Most Important MCQs of SCIENCE PART I for SSC Board Examination

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Note:
→ The following MCQ as of now covers first 6 chapters of Science I Class 10
→ Each Quiz is of 10 marks only
→ Quiz has timer
→ Questions will appear randomly
→ To practice complete chapters students are supposed to take Quiz again and again.

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Science I – MULTIPLE CHOICE QUESTIONS BASED ON TEXTBOOK

SSC MAHARASHTRA BOARD            CLASS X

Total 10 MCQ here but in board exam 5 will be asked for 5 Marks

1 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

If 220 V potential difference is applied across an electric bulb, a current of 0.45 A flows in the bulb. What must be the power of the bulb?

(A) 99 W          (B) 70 W

(C) 45 W          (D) 22 W

2 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

The halogen which is liquid at room temperature is ………..

(A) fluorine           (B) astetine           

(C) bromine           (D) iodine

3 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

……….. is used to study the anomalous behaviour of water.

(A) Calorimeter                (B) Joule’s apparatus
(C) Hope’s apparatus     (D) Thermos flask

4 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

Heat absorbed when 1gm of ice melts at 0ºC to form 1g of water at the same temperature is ……….. cal.

(A) 80         (B) 800        (C) 540        (D) 54

5 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

The specific latent heat of fusion of ice is ………..

(A) 540 cal/g           (B) 80 cal/g

(C) 800 cal/g             (D) 54 cal/g

6 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

Question Image

7 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

Ice/water is a substance that ……….

(A) expands on melting and contracts on freezing
(B) contracts on melting and does not change in volume on freezing
(C) contracts on melting and expands on freezing
(D) does not undergo change in volume on melting or freezing

8 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

The law of octave was given by ………..

(A) Dobereiner          (B) Newlands           (C) Mendeleev           (D) Moseley

9 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

The specific latent heat of vaporization of water is ……….

(A) 540 cal/g        (B) 800cal/g
(C) 80cal/g            (D) 54cal/g

10 / 10

Select the correct option and write only the alphabet corresponding to the correct option :

The number of electrons in the outermost shell of alkali metals is ……….

(A) 1           (B) 2           (C) 3           (D) 7

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Chapters covered:

1. Gravitation
2. Periodic Classification of Element
3. Chemical reactions and equations
4. Effects of electric current
5. Heat
6. Refraction of light

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