In pteridophytes, main plant body is a __(i)_ which is (ii) into true roots, stem and leaves.
Fill the blanks in above statement and select the correct option.

(i) - sporophyte, (ii) - differentiated

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(i) - sporophyte, (ii) - not differentiated

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(i) - gametophyte, (ii) - differentiated

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(i) - gametophyte, (ii) - not differentiated

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Solution

The correct option is A (i) - sporophyte, (ii) - differentiated
Pteridophyta includes primitive vascular plants. The adult plant body in these plants is a sporophyte. It shows differentiation into true roots, stem, and leaves. The stem is mostly herbaceous.
The life cycle includes an alternation of generation of a diploid prophetic generation with a haploid gametophytic generation. Sporophyte generation is dominant.
So, the correct answer is " (i) - sporophyte, (ii) - differentiated " .

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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.

Read the following five statements (A toE) and select the option with all correct statements :

(A) Mosses and Lichens are the first organisms to colonise a bare rock.

(B) Selaginella is a homosporous pteridophyte.

(D) Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.

(E) In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

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