Reproduction-Sexual Reproduction in Flowering Plants (NEET Biology): Questions 7 - 12 of 88

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Question number: 7

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

MCQ▾

Question

Dicot embryo consists of

Choices

Choice (4) Response
a.

Radicle, plumule, cotyledons and testa.

b.

Radicle and plumule.

c.

Radicle, plumule, cotyledons and sometimes endosperm.

d.

Radicle, plumule, cotyledons and tegmen.

Question number: 8

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

Double fertilization involves

Choices

Choice (4) Response
a.

Fertilization of two eggs in the embryo sac by two sperms brought by one pollen tube.

b.

Fertilization of the egg and the central cell by two sperms brought by different pollen tubes.

c.

Fertilization of the egg and the central cell by two sperms brought by the same pollen tube.

d.

Fertilization of the egg by two male gametes.

Question number: 9

» Reproduction » Sexual Reproduction in Flowering Plants » Double Fertilization

MCQ▾

Question

In angiosperms, free nuclear divisions occurs during

Choices

Choice (4) Response
a.

Embryo formation

b.

Flower formation

c.

Gamete formation

d.

Endosperm formation

Question number: 10

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

MCQ▾

Question

When the pollen grains are not transferred from anthers to the stigma in flower due to the barrier of fence, it is referred as

Choices

Choice (4) Response
a.

Herkogamy

b.

Heterostyly

c.

Cleistogamy

d.

Dichogamy

Question number: 11

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

MCQ▾

Question

In which one of the following would you expect to find glyoxysomes?

Choices

Choice (4) Response
a.

Endosperm of wheat

b.

Endosperm of castor

c.

Palisade cells in leaf

d.

Root hairs

Question number: 12

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

MCQ▾

Question

Dichogamy which helps in cross pollination is a floral mechanism in which

Choices

Choice (4) Response
a.

Anther and stigma mature at different times.

b.

Pollen grain is unable to germinate on the stigma of the same flower.

c.

Pollen sac and stigma are at different heights.

d.

Structure of pollen sac and stigma functions as hurdles.

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