neet 2022

Which of the following correctly describes the function of restriction enzymes? (A) It links together two pieces of DNA. (B) It cuts DNA at specific locations. (C) It removes nucleotides only from the ends of the DNA. (D) It catalyzes the synthesis of DNA.

Which of the following statement is INCORRECT with respect to the benefits of GM plants? (A) Reduced reliance on chemical pesticides (B) Early exhaustion of fertility of the soil (C) Enhanced nutritional value of food (D) Reduced post-harvest losses

The nematode Meloidogyne incognita infects which part of the tobacco plant? (A) Leaf (B) Root (C) Flower (D) Stem

Which of the following correctly describes the biochemical nature of Bt toxins? (A) intracellular polysaccharides (B) intracellular crystalline proteins (C) extracellular crystalline proteins (D) intracellular lipids