Plant horones area usually

Plant roots are usually devoid of chlorophyll and cannot perform photosynthesis. However, there are exceptions. Which of the following plant root can perform photosynthesis ?

Plants with brightly coloured flowers are usually pollinated by________

Plant nutrition is usually referred to as mineral nutrition. Explain.

Haploid plants are usually fertile.

Insectivorous plants are usually adapted to:

(A) : Biogas plants are usually build in rural areas. Cattle dung is available in large quantities.

The plants are usually under negative pressure during hours of

Polluted water bodies have usually very high abundance of plants like Nostoc and Oscillitroia. Give reasons.