Biology - Single MCQs (Page 345)

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Q3441. N2 content is kept constant in the biosphere due to?...Q3442. Placenta is the structure formed?...Q3443. Pyorrhoea is a disease of the?...Q3444. Primary phloem develops from?...Q3445. Potato is a modified form (outgrowth) of?...Q3446. out of proteins, lipids and carbohydrates present in a cell membrane, what is tr...Q3447. Nucleus, the genetic material containing rounded body in each cell, was first di...Q3448. Plant development is influenced by?...Q3449. Plants absorb most part of water needed by them through their?...Q3450. Plants synthesis protein from?...