Sexual Reproductions in Flowering Plants Quiz 2 – Punjab Meritorious School Preparation Portal

Welcome to your 12th Aug Sexual Reproductions in Flowering Plants Quiz 2 CBT TEST

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Name

School Name with City

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Which is the most common and primitive type of ovule, respectively?

Circinotropous and campylotropous ovule

Amphitrophous and orthotropous ovule

Orthotropous and anatropous ovule

Anatropous and orthotropous ovule

In flowering plants the embryo-sac is

Two celled

Three celled

Seven celled

Eight celled

Question is mentioned below :

a(i), b (ii), c(iii), d(iv), e(v)

a(v), b(iv) c(ii), d(iii), e(i)

a(iv), b(v), c(i) d(iii), e(ii)

a(ii), b(iii), c(iv), d(v) e(i)

The embryo sac development of Oenothera is

Monosporic

Bisporic

Tetrasporc

Both (1) and (2)

Getonogamy is functionally ___________& genetically ___________.

Autogamy, allogamy

Allogamy, autogamy

Allogamy, xenogamy

Autogamy, autogamy

Which of the following does not ensure autogamy?

Cleistogamy

Homogamy

Bud pollination

Dichogamy

Question is mentioned below :

a(iv), b(iii), c(i), d(ii)

a(i), b(ii), c (iii), d(iv)

a(iv), b(iii), c(ii), d(i)

a (ii),b(iii),c(iv),d(i)

In which of the following type of ovule, embryo sac is curved like horse-shoe?

Campylotropous ovule

Amphitropous ovule

Circinotropous ovule

Hemi-anatropous ovule

Select the correct option w.r.t. divisions required for formation of 3-celled mature male gametophyte from pollen mother cell.

2 mitotic and 2 meiotic divisions

1 meiotic and 3 mitotic divisions

1 meiotic and 2 mitotic divisions

2 meiotic and 2 mitotic divisions

In an embryo sac, the largest cell is

Synergids

Antipodal cells

Central cell

Dosphere

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