STD 12 - 5. molecular basis of inheritance — NEET STD 11 Science — Question

Phytohormones responsible for cell division in callus are ______ and ______.

If shoot cuttings are treated with auxin then

Choose correct statement for ethylene and mark correct option :
(i) It have specific effects on cytokinesis.
(ii) It is a modified form of adenine.
(iii) It does not occur naturally in plants.
(iv) Isolated from coconut milk.
(v) It is highly effective in fruit ripening.
(vi) It enhances the respiration rate during ripening of the fruits.
(vii) It breaks seed and bud dormancy, initiates germination in peanut seeds, sprouting of potato tubers.

Chargaff's rules are applicable to

The cells of cyanobacteria and bacteria exhibit similarity in having

The laws and rules to prevent unauthorised exploitation of bio-resources are termed as

The light energy passes in the form of

If we completely remove the decomposers from an ecosystem, the ecosystem functioning will be adversely affected because