General Science: Biology MCQ Question and Answer
Q61. Which of the following has the largest number of chromosomes ?
(a) Human beings
Q62. Which of the following induces nitrogen fixation in soil?
Q63. Which one of the following is not a photosynthetic pigment?
Q64. The phenomenon of genetic mutation cannot occur in
Q65. Presence of large amounts of nutrients in waters also causes excessive growth of _________ algae.
(a) Biomag nification
(b) Algal bloom
(d) Eutro phication
Q66. Consider the following plants
Which of these plants are propagated by stem cuttings?
(a) 1 and 2
(b) 2, 3 and 4
(c) 1, 3 and 4
(d) 1, 2, 3 and 4
Q67. The main function of the Golgi body is
(b) to begin cell division
(c) to produce gastric juice
Q68. What vessel carries the venous blood to the lungs for oxygenation?
(a) Pulmonary arteries
(b) Pulmonary veins
(c) Pulmonary arterio-venous shunt
(d) Right ventricle
Q69. Match List-I with List-II and select the answer using the codes given below:
|A. Malaria||1. Fungi|
|B. Poliomyelitis||2. Bacteria|
|C. Tuberculosis||3. Virus|
|D. Ringworm||4. Protozoan|
(a) A-4; B-3; C-2; D-1
(b) A-4; B-3; C-1; D-2
(c) A-3; B-4; C-1; D-2
(d) A-3; B-4; C-2; D-1
Q70. The following sugar gives energy most readily–