NSO Level 1- Science Olympiad (SOF) Class 9: Questions 742 - 749 of 1123
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Question number: 742
Question
The volumes of a two cylinders are as , and their heights are as . Find the ratio of their diameters.
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Question number: 743
Question
Penicillin is effective against
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Protozoa | |
b. | Virus | |
c. | Bacteria | |
d. | Fungi | |
Question number: 744
» Biology » Improvement in Food Resources
Question
Crossing between genetically dissimilar plants is known as
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Hybridisation | |
b. | Hibernation | |
c. | Vaccination | |
d. | Fertilization | |
Question number: 745
» Chemistry » The Nature of Matter
Question
Which of the following is an example of a gaseous solution?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Brass | |
b. | Air | |
c. | Salt solution | |
d. | Steel | |
Question number: 746
Question
In a Dam, 25 cm of rain falls. The volume of water that falls on 5 hectares of river is:
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Question number: 747
» Biology » Diversity of Living Organisms
Question
Which of these are cold blooded animals?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Reptiles | |
b. | Aves | |
c. | Pisces | |
d. | Both a. and c. are correct | |
Question number: 748
Question
If and , then the value of is ________.
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a. |
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c. |
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d. |
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