Question: The percentage of plasma in the total blood volume in human beings is about
1. 45
2. 50
3. 55
4. 60
Answer: 3
Question: Which of the following animals does not make any sound?
1. Blue whale
2. Giraffe
3. Jaguar
4. Uma
Answer: 2
Question: The deficiency of which of the following vitamins is considered responsible for night blindness?
1. B
2. E
3. K
4. A
Answer: 4
Question: System of growing plants through water culture methods is known as
1. Hydrotropism
2. Hydrophobia
3. Hydroponics
4. Hydrophytes
Answer: 3
Question: Sieve plate is a part of
1. Cambium
2. Xylem
3. Cortex
4. Pholem
Answer: 4
Question: Pepsin secreting cells of gastric glands are
1. Oxyntic cells
2. Parietal cells
3. Chief cells
4. Goblet cells
Answer: 3
Question: ACTH hormone is secreted from
1. Adrenal cortex
2. Adrenal medulla
3. Pituitary gland
4. Pineal body
Answer: 3
Question: Law of heredity was put forward by
1. Mendel
2. Medeleev
3. Pavlov
4. Koch
Answer: 1
Question: Triple vaccine is administered to a new born child to immunise it agaist
1. Whooping cough, tetanus and measles
2. Whooping cough, tetanus and diphtheria
3. Tetanus, diphtheria, small pox and rubella
4. None of these
Answer: 2
Question: The fur of the animals living in colder regions
1. Protects them from water
2. Traps the air and keeps them warm
3. Protects them appear beautiful
4. makes them appear beautiful
Answer: 2
Question: In sea, plants are restricted up to the depth of
1. 20 m
2. 200 m
3. 1000 m
4. 2000 m
Answer: 2
Question: Which of the following amphibians lacks tongue?
1. Sphenodon
2. Salamander
3. Ichthyophis
4. Necturus
Answer: 3