Reproduction (NEET Biology): Questions 86 - 92 of 131

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Question number: 86

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

Appeared in Year: 2002

MCQ▾

Question

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

Choices

Choice (4) Response
a.

Right

b.

Upward

c.

Downward

d.

Left

Question number: 87

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

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 meiotic and two mitotic divisions

c.

One mitotic division

d.

One meiotic and one mitotic division

Question number: 88

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

Appeared in Year: 2002

MCQ▾

Question

The nutritive layer of microsporangia of Capsella [RPMT]

Choices

Choice (4) Response
a.

Tapetum

b.

Exothecium

c.

Endothecium

d.

Sporogenous tissue

Question number: 89

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

Appeared in Year: 1999

MCQ▾

Question

Ornithophily takes place in: [AIPMT]

Choices

Choice (4) Response
a.

Flower with charming colour

b.

Yellow flower having nectaries

c.

Scented flower

d.

Modified corolla

Question number: 90

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

Appeared in Year: 2001

MCQ▾

Question

Adventive embryony in Citrus is due to: [AIPMT]

Choices

Choice (4) Response
a.

Zygotic embryo

b.

Integuments

c.

Nucellus

d.

Fertilized egg

Question number: 91

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

Appeared in Year: 2004

MCQ▾

Question

Anthesis is a phenomenon which refers to- [AIPMT]

Choices

Choice (4) Response
a.

Formation of pollen

b.

Reception of pollen by stigma

c.

Development of anther

d.

Opening of flower bud

Question number: 92

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

Appeared in Year: 2001

MCQ▾

Question

Parthenogenesis occurs when: - [RPMT]

Choices

Choice (4) Response
a.

When embryo is formed by the fusion of egg and sperm

b.

When sperm produces the embryo directly

c.

When embryo is formed from another cell

d.

When embryo is formed without the fusion of egg and the sperm

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