Question

D. CHOOSE THE APPROPRIATE ANSWER
10X110
1. People who made mariner's compass for the first time
a)Indians
b)Europeans c)Chinese d)Egyptians
2. A
A freely suspended magnet always always comes to rest in the ----------direction
a)North-East b)South west c)hit with a hammer d)North-south
3. Mariner's compass is used to find the
a speed
b)displacement c)direction d)motion
Identify the fresh water ecosystem
a)pond
blake
c)river
d)all of them
Producers are
0.
It is a biodegradable waste-----
a)plastic
b)coconut shell c)glass
d)aluminum
7. Usage of chemical pesticides and fertilizers causes--- ---pollution
alair pollution b)water pollution c)noise pollution d)none of the above
8.
Natural mosquito repellont is--------
b)bamboo c)ginger
d) neem
9. Which of following is not a root?
a)potato
b)carrot
c)radish
d)turnip
10. Which is the National tree of India ?
black tree c)Banyan tree d)Mango tree
a)nut mag​

Answer 1

Answer:

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Answer 2

Explanation:

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