Biology

Q. Which of the following is a bacterial plant disease : (a) Tikka disease of Groundnut (b) Downy mildew of Grapes (c) Ring rot of Potato (d) Red rot of…

Q. Maize hybrids have been developed for higher amount of : (a) Methionine (b) Lysine (c) Leucine (d) Cysteine Solution : Correct option : B High lysine corn contains increased…

Q. In callus culture, roots can be induced by the supply of : (a) Ethylene (b) Gibberellin (c) Cytokinin (d) Auxin Solution : Correct option : D Auxins are the…

Q. Species of Saccharum originally grown in North India was : (a) S. officinarum (b) S. barberi (c) S. boulardii (d) S. munja Solution : Correct option : B Saccharumbarberi is originally native…