Bihar Board Class 10 Science Question Paper 2024 PDF with Answer Key, Download PDF Here

BSEB 10th Science Question Paper 2024: The Bihar School Examination Board (BSEB), or Bihar Board, is the state-level educational board. Every year, it conducts matric and intermediate examinations in the state of Bihar. The 2024 BSEB matric examination started on February 15, 2024. This schedule is planned until February 23, 2024. On Tuesday, February 20, 2024, the Bihar Board Class 10 Science exam was conducted in two shifts. The shift 1 (9:00 a.m. to 12:15 p.m.) was allocated for the BSEB Science 10th paper 2024 (Code: 112).

Students completed the examination on time. The question paper had a total of 110 questions, of which only 55 had to be attempted. Students who appeared for the examination are now wondering whether they did the paper correctly or not. To know that, you can compare your answers with the provisional answer key provided here. You can also download the FREE PDF of the BSEB 10th Science 2024 question paper.

Bihar Board 10th Science Exam 2024: Highlights

A few highlights for the BSEB Science matric exam 2024: 

Bihar Board Class 10 Science 2024 Question Paper

The BSEB 10th Science exam 2024, conducted on February 20, 2024, comprises questions from Physics, Chemistry and Biology in equal proportions. There were a total of 110 questions, out of which students had to attempt 55. The first section consisted of objective-type questions, followed by short and long-answer-type questions in the second section. For a better understanding, check out the table below:

The PDF of the question is provided here that you can be able to download by clicking on the image below:

Bihar Board BSEB Class 10 Science Answer Key 2024 (Provisional)

The BSEB Class 10 Science paper was an important subject, so curiosity to know its answers is normal. We will try to update the provisional answer key here so that students can refer to it to match their answers. It is suggested that discussing the question paper with your teachers would be a better option.

The questions are from Set A:

1. Which of the following lenses is used to remove short sightedness?

(A) Cylindrical

(B) Convex

(C) Concave

(D) Bifocal

Answer: (C) Concave

2. Most of the refraction of the light rays entering the eye occurs at

(A) Interface of eye lens

(B)Interface of aqueous humour

(C) Outer surface of cornea 

(D) None of these

Answer: (C) Outer surface of cornea

3. Which of the following is the unit of power of lens?

(A) dioptre

(B) wat

(C) erg

(D) joule

Answer: (A) dioptre

4. What type of lens is found in human eye ?

(A) Convex

(B) Bifocal

(C) Concave

(D) Cylindrical

Answer: (A) Convex

5. Which mirror is used as shaving mirror?

(A) Concave Mirror

(B) Convex Mirror

(C) Plane Mirror

(D) None of These 

Answer: (A) Concave Mirror

6. If the image of an object formed by a concave mirror is virtual, erect and larger than the object then where should be the location of the object?

(A) Beyond the centre of curvature

(B) Between principal focus and centre of curvature 

(C) At the centre of curvature 

(D)Between the pole and the principal focus of the mirror

Answer: (D)Between the pole and the principal focus of the mirror

7. The capacity to bend rays of light is called

(A) the power of Iens

(B) the reciprocal of the power of the lens

(C) the power of accommodation of the lens

(D) none of these

Answer: (C) the power of accommodation of the lens

8. The image obtained by a concave lens is

(A) diminished

(B) erect

(C) virtual

(D) all of these

Answer: (D) all of these

9. The radius of curvature of a concave mirror of focal length 20 cm is

(A) 15 cm

(B) 10 cm

(C) 40 cm

(D) 60 cm

Answer: (C) 40 cm

10. A white ray is incident obliquely on a glass slab. Which of the following occur with the first refraction?

(A) Deviation

(B) Total reflection

(C) Dispersion

(D) All of these

Answer: (A) Deviation

11. In domestic electric circuits, the colour of neutral wire is

(A) Red

(B) Green

(C) Black

(D) Yellow

Answer: (C) Black

12. In which device does the split ring act as a commutator

(A) Electric motar

(B) Galvanometer

(C) Voltmeter

(D) Electric generator

Answer: (D) Electric generator

13. The device which directly coverts solar energy into electricity is

(A) Daniel cell

(B) Dry Cell

(C) Solar cell

(D) Eveready cell

Answer: (C) Solar cell

14. The resistance of the filament of an electric bulb is 1200 ohms. How much electric current will the bulb draw from an electric source of 220 volts?

(A) 12 ampere

(B) 2.8 ampere

(C) 2 ampere

(D) 0.18 ampere

Answer: (D) 0.18 ampere

15. The electromotive force of a cell is 1.5 V. The work done on passing a charge of 1 C will be

(A) 1.5 V

(B) 3 J

(C) 1.5 J

(D) 0

Answer: (C) 1.5 J

16. Why is a rainbow colourful?

(A) Dispersion of white light by water droplets

(B) Absorption of water droplets

(C) Dispersion of white light by air

(D) None of these

Answer: (A) Dispersion of white light by water droplets

17. Out of a combination of resistors, one resistor is removed and it is found that the net resistance has increased. The resistor was connected in

(A) parallel

(C) cannot be said

(B) series

(D) none of these

Answer: (A) Parallel

18. Two appliances rated as (60 W, 200 V) and (40 W, 200 V) are connected across 100 V supply in a room. The total power consumed is

(A) 25 W

(B) 10 W

(C) 15 W

(D) none of these

Answer: (D) none of these

28. The general formula of an alkene is 

(A) CnH_2n+2

(B) CnH_2n-2

(C) CnH_2n

(D) CnH_2n-1

Answer: (C) CnH_2n

31. Which of the following is the chemical formula of glucose ?

(A) C₂H₂OH

(B) CHO

(C) C₆H₁₂O₆

(D) C₆H₆

Answer: (C) C₆H₁₂O₆

Stay tuned for more answers..

Check the BSEB Class 10 Science 2024 Paper analysis to know its difficulty level and expert review.

Related:

• BSEB Class 10 Syllabus 2024
• BSEB Class 10 Model Paper 2024
• BSEB Date Sheet 2024