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CBSE Annual Exam Science Question paper 2025 can be downloaded from the link below.
Some sample questions asked are:
1. Consider the following reactions :
(i) Dilute hydrochloric acid reacts with sodium hydroxide.
(ii) Magnesium oxide reacts with dilute hydrochloric acid.
(iii) Carbon dioxide reacts with sodium hydroxide.
It is found that in each case :
(A) Salt and water is formed.
(B) Neutral salts are formed.
© Hydrogen gas is formed.
(D) Acidic salts are formed.
2. Secretion of less saliva in mouth will effect the conversion of
(A) proteins into amino acids
(B) fats into fatty acids and glycerol
© starch into simple sugars
(D) sugars into alcohol
3. Draw labelled diagrams to show different stages of budding in Hydra.
4. Draw ray diagrams to show the nature, position and relative size of the image formed by a convex mirror when the object is placed (i) at infinity and (ii) between infinity and pole P of the mirror.
5. List two precautions to be taken to avoid electrical accidents. State how these precautions prevent possible damage to the circuit/appliance.
For detailed question paper click below:
CBSE Annual Exam 2025 Question Paper Science.pdf (Size: 702.84 KB / Downloads: 2)
Some sample questions asked are:
1. Consider the following reactions :
(i) Dilute hydrochloric acid reacts with sodium hydroxide.
(ii) Magnesium oxide reacts with dilute hydrochloric acid.
(iii) Carbon dioxide reacts with sodium hydroxide.
It is found that in each case :
(A) Salt and water is formed.
(B) Neutral salts are formed.
© Hydrogen gas is formed.
(D) Acidic salts are formed.
2. Secretion of less saliva in mouth will effect the conversion of
(A) proteins into amino acids
(B) fats into fatty acids and glycerol
© starch into simple sugars
(D) sugars into alcohol
3. Draw labelled diagrams to show different stages of budding in Hydra.
4. Draw ray diagrams to show the nature, position and relative size of the image formed by a convex mirror when the object is placed (i) at infinity and (ii) between infinity and pole P of the mirror.
5. List two precautions to be taken to avoid electrical accidents. State how these precautions prevent possible damage to the circuit/appliance.
For detailed question paper click below:
CBSE Annual Exam 2025 Question Paper Science.pdf (Size: 702.84 KB / Downloads: 2)