Q. 1. Agrostology is the science of study of -
Answer : Grass.
Q. 2. Universal receiver can receive blood from -
Answer : Groups O, A, B, AB.
Answer : Newton’s first law of motion.
Q. 4. Which wave does not carry energy?
Answer : Stationary wave.
Q. 5. Oil Spreads over the surface of water because
Answer : Oil has less surface tension than water.
Q. 6. The ecological relationship between flowers and insects with regard to pollination is -
Answer : Mutualism.
Q. 7. The most abundant natural polymer in plant kingdom is -
Answer : Cellulose.
Q. 8. To make rubber strong and bounceable, we add -
Answer : Sulphur.
Q. 9. In fermentation, there is invariably the formation of -
Answer : Ethyl alcohol.
Q. 10. All the populations in a given physical area are defined as -
Answer : Biotic community.
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