NSO Level 1- Science Olympiad (SOF) Class 10: Questions 275 - 279 of 986

Access detailed explanations (illustrated with images and videos) to 986 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 275

» Periodic Classification of Elements

Edit
MCQ▾

Question

Which are the correct statements for carbon and silicon?

Statement 1: Both carbon and silicon are members of the IVA family on the periodic table.

Statement 2: Carbon is a metal but silicon is non-metals.

Statement 3: Silicon is only a little bit more metallic than carbon because it loses its electrons a little more easily.

Choices

Choice (4) Response

a.

Statements 2 and 3 are correct

b.

Statements 1 and 3 are correct

c.

Statements 1 and 2 are correct

d.

Statements 1,2 and 3 are correct

Passage

Direction: Observe the following diagram and answer the question below

Image of the hypermetropia

Image of the Hypermetropia

Image of the hypermetropia

Question number: 276 (1 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

Hypermetropia is a defect of vision in which a person can

Choices

Choice (4) Response

a.

Not able to see nearby objects comfortably and clearly

b.

Able to see nearby objects comfortably and clearly

c.

Not see distant objects clearly and distinctively

d.

None of the above

Question number: 277 (2 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

For correct Hypermetropia, lens uses is

Choices

Choice (4) Response

a.

Concave lens

b.

Not need any lenses

c.

Any lens is used

d.

Convex lens

Question number: 278 (3 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

A Hypermetropia eye has its least distance of distinct vision

Choices

Choice (4) Response

a.

Less than 25 cm

b.

Greater than 20 cm

c.

Greater than 25 cm

d.

Less than 20 cm

Question number: 279 (4 of 4 Based on Passage) Show Passage

» Human Eye and Colourful World

Edit
MCQ▾

Question

Hypermetropia is caused due to

Choices

Choice (4) Response

a.

Reduction in the curvature of the lens

b.

Increase in the length of the eyeball

c.

None of the above

d.

All of the above