NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2952 - 2957 of 3511

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Question number: 2952

» Reproduction » Sexual Reproduction in Flowering Plants » Outbreeding Devices

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Appeared in Year: 2003

MCQ▾

Question

In a Flowering plant, archesporium gives rise to: - [AIPMT]

Choices

Choice (4) Response

a.

Wall and the tapetum

b.

Only tapetum and sporogenous cells

c.

wall and the sporogenous cells

d.

Only the wall of the sporangium

Question number: 2953

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

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Appeared in Year: 2000

MCQ▾

Question

In Capsella which type of embryosac is found [RPMT]

Choices

Choice (4) Response

a.

Trisporic

b.

Monosporic

c.

Bisporic

d.

Tetrasporic

Question number: 2954

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

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Appeared in Year: 2002

MCQ▾

Question

What is the direction of micropyle in anatropous ovule: [AIPMT]

Choices

Choice (4) Response

a.

Right

b.

Left

c.

Upward

d.

Downward

Question number: 2955

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Male and Female Gametophytes

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Appeared in Year: 2001

MCQ▾

Question

In grass what happens in microspore mother cell for the formation of mature pollen grains: [AIPMT]

Choices

Choice (4) Response

a.

One meiotic division

b.

One mitotic division

c.

One meiotic and one mitotic division

d.

One meiotic and two mitotic divisions

Question number: 2956

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

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Appeared in Year: 2002

MCQ▾

Question

The nutritive layer of microsporangia of Capsella [RPMT]

Choices

Choice (4) Response

a.

Exothecium

b.

Endothecium

c.

Sporogenous tissue

d.

Tapetum

Question number: 2957

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

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Appeared in Year: 1999

MCQ▾

Question

Ornithophily takes place in: [AIPMT]

Choices

Choice (4) Response

a.

Yellow flower having nectaries

b.

Flower with charming colour

c.

Modified corolla

d.

Scented flower