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Biology : Ch03 – Plant Kingdom – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Bryophytes are of great ecology importance.

Reason: Bryophytes play important role in plant succession on bare rocks.

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Sphagnum is used for transhipment of living material like seedlings.

Reason: Sphagnum has capacity of water retention.

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Most algae show haplontic type of life cycle.

Reason: A Fucus alga shows diplontic type of life cycle.

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Phaeophyceae are brown algae.

Reason: Phaeophyceae contain large amount of xanthophyll pigment called fucoxanthin which gives brown colour.

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Development of zygote into young embryo takes places within the female gametophytes in Pteridophytes

Reason: This event is a precursor to seed habit, considered an important step in evolution.

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Pteridophytes are used for medicinal purposes and soil binders.

Reason: They are the first terrestrial plants to possess vascular tissues.

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Algae are autotrophic.

Reason: Algae contain chlorophyll pigments.

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Volvox show diplontic type of life cycle.

Reason: They show free living sporophyte.

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: PEN is triploid in angiosperm.

Reason: PEN is formed by fusion of haploid male gamete with the dipoid secondary nucleus.

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Sexual reproduction in volvox is oogamous type.

Reason: Both of fusing gamete of volvox is non flagellated and similar in size.

Your score is

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