Autumnal leaf colour is due to

Colour of Bougainvillea flower is due to colour of its

Colour of Bougainvillea flower is due to colour of its

Colour of Bougainvillea flower is due to colour of its

Premature leaf fall occurs due to deficiency of

Amber colour to urine due to

The yellow colour of autumn levaes is due to

Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called as

Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called as

Assertion. Nitrogen deficiency induced purplish colouration in stems, petioles and lower leaf surfaces of some plants. Reason. Purple colour appears due to accumulation of anthocyanin.