1. The respiratory organ of man is ____________.
a) lungs b) heart c) liver d) kidney
2. Muscular organ which pump blood to all part of the body is ____________.
a) pancreas b) intestine c) brain d) heart
3. What one is filled in the bulb of a thermometer ___________.
a) silver b) mercury c) copper d) lead
4. Roof of the forest made by the branches of tall trees is called ____________.
a) trunk b) understorey c) canopy d) crown
5. The blood is composed of the fluid called as ____________.
a) platelets b) RBC c) WBC d) plasma
6. Sewage is mainly a ___________.
a) liquid waste b) solid waste
c) gaseous waste d) mixture of solid and gas
7. Micro organism act upon the dead plants to produce ____________.
a) Sand b) humus c) Mushroom d) wood
8. What is the formula of rust _____________.
a) Fe2o4 b) Feo c) Fe3o d) Fe2O3
Answers
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Answer:
1. (a) Lungs
2. (d) Heart
3. (b) Mercury
4. (c) Canopy
5. (d) Plasma
6. (d) Mixture of solid and gas (not sure)
7. (b) Humus
8. (d) Fe2O3
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heyy mate... here is ur answer...
1. (the answer is not in the options)
The respiratory organ of man is testies.
2.Muscular organ which pump blood to all parts of body is Heart.
3.What one is filled in the bulb of thermometer mercury.
4.Roof of forest made by the branches of tall trees is called canopy.
5.The blood is composed of a fluid called as plasma.
6.Sewage is mainly a liquid waste.
7.Micro organisms act upon the dead plants to produce humas.
8.What is the formula of rust. Fe2O3 . XH2O
hope it helps you...
all the best
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