STD 11 - 3. Plant kingdom — NEET STD 11 Science — Question

Phenetic classification of organisms is based on

Which of the following characters for leaves are not correct from given characters ?
(i) In peas, leaves are modified into tendrils for climbing.
(ii) In cacti, leaves are modified into spines for defence.
(iii) The fleshy leaves of onion and garlic store food.
(iv) In Australian acacia, rachis expand, become green and synthesise food.
(v) Leaves of certain insectivorous plants such as pitcher plant, venus-fly trap are also modified leaves.

Amongst animals, insects comprise

To remove seed dormancy, we can treat seed by using this chemical.

High growth at the time of exponential phase of human population growth curve is due to

Folding of inner membrane of mitochondria are called

Which of the following represents an advantage of growing cells in continuous culture as compared to a shake flask?

Alga rich in protein is

Humus is