NSO Level 1- Science Olympiad (SOF) Class 10: Questions 728 - 731 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. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 450.00 or

How to register?

Question number: 728

» Carbon and Its Componds

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the column and mark the correct option from the code given below.

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

Methane

(i)

(B)

Propane

(ii)

(C)

Pentane

(iii)

(D)

Butane

(iv)

Choices

Choice (4)Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (iii)
  • (iv)
  • (i)
  • (ii)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (ii)
  • (iii)
  • (iv)
  • (i)

d.

  • (i)
  • (iv)
  • (ii)
  • (iii)

Question number: 729

» Chemical Reactions and Equation

Edit
MCQ▾

Question

The molecules of oxygen for balanced equation is,

Choices

Choice (4)Response

a.

5

b.

3

c.

6

d.

2

Question number: 730

» Our Environment and Its Management

Edit
MCQ▾

Question

Primary consumers fit in to ________ trophic level

Choices

Choice (4)Response

a.

First

b.

Third

c.

Second

d.

Forth

Question number: 731

» Light - Reflection and Refraction

Edit
MCQ▾

Question

Select the only incorrect option in case of a convex mirror:

Choices

Choice (4)Response

a.

Table of the case of a convex mirror

Table of the case of a convex mirror

Object position

Image position

Image size

Nature of image

Behind the object

Larger than the object

Virtual and Erect

b.

Table of the case of a convex mirror: Choice B

Table of the case of a convex mirror

Object position

Image position

Image size

Nature of image

At the Focus

At infinity

Smaller than the object

Virtual and Erect

c.

Table of the case of a convex mirror: Choice C

Table of the case of a convex mirror

Object position

Image position

Image size

Nature of image

Beyond

Larger than the object

Real and inverted

d.

Table of the case of a convex mirror: Choice D

Table of the case of a convex mirror

Object position

Image position

Image size

Nature of image

At

At on the other side of the lens

Same size of the object

Real and inverted

Developed by: