NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 2988 - 2994 of 3511

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Question number: 2988

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

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Appeared in Year: 2008

MCQ▾

Question

What does the filiform apparatus do at the entrance into ovule? [AIPMT]

Choices

Choice (4) Response

a.

It prevents entry of more than 1 pollen tube into the embryo sac

b.

It guides pollen tube from a synergid to egg

c.

It helps in the entry of pollen tube into a synergid

d.

It brings about opening of the pollen tube

Question number: 2989

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

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Appeared in Year: 2010

MCQ▾

Question

Apomictic embryos in citrus arise from: [AIPMT (Pre. ) ]

Choices

Choice (4) Response

a.

Maternal sporophytic tissue in ovule

b.

Diploid egg,

c.

Synergids

d.

Antipodal cells

Question number: 2990

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

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Appeared in Year: 2006

MCQ▾

Question

What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids? [AIPMT]

Choices

Choice (4) Response

a.

32

b.

16

c.

24

d.

8

Question number: 2991

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

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Appeared in Year: 2006

MCQ▾

Question

Embryosac represents: [RPMT]

Choices

Choice (4) Response

a.

Macrospore

b.

Macrosprophyll

c.

Macrogamete

d.

Macrogametophyte

Question number: 2992

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

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Appeared in Year: 2007

MCQ▾

Question

Endosperm of Angiosperm is [RPMT]

Choices

Choice (4) Response

a.

2n + l

b.

3n

c.

n

d.

2n

Question number: 2993

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

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Appeared in Year: 2008

MCQ▾

Question

Endosperm is consumed by developing embryo in the seed of [AIPMT]

Choices

Choice (4) Response

a.

Castor

b.

Maize

c.

Coconut

d.

Pea

Question number: 2994

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

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Appeared in Year: 2006

MCQ▾

Question

In which of the following fruits is the edible part the aril? [AIPMT]

Choices

Choice (4) Response

a.

Litchi

b.

Custard apple

c.

Pomegranate

d.

Orange