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Standard XI

Biology

Bryophytes

Choose the op...

Question

Choose the option with the correct statements with respect to bryophytes:
I. They play a major role in ecological succession.
II. They were the first land plants.
III. The tallest bryophyte is less than 1 m.
IV. Vascular tissues are present in them.

Only I

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Only I, II and III

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Only II and III

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Only I and II

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Solution

The correct option is B Only I, II and III
The tallest bryophyte is less than 1 metre. They do not grow taller because they lack vascular tissues like xylem and phloem which are used for long-distance transport of nutrients in tall plants. They play a major role in ecological succession. They are also considered the first land plants.

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Similar questions

Select the correct combination of the statements(1- 4) regarding characteristics of pteridophytes.

(1) They are the first group of plants to possess vascular tissues.

(2) Their gametophytes are differentiated into true roots, stem and leaves.

(3) The dominant phase in the life cycle is sporophyte.

(4) Unlike bryophytes, they do not require water for the process of fertilization.

Q. Bryophytes are the first land plants but incompletely adapted to land conditions as
(i) Plant body is parenchymatous.
(ii) Protonema is present.
(iii) Male gametes are mobile.
(iv) Stomata are absent in liverworts.
Which of the above-mentioned statement(s) is/are correct?

Q. Non-vascular plants are found in
I. algae
II. bryophytes
III. pteridophytes
IV. gymnosperms
V. angiosperms

Question 8
Given below are statements about the harmful effects of weeds on crop plants.
(i) They interfere in harvesting.
(ii) They help crop plants to grow healthily.
(iii) They compete with crop plants for water, nutrients, space and light.
(iv) They affect plant growth.

Choose the correct combination of statements.
(a) i, iii, iv
(b) iii only
(c) iii, iv
(d) i, ii, iii, iv

Q. Identify the correct statements regarding succession of plants.
(i) xerach succession leads finally to mesic conditions
(ii) primary succession is faster than secondary succession
(iii) bryophytes are generally the pioneer species for primary succession on rocks

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Bryophytes

Standard XI Biology

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Choose the option with the correct statements with respect to bryophytes: I. They play a major role in ecological succession. II. They were the first land plants. III. The tallest bryophyte is less than 1 m. IV. Vascular tissues are present in them.

Choose the option with the correct statements with respect to bryophytes:
I. They play a major role in ecological succession.
II. They were the first land plants.
III. The tallest bryophyte is less than 1 m.
IV. Vascular tissues are present in them.