Sample Question Paper High School Examination – 2026 Science

Instruction :-

1. All question are compulsory.
2. Question Nos 1 to 5 are 30 objective type questions. Each question carries 1 (one) mark.
3. Internal options are given in question nos 6 to 23.
4. Marks of each question are indicated against it.
5. Answer question nos 6 to 17 in about 30 words each.
6. Answer question nos 18 to 20 in about 75 words each.
7. Answer question nos 21 to 23 in about 120 words each.
8. Draw neat and clean labeled diagram wherever required.

Q.1 Choose the correct option.
(i) Dry fruits it not consumed for long time get rotten.
(a) Change in temperature (b) Rancidity
(c) Rusting (d) No Change
(ii) Which property does not exhibited by metals
(a) Electrical conductivity (b) Ductility
(c) Brittleness (d) Malleability
(iii) In graphite each carbon atom bonds with how many atoms ?
(a) 5 (b) 2 (c) 4 (d) 3
(iv) Which part of the human digestive system secrets hydrochloric acid
(a) Stomach (b) Pancreas (c) liver (d) Gall bladder
(v) Reproduction takes place in plasmodium through
(a) Binary fission (b) Multiple fission (c) spores (d) Budding
(vi) The number of sex chromosomes in human is
(a) 23 pairs (b) 22 Pairs (c) 1 Pair (d) 2 Pairs

2 Fill in the blanks-
(i) Respirations is an___________reaction
(ii) The complete digestion of carbohydrates proteins and fats occur in_________________

(iii) ________________is measured with an instrument called sphygmomanometer.
(iv) Testosterone hormone is mainly secreted by the_____________
(v) Growth hormones is secreted by the_____________ gland.
(vi) The fusion of male gamete and female gamete is called ___________

Q. 3 Write true/false.
(i) The formula of sleked lime is CaCO3
(ii) Acetic acid is found in curd.
(iii) Asexual reproduction done in planaria takes place through budding.
(iv) Myopia is corrected by a convex lens.
(v) Diamond is the hardest substance.
(vi) The pyramid of energy is always straigh

Q.4 Match the following –
A B
(i) Plane mirror – (a) Ray of light
(ii) Stright line path – (b) Watt
(iii) Electric current – (c) Iron
(iv) Electric power – (d) To see the face
(v) Compass needle – (e) Ampere
(vi) Magnetic material – (f) North and south pole

Q 5 . Write answer in one word/sentence.
(i) What is the common name of the compound CaOCl2
(ii) Write the formula of ethyne.
(iii) Where does breakdown of pyruvic acid takes place in cells.
(iv) Who gave the laws of inheritance.
(v) How is an Image formed on the retina.
(vi) Write the relation among potential difference, electricity and image.

Q.6 Which gas is usually liberated when an acid reacts with a metal? Write one example.

Or

Metal compound A reacts with dilute effervescence the gas evolved extinguishes a burning candle write a balanced chemical equation for the reaction it one of the compounds formed is calcium chloride.

Q.7 Write the chemical equation to form baking soda with one use.

Or

Write the chemical equation to form plaster of Paris with one use.

Q.8 Write any two differences between metals and non-metals based on their physical properties.

Or

Write any two differences between metals and non-metals based on their chemical properties.

Q.9 What is the reactivity series.

Or

What is called aquaregia.

Q.10 Write mendal’s law of dominance.

Or

Write the sex determination in humane.

Q.11 Why is the use of iodized salt recommended ?

Or

Why are some diabetes patients treated with insulin injections ?

Q.12 Write any two functions of spinal fluid in the brain .

Or

Write any two functions of nerve cell.

Q.13 Write any two differences between a real image and a virtual image.

Or

Write any two differences between reflection and refraction.

Q.14 The heating elements of electric toaster and electric iron are made of alloys
and not pure metals.

Or

Why is the tungsten used almost exclusively for filament of electric lamps.

Q.15 Write two properties of magnet. 2

Or

Write any two ways of producing a magnetic field.

Q.16 Write Flemings left hand rule. 2

Or

Write Flemings right hand rule.

Q.17 What is the role of scavengers in the ecosystem. 2

Or

What are biodegradable substances ?

Q. 18 What is allotropy ? write two uses of allotropes of carbon. 3

Or

What are the saturated hydrocarbon ? write the names of any two hydrocarbons.

Q.19 Draw a labelled diagram of a bisexual flower.

Or

Write any three differences between pollination and fertilization.

Q.20 Why do stars twinkle ? write the reason.

Or

Why does the clear sky appear blue. Write the reason

Q.21 Balance the following chemical equation.
(i) HNO3 + Ca(OH)2 Ca(NO3)2 + H2O
(ii) NaOH + H2SO4 Na2SO4 + H2O
(iii) NaCl + AgNO3 AgCl + NaNO3
(iv) BaCl2 + H2SO4 BaSO4 + HCl

or

Write chemical equation –
(i) Potassium bromide + Barium iodide Potassium iodide + Barium bromide
(ii) Zinc carbonate Zinc oxide + Carbon dioxide
(iii) Hydrogen + Chlorine Hydrogen chloride
(iv) Magnesium + Hydrochloric acid Magnesium chloride + Hydrogen

Q.22 Draw a labeled diagram of the human digestive system.

or

Write any four differences between aerobic and anaerobic respiration.

Q.23 In the following situation which mirror is used and why ? explain with reason.
(i) Head light of car
(ii) Solar furnance

or

Explain the formation of the image by a concave mirror using ray diagram when the object is at the following position.
(i) At the focus (ii) At the center of curvature