Most Important MCQs of SCIENCE PART I for SSC Board Examination

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→ The following MCQ as of now covers first 6 chapters of Science I Class 10
→ Each Quiz is of 10 marks only
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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 :

Alkaline earth metals have valency 2. This means that their position in the modern periodic table is in ……….

(A) Group 2           (B) Group 16           (C) Period 2           (D) d-block

2 / 10

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

The density of water is maximum at ………..

(A) 0 °C           (B) —4 °C           (C) 100 °C           (D) 4 °C

3 / 10

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

A ray of light strikes a glass slab at an angle of 50° with the normal to the surface of the slab. What is the angle of incidence ?

(A) 50°
(B) 25°
(C) 40°
(d) 100°

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 :

The Δ sign written above the arrow indicates ………. of the reaction.

(A) reactant           (B) product           

(C) heat                  (D) direction of the reaction

6 / 10

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

Molecular formula of the chloride of an element X is XCl. This compound is a solid having high melting point. Which of the following elements be present in the same group as X.

(A) Na           (B) Mg           (C) Al           (D) Si

7 / 10

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

If a ray of light propagating in air strikes a glass slab at an angle of 30° with the normal to the surface of the slab, the angle of refraction is ……………

(A) more than 30°
(B) less than 30°
(C) 60°
(D) 30°

8 / 10

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

…………. light is deviated the maximum in the spectrum of white light obtained with a glass prism.

(A) Red
(B) Yellow
(C) Violet
(D) Blue

9 / 10

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

Question Image

10 / 10

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

When water boils and is converted into steam, then ………..

(A) heat is taken in and temperature remains constant
(B) heat is taken in and temperature rises
(C) heat is given out and temperature lowers
(D) heat is given out and temperature remains constant

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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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