The modified stem in grasses, strawberry Chrysanthemum is concerned with special functie i.e., br i-Food storage ,br ii- Vegetative propagation, br iii- Assimilation, br iv- Spread to new niches, br v- Perennation,

In C_4 plants, bundle sheath cells are characterised by how many features given below? Br i. Large cells, br ii- Having large number of agranal chloroplasts, br iii- Thin walled ,br iv- Impervious to gaseous exchange, br v- Presence of intercellular space.

Phytochemistry as a criterion for the classification of organisms is also used by taxonomist in br i. Artificial system, br ii. Cytotaxonomy ,br iii: Chemotaxonomy, br iv. Phenetics

Stems that spread to new niches but do not help to tide over the unfavourable conditions of growth i.e., perennation is found in

Stems that spread to new niches but do not help to tide over the unfavourable conditions of growth i.e., perennation is found in

Which statements are true about heterocyst? Br (a) Thick cell wall is permeable to oxygen , br (b) it lacks PS-II, br (c) PS-I remains active which generates ATP required to fix nitrogen.

Match the following columns and select the correct option a. UAG (i) Codes for amino acid Tryptophan. br b. (ii)AUG Start codon . br c. GUG (iii) Ambiguous codon. br d. UGG (iv) Nonsense codon

The common asexual spore in algae is , Br i-Thin-walled, br ii- Always biflagellated, iii-Non-motile endogenous, iv. Motile and perennating , V. Endogenous, motile & dispersing also , vi. Exemplified by green, brown & red algae.

Which of the following sets of three elements (triads) follow D ddot(o) bereiner's relatiship referred to as the law of triads? (i) Ca,Sr, Br (ii) Li, Na, K (iii) S, Se, Te (iv) C1, Br, I