Life Process MCQs
Direction (Q67 to Q68): Match Column I with Column II.
67.
| Column I | Column II |
| Animal | Respiratory Organ |
| (i) Fish | (A) Trachea |
| (ii) Birds | (B) Gills |
| (iii) Aquatic Arthropoda | (C) Lungs |
| (iv) Earthworm | (D) Moist cuticle |
Answer/Explanation
Answer:
Explanation:
(i) (B)
(ii) (C)
(iii) (A)
(iv) (D)
68.
| Column I | Column II |
| Region of digestive system | Digestive juice |
| (A) Mouth | (i) Pancreatic juice |
| (B) Stomach | (ii) Intestinal juice |
| (C) Duodenum | (iii) Gastric juice |
| (D) Small intestine | (iv) Saliva |
Answer/Explanation
Answer:
Explanation:
(A) (iv)
(B) (iii)
(C) (i)
(D) (ii)
69. Glomerulus acts as a dialysis bag. [True/ False]
Answer/Explanation
Answer:
Explanation: True
70. Bowman’s capsule is found in heart. [True/False]
Answer/Explanation
Answer:
Explanation: False
71. Peristaltic movement of muscles occurs in the mouth to push food into alimentary canal. [True/False]
Answer/Explanation
Answer:
Explanation: False
72. The release of energy in aerobic process is less than in anaerobic process. [True/False]
Answer/Explanation
Answer:
Explanation: False
73. Before testing for starch, chlorophyll has to be removed from the leaf as it interferes in the test for starch due to its green colour. [True/False]
Answer/Explanation
Answer:
Explanation: True
74. The process in which the absorbed food is taken in by body cells and used for energy, growth and repair is called egestion. [True/False]
Answer/Explanation
Answer:
Explanation: False
75. The length of small intestine in a human adult is about 3.5 m. [True/False]
Answer/Explanation
Answer:
Explanation: False
76. Carbohydrates are the components of our food which is digested by an enzyme which is present in saliva as well as in pancreatic juice. [True/False]
Answer/Explanation
Answer:
Explanation: True
77. Cytoplasm are the sites of aerobic respiration in the cells. [True/False]
Answer/Explanation
Answer:
Explanation: False
78. The respiration in plants occurs at a fast rate whereas the respiration in animals occur at a much slower rate. [True/False]
Answer/Explanation
Answer:
Explanation: False
79. What do you mean by life processes?
Answer/Explanation
Answer:
Explanation:
Processes which perform maintenance job in our body.
80. Name the activity of living beings which considered as indication of life?
Answer/Explanation
Answer:
Explanation: Movement.
81. Name the basic requirement of living organisms needed to obtain energy.
Answer/Explanation
Answer:
Explanation: Food
82. Name the process by which plants prepare food.
Answer/Explanation
Answer:
Explanation: Photosynthesis
83. Mention the raw materials required for photosynthesis. [CBSE 2014]
Answer/Explanation
Answer:
Explanation:
The raw materials required for photosynthesis are carbon dioxide and water in presence of sunlight and chlorophyll.
84. Name four nutrients needed by the plants which are taken up from the soil.
Answer/Explanation
Answer:
Explanation:
Nitrogen, phosphorus, iron, and magnesium.
85. Name the cell organelle in which photosynthesis occur. [DoE]
Answer/Explanation
Answer:
Explanation: Chloroplast