Effects of pH on enzymes Multiple Choice Questions (MCQ) PDF - 20

MCQ 96: Amylase becomes denatured at a alkaline pH of

1. 6
2. 7
3. 8
4. 9

MCQ 97: In mammals, Bone marrow produces

1. red blood cells
2. white blood cells
3. platelets
4. antibodies

MCQ 98: Root pressure is enhanced as the

1. water is needed in leaves for photosynthesis
2. cells around xylem are low in salts and amino acids
3. more water is available for the plant
4. concentration gradient makes osmosis happen at a greater speed

MCQ 99: Structural component of hemoglobin is

1. manganese
2. zinc
3. iron
4. chorine

MCQ 100: Thyroxin is secreted from

1. thiamine deficiency
2. theological inheritance
3. thyroid glands
4. muscles used for breathing