If chloropyll is absent in leaves, plants cannot synthesize ………

(a) In dicots, vascular bundles are conjoint, collateral and open type. Cambium is present between xylem and phloem for secondary growth. (b)  Whereas in monocots, vascular bundles are conjoint, collateral and...

Answer is (B) i, ii only

Answer is (D) B12

A) Dicotyledons

A) P, Q both are true

Frequency of UV rays is greater than infrared rays, hence UV rays are much more energetic than infrared rays. Plants cannot tolerate the exposure of high energy rays. As a...

Chemical reaction given by Van Niel:  6CO2 + 12H2S → C6H12O6 + 6H2O + 12S ↓  Van Niel’s postulate:  Green plants use water in place of H2S and O2 is evolved in place of...

Please tell if my answer is correct or not.