Reproduction-Sexual Reproduction in Flowering Plants (NEET Biology): Questions 69 - 74 of 88

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Question number: 69

» 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: 70

» 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: 71

» 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: 72

» 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: 73

» 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

Question number: 74

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

Appeared in Year: 2006

MCQ▾

Question

In a Cereal grain the single cotyledon of embryo is represented by [AIPMT]

Choices

Choice (4) Response

a.

Coleoptile

b.

Prophyll

c.

Coleorhiza

d.

Scutellum

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