NSO Level 1- Science Olympiad (SOF) Class 10: Questions 503 - 506 of 986
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Question number: 503
» Periodic Classification of Elements
Question
Read the given statements and mark the correct option.
Statement 1: Limitations of Mendeleev’s classification the atomic masses do not increase in a regular manner in going from one element to the next.
Statement 2: Modern Periodic Law is Properties of the elements are the periodic function of their atomic numbers.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Only statement 2 is correct | |
b. | Statements 1 and 2 are incorrect | |
c. | Statements 1 and 2 are correct | |
d. | Only statement 1 is correct | |
Question number: 504
Question
Which is not a physical property of carbon?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Carbon is Very brittle. | |
b. | Diamond is highly transparent | |
c. | Graphite is insulator of electrical conductivity. | |
d. | Graphite, diamonds and coal are all nearly pure forms of carbon | |
Passage
Direction: Observe the following diagram and answer the question below
Image of the Eye and Lens
Question number: 505 (1 of 4 Based on Passage) Show Passage
» Human Eye and Colourful World
Question
The lens in the eye and concave lens are serve the same general purpose.
What is that purpose?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | To reduce the amount of that enters the eye | |
b. | To refract light | |
c. | To open up the eye to light | |
d. | To reflect light | |
Question number: 506 (2 of 4 Based on Passage) Show Passage
» Human Eye and Colourful World
Question
What is the true about the condition of myopia?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | The lens of the eye is too thin | |
b. | The image focuses after in reaches it the retina | |
c. | The eye from front to back is longer than normal | |
d. | All of the above | |