.

Endosmosis

c.

Exosmosis

d.

Question does not provide sufficient data or is vague

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