AIIMS (All India Institute of Medical Sciences) Biology: Questions 167 - 172 of 467

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Question number: 167

» Biology and Human Welfare » Health and Disease

Appeared in Year: 2005

MCQ▾

Question

Antigen binding site in an antibody is found between

Choices

Choice (4) Response

a.

Two heavy chains

b.

Either between two light chains or between 1 heavy and one light chain depending upon the nature of antigen.

c.

One heavy and one light chain

d.

Two light chains

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Question number: 168

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

Appeared in Year: 2003

MCQ▾

Question

In angiosperms embryosac is developed from [MP PMT]

Choices

Choice (4) Response

a.

Microspore mother cell

b.

Secondary nucleus

c.

Megaspore mother cell

d.

Endothecium

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Question number: 169

» Reproduction » Sexual Reproduction in Flowering Plants » Development of Seed and Formation of Fruit

Appeared in Year: 2001

MCQ▾

Question

The point of attachment of ovule to the funicle is known as [MPPMT]

Choices

Choice (4) Response

a.

Chalaza

b.

Hilum

c.

Raphe

d.

Micropyle

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Question number: 170

» Reproduction » Human Reproduction » Gametogenesis-Spermatogenesis & Oogenesis

Appeared in Year: 1998

MCQ▾

Question

Immediately after ovulation, the mammalian egg is covered by a membrane called:

Choices

Choice (4) Response

a.

2 & 3

b.

Zona pellucida

c.

Chorion

d.

Corona radiata

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Question number: 171

» Reproduction » Human Reproduction » Menstrual Cycle

Appeared in Year: 1999

MCQ▾

Question

Correct sequence of hormone secretion from beginning of menstruation is [Orissa 2004]

Choices

Choice (4) Response

a.

FSH, estrogen, progesterone

b.

Estrogen, FSH, progesterone

c.

Estrogen, progesterone, FSH

d.

FSH, progesterone, estrogen

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Question number: 172

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

Appeared in Year: 2005

MCQ▾

Question

Syngamy is the process in which: - [Jharkhand]

Choices

Choice (4) Response

a.

Male gamete fuses with female gamete

b.

Pollen tube enter into the ovule through micropyle

c.

Pollen tube enters into the ovule through chalaza

d.

Generative cell and tube cell fuse

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