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Human Evolution
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1. The term ecosystem is first given by?
|
Tansley
|
|
2. Bile is stored in
|
Gall Bladder
|
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3. Major aerosol pollutant in jet plane
emission is?
|
fluorocarbon
|
|
4. Which gas is responsible for global
warming?
|
carbon
dioxide and methane
|
|
5. Human evolution is originated in?
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AFRICA
|
|
6. Which type of DNA is found in bacteria?
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circular DNA
|
|
7. For a color blind person red color appear
as?
|
green
|
|
8. Unit of heredity is ?
|
Gene
|
|
9. When an ants bits they inject?
|
Formic acid
|
|
10. BOD is ?
|
Biological Oxygen Demand.
|
|
11. Why are noble gases called so?
|
due to their
chemical inertness
|
|
12. On adding little phosphorous to silicon
we get?
|
metallic
|
|
13. Who is the father of chemistry ?
|
Lavoisier
|
|
14. The hybridization of carbon in benzene
is?
|
sp^2
|
|
15. Starch is the polymer of?
|
glucose
|
|
16. Longest Dam in India
|
Hirakund Dam
|
|
17. Salicylic acid is used?
|
as an
antiseptic
|
|
18. Lead in water can cause?
|
kidney
damage
|
|
19. Depletion of ozone layer causes?
|
skin cancer
|
|
20. The people of the Indus valley
civilization usually built their houses of
|
Pucca bricks
|
|
21. Glaciers always melt at the.....first?
|
bottom
|
|
22. Calorimeters are generally made of?
|
copper
|
|
23. Metal tea pots have wooden handles
because?
|
wood is the
bad conductor of heat
|
|
24. Pitch of sounds depends on?
|
frequency
|
|
25. The Doppler's effect is applicable for?
|
light wave
and sound wave
|
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