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 a ray of light passes from a denser medium to a rarer medium in a straight line, the angle of incidence must be …………..

(A) 0°
(B) 30°
(C) 60
(D) 90°

2 / 10

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

A ray of light gets deviated when it passes obliquely from one medium to another medium because …………

(A) the colour of light changes
(B) the frequency of light changes
(C) the speed of light changes
(D) the intensity of light changes

3 / 10

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

Out of the following ………….. has the highest absolute refractive index.

(A)fused quartz
(B) diamond
(C) crown glass
(D) ruby

4 / 10

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

Question Image

5 / 10

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

………… heat is needed to convert 1 g of water at 100 °C and at a pressure of one atmosphere into 1 g of steam under the same conditions.

(A) 80 cal           (B) 540 cal          (C) 89 J          (D) 540 J

6 / 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

7 / 10

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

When steam condenses to form water ………..

(A) heat is absorbed and temperature increases
(B) heat is absorbed and temperature remains the same
(C) heat is given out and temperature decreases
(D) heat is given out and temperature remains the same

8 / 10

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

The direction of the magnetic field around a straight conductor carrying current is given by ……….

(A) the right hand thumb rule           (B) Fleming’s left hand rule

(C)Fleming s right hand rule           (D) none of these

9 / 10

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

Carbon dioxide ……….

(A) turns lime water milky           (B) is odourless         

(C) is colourless                              (D) All the three (A), (B) and (C) are correct

10 / 10

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

Question Image

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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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