Reproduction (NEET Biology): Questions 106 - 111 of 131

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Question number: 106

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

Appeared in Year: 2008

MCQ▾

Question

Unisexuality of flowers prevents: - [AIPMT]

Choices

Choice (4) Response

a.

Autogamy and geitonogamy

b.

Autogamy, but not geitonogamy

c.

Geitonogamy, but not xenogamy

d.

All of the above

Question number: 107

» Reproduction » Sexual Reproduction in Flowering Plants » Special Modes-Apomixis, Parthenocarpy, Polyembryony

Appeared in Year: 2005

MCQ▾

Question

In a type of apomixis known as adventive embryony, embryos develop directly from the: [AIPMT]

Choices

Choice (4) Response

a.

Zygote

b.

Accessory embryosac in the ovule

c.

Synergids or antipodals in an embryosac

d.

Nucellus or integuments

Question number: 108

» Reproduction » Sexual Reproduction in Flowering Plants » Flower Structure

Appeared in Year: 2007

MCQ▾

Question

How many times flowering takes place in biennial plants [RPMT]

Choices

Choice (4) Response

a.

Twice

b.

Once

c.

Many

d.

Question does not provide sufficient data or is vague

Question number: 109

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

Appeared in Year: 2005

MCQ▾

Question

Which one of the following represents an ovule, where the embryosac becomes horse-shoe shaped and the funiculus and micropyle are close to each Other: [AIPMT]

Choices

Choice (4) Response

a.

Anatropous

b.

Amphitropous

c.

Circinotropous

d.

Atropous

Question number: 110

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

Appeared in Year: 2011

MCQ▾

Question

What would be the number of chromosomes of the aleurone cells of a plant with 42 chromosomes in its root tip cells? [AIPMT (Pre) ]

Choices

Choice (4) Response

a.

42

b.

21

c.

84

d.

63

Question number: 111

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

Appeared in Year: 2011

MCQ▾

Question

In angiosperms, functional megaspore develops into: [AIPMT (M) ]

Choices

Choice (4) Response

a.

Endosperm

b.

Pollen sac

c.

Embryo sac

d.

Ovule

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