1. During respiration, the gases enter into the blood and leave the same by the process of....?
1. Active transport
2. Diffusion
3. Diffusion and Active transport
4. Osmosis
2. A process which is not helpful in the prevention of rusting of iron is...?
1. annealing
2. applying grease
3. galvanising
4. painting
3. The soil salinity is measured by.....?
1. hygrometer
2. conductivity mete
3. Psychrometer
4. Auxanometer
4. The largest ecosystem of the earth is........?
1. Biome
2. hydrosphere
3. Lithosphere
4. Biosphere
5. DNA fingerprinting is used to identify the.......?
1. Parents
2. rapist
3. thieves
4. All the above
6. Syrinx is the voice box in .....?
1. Amphibians
2. Reptiles
3. Birds
4. Mammals
7. Which of the following Metals causes Itai- itai disease?
1.Cadmium
2. chromium
3. cobalt
4. copper
8. The outermost layer of sun is called........?
1. chromosphere
2. Photosphere
3. Corona
4. Lithophere
9. Which type of glass is used for making reinforced plastic?
1. pyrex glass
2. flint glass
3. quartz glass
4. fibre glass
10.The tissues in man where no cell division occurs after birth is.......?
1. skeletal
2. nerves
3. connective
4. germinal
Answers
1-2
2-1
3-2
4-1
5-4
6-3
7-1
8-3
9-4
10-2
1. Active transport
2. Diffusion
3. Diffusion and Active transport
4. Osmosis
2. A process which is not helpful in the prevention of rusting of iron is...?
1. annealing
2. applying grease
3. galvanising
4. painting
3. The soil salinity is measured by.....?
1. hygrometer
2. conductivity mete
3. Psychrometer
4. Auxanometer
4. The largest ecosystem of the earth is........?
1. Biome
2. hydrosphere
3. Lithosphere
4. Biosphere
5. DNA fingerprinting is used to identify the.......?
1. Parents
2. rapist
3. thieves
4. All the above
6. Syrinx is the voice box in .....?
1. Amphibians
2. Reptiles
3. Birds
4. Mammals
7. Which of the following Metals causes Itai- itai disease?
1.Cadmium
2. chromium
3. cobalt
4. copper
8. The outermost layer of sun is called........?
1. chromosphere
2. Photosphere
3. Corona
4. Lithophere
9. Which type of glass is used for making reinforced plastic?
1. pyrex glass
2. flint glass
3. quartz glass
4. fibre glass
10.The tissues in man where no cell division occurs after birth is.......?
1. skeletal
2. nerves
3. connective
4. germinal
Answers
1-2
2-1
3-2
4-1
5-4
6-3
7-1
8-3
9-4
10-2