Q.

Fill in the blanks and choose the correct option.I. Stem is generally ___(i)___ when young.II. In wheat, large number of roots originate from base of stem and constitute ___(ii)___ root system.III. Cylindrical stems of ___(iii)___ contain chlorophyll and carry out photosynthesis.IV. ___(iv)___ provides rigidity to leaf blade and act as channel of transport.

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a

(i) Woody, (ii) Adventitious, (iv) Petiole

b

(ii) Fibrous, (iii) Opuntia, (iv) Stipules

c

(i) Green, (iii) Euphorbia, (iv) Veins

d

(i) Green, (ii) Tap, (iii) Euphorbia

answer is C.

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Detailed Solution

Stem is generally green when young.Cylindrical stems of Euphorbia contain chlorophyll and carry out photosynthesis.Veins provides rigidity to leaf blade and act as channel of transport.In wheat, large number of roots originate from base of stem and constitute fibrous root system.
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Fill in the blanks and choose the correct option.I. Stem is generally ___(i)___ when young.II. In wheat, large number of roots originate from base of stem and constitute ___(ii)___ root system.III. Cylindrical stems of ___(iii)___ contain chlorophyll and carry out photosynthesis.IV. ___(iv)___ provides rigidity to leaf blade and act as channel of transport.