BSEB 10th Science Viral Question

BSEB 10th Science Viral Question:- If you are a student of Bihar Board and this time you are going to give matriculation examination in 2023 then all of you have been given 20 Science questions which are always asked in the examination. BSEB 10th Science Viral Question

If you want to get good marks in the Bihar Board Matriculation exam, read all the questions given here carefully and remember that many more questions will be asked in the examination.

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1. Tyndall effect represents which phenomenon of light?

(A) reflection of light
(B) refraction of light
(C) dispersion of light
(D) scattering of light

Ans – B

2. Which of the following is an unsaturated hydrocarbon

(A) CH4
(B) C2H6
(C) C2H4
(D) none of these

Years – C

3. Which of the following compounds can be used as fuel

(A) Ethanol
(B) Propanol
(C) ethanoic acid
(D) all of these

Years – D

4. Which of the following forms the food chain

(A) Grass Wheat and Mango
(B) Grass Goat and Human
(C) Goat Cow and Elephant
(D) Dhaas Fish and Goat

Ans – B

5. How many cells are there in the human heart

(A) 2
(B) 3
(C) 4
(D) 5

Years – C

6. The loss of oxygen in a substance during a chemical reaction is called

(A) oxidation
(B) reduction
(C) Maintenance
(D) none of these

Ans – B

7. The number of group in the modern periodic table is

(A) 7
(B) 8
(C) 9
(D) 19

Years – D

8. Tin is coated instead of zinc on food cans because

(A) zinc is more expensive than tin
(B) zinc has a higher melting point than tin
(C) zinc is more reactive than tin
(D) zinc is less reactive than tin

Years – C

9. Which of the following is an example of revival

(A) Hydra
(B) amoeba
(C) Spirogyra
(D) none of these

Ans – A

10. A rectangular coil of copper wire is rotating in a magnetic field after how many revolutions does the direction of the induced current in this coil change?

(A) two
(B) one
(C) half
(D) one fourth

Years – C

11. What is the number of electrons in the wah end orbit of the sulfur atom?

(A) 4
(B) 5
(C) 6
(D) 7

Years – C

12. How many oxygen atoms are there in one molecule of glucose?

(A) 4
(B) 6
(C) 8
(D) 12

Ans – B

13. No. According to the Cartesian sign convention the object distance of an object placed in front of a mirror is taken as

(A) positive
(B) negative
(C) sometimes positive sometimes negative
(D) none of these

Ans – B

14. Where is bile secreted?

(A) Pancreas
(B) liver
(C) small intestine
(D) none of these

Ans – B

15. Which of the following is a malaria parasite

(A) Plasmodium
(B) Leishmania
(C) Protozoa
(D) none of these

Ans – A

16. The process of forming a thick oxide layer on aluminum is called

(A) Jassification
(B) anodization
(C) Prosperity Karan
(D) none of these

Ans – B

17. The far point for the normal eye is

(A) 25 meters
(B) 25 cm
(C) 25 mm
(D) Infinite

Ans – B

18. Which gas is responsible for global warming

(A) carbon dioxide
(B) Oxygen
(C) Nitrogen
(D) none of these

Ans – A

19. Which is a non-biodegradable waste

(A) tissue paper
(B) Banana peel
(C) Thermocol
(D) all of these

Years – C

20. Which of the following lens has positive focal length

(A) concave lens
(B) convex lens
(C) concave – plane lens
(D) none of these

Ans – B

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