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Each of the following questions/statements has four suggested answers. Rewrite the correct answer in each case.(i) Typhoid is classified as a : (A) Viral disease (B) Genetic disorder (C) Bacterial disease (D) Protozoan disease(ii) Bt cotton is resistant to : (A) Insects (B) Herbicides (C) Salt (D) Drought(iii) Roots and shoots lengthen through the activity of: (A) Apical meristem (B) Vascular cambium (C) Lateral meristem (D) Cork cambium(iv) An antiviral protein released from infected and dying cells is : (A) Antigen (B) Antibody (C) Antiserum (D) Interferon(v) Opening and closing of stomata is due to (A) Ca2+ (B) Na+ (C) K+ (D) CL |
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Answer» (i) Bacterial disease. (ii) Insects. (iii) Apical meristems. (v) K+ (iv) Interferon. |
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