Which neuron carries impulses from receptor to brain?
- AMotor neuron
- ✓Sensory neuron
- CBoth Sensory neuron and Motor neuron
- DNeither Sensory neuron and Motor neuron
Answer: B.
View full solution →Question types
MODEL PAPER - 1 [2026] question types
45 questions across 18 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
45
Questions
18
Question groups
5
Question types
01
M.C.Q
7 Q→02M.C.Q-[Che-1M]
7 Q→03Assertion - Reasoning (1 Marks)
2 Q→04Assertion - Reasoning [Che-1 M]
1 Q→05[2 Mark Questions]
4 Q→06Answer the questions.[Che-2M]
1 Q→07[3 Mark Questions]
2 Q→08Answer the questions.[Che-3M]
3 Q→09[5 marks Questions]
2 Q→10case /data -based [Che-4M]
1 Q→11case /data -based (4 Marks)
1 Q→12Answer the questions.[Che-5M]
2 Q→13M.C.Q-[Phy-1M]
2 Q→14Assertion - Reasoning [Phy-1 M]
1 Q→15Answer the questions.[Phy-2M]
3 Q→16Answer the questions.[Phy-3M]
3 Q→17case /data -based [Phy-4M]
1 Q→18Answer the questions.[Phy-5M]
2 Q→Sample Questions
MODEL PAPER - 1 [2026] questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Which of the following statement(s) is (are) correct?
i. Pyruvate can be converted into ethanol and carbon dioxide by yeast
ii. Fermentation takes place in aerobic bacteria
iii. Fermentation takes place in mitochondria
iv. Fermentation is a form of anaerobic respiration
i. Pyruvate can be converted into ethanol and carbon dioxide by yeast
ii. Fermentation takes place in aerobic bacteria
iii. Fermentation takes place in mitochondria
iv. Fermentation is a form of anaerobic respiration
- A(ii) and (iv)
- B(ii) and (iii)
- C(i) and (iii)
- ✓(i) and (iv)
Answer: D.
View full solution →Flow of energy in an ecosystem is always :
- ANo specific direction
- BMultidirectional
- CBidirectional
- ✓Unidirectional
Answer: D.
View full solution →Match the following with correct response.
| Column A | Column B |
| (i) The response of a plant to light | (a) Phototropism |
| (ii) The response of a plant to gravity | (b) Hydrotropism |
| (iii) The response of a plant to water | (c) Geotropism |
| (iv) The response of a plant to chemicals | (d) Chemotropism |
- ✓(i) - (a), (ii) - (c), (iii) - (b), (iv) - (d)
- B(i) - (d), (ii) - (a), (iii) - (c), (iv) - (b)
- C(i) - (b), (ii) - (d), (iii) - (a), (iv) - ©
- D(i) - (c), (ii) - (b), (iii) - (d), (iv) - (a)
Answer: A.
View full solution →What will happen if deer is missing in the given food chain? Grass $\rightarrow$ Deer $\rightarrow$ Tiger.
- AThe population of grass will decrease.
- BTiger will start eating grass.
- ✓The population of tiger will decreases and the population of grass will increase.
- DThe population of tiger will increase.
Answer: C.
View full solution →Which of the given statement is correct or wrong:
Statement A: Oxyacetylene flame is used for welding purposes.
Statement B: Ethyne reacts with HCl in the presence of $\mathrm{HgCl}_{2}$ to form vinyl chloride.
Statement A: Oxyacetylene flame is used for welding purposes.
Statement B: Ethyne reacts with HCl in the presence of $\mathrm{HgCl}_{2}$ to form vinyl chloride.
- ANeither statement $A$ nor statement $B$ is true.
- ✓Both the statements A and B are true.
- CStatement B is true; Statement A is false.
- DStatement A is true; Statement B is false.
Answer: B.
View full solution →Washing soda is a
- Aneutralized salt
- Bacidic salt
- ✓basic salt
- Damphoteric salt
Answer: C.
View full solution →A hydrocarbon with molecular formula $\mathrm{C}_{4} \mathrm{H}_{10}$ has:
- A10 covalent bonds
- B7 covalent bonds
- C6 covalent bonds
- ✓13 covalent bonds
Answer: D.
View full solution →Aqueous solutions of zinc sulphate and iron sulphate were taken in test tubes I and II by four students A, B, C and D . Metal pieces of iron and zinc were dropped in the two solutions and observations made after several hours were recorded in the form of table as given below:
The correct reporting has been made in observations:
The correct reporting has been made in observations:
- AStudent B
- BStudent A
- ✓Student C
- DStudent D
Answer: C.
View full solution →Match the following with the correct response:
| Column A | Column B |
| (i) Addition reaction | (a) Hydrogenation |
| (ii) Substitution reaction | (b) Methanol |
| (iii) Denaturation | (c) Carbon tetrachloride |
| (iv) Esterification | (d) Ethyl ethanoate |
- A(i) - (b), (ii) - (d), (iii) - (a), (iv) - ©
- ✓(i) - (a), (ii) - (c), (iii) - (b), (iv) - (d)
- C(i) - (c), (ii) - (b), (iii) - (d), (iv) - (a)
- D(i) - (d), (ii) - (a), (iii) - (c), (iv) - (b)
Answer: B.
View full solution →Assertion (A): A food chain can have maximum of three trophic levels.
Reason (R): Energy available at each trophic level keeps on decreasing as we move higher up the food chain.
Reason (R): Energy available at each trophic level keeps on decreasing as we move higher up the food chain.
Assertion (A) : Non flowering plants cannot reproduce sexually.
Reason (R): Flower is only reproductive part of the plant that can produce gametes.
Reason (R): Flower is only reproductive part of the plant that can produce gametes.
Assertion (A): Tap water conducts electricity but distill water does not conducts electricity.
Reason (R): Tap water conducts electricity as it contains ions whereas distilled water does not contain ions.
Reason (R): Tap water conducts electricity as it contains ions whereas distilled water does not contain ions.
How is the movement of leaves of the sensitive plant different from the movement of a shoot towards light?
a. State one important function of ozone layer at the higher level in the atmosphere.
b. How is ozone formed?
c. It has been observed that ozone layer is getting depleted. Name the compound responsible for ozone depletion.
b. How is ozone formed?
c. It has been observed that ozone layer is getting depleted. Name the compound responsible for ozone depletion.
What would happen, if all the microorganisms are removed from the environment?
i. Write one difference between asexual and sexual modes of reproduction.
ii. Which species is likely to have better chances of survival, the one reproducing asexually or the one reproducing sexually? Justify your answer.
ii. Which species is likely to have better chances of survival, the one reproducing asexually or the one reproducing sexually? Justify your answer.
State the observations you would make on adding ammonium hydroxide to aqueous solution of (i) Ferrous sulphate (ii) Aluminium chloride?
"If there were no algae there would be no fish in the sea." Comment.
A red-eyed individual is crossed with a white-eyed individual to produce $F_{1}$ progeny with red eyes. When $F_{1}$ individuals are intercrossed, $\mathrm{F}_{2}$ progeny is formed with both red as well as white-eyed individuals.
a. How is the dominant trait identified?
b. What are recessive traits?
c. If 12 individuals are produced in $\mathrm{F}_{2}$ generation, then how many white-eyed individuals would be obtained? Calculate the ratio of red-eyed individuals to white-eyed individuals.
View full solution →a. How is the dominant trait identified?
b. What are recessive traits?
c. If 12 individuals are produced in $\mathrm{F}_{2}$ generation, then how many white-eyed individuals would be obtained? Calculate the ratio of red-eyed individuals to white-eyed individuals.
A zinc plate was kept in a glass container having copper sulphate solution. On examining it was found that the blue colour of the solution is fading slowly. After a few days when the zinc plate was taken out of the solution, a number of small holes were noticed in it. State the reason and give chemical equation of the reaction involved.
What happens when dilute hydrochloric acid is added to iron filings?
i. Why are the chips packets puffed when we buy them from market?
ii. Paint is applied on articles made up of iron, why?
ii. Paint is applied on articles made up of iron, why?
a. Why is the use of iodised salt advisable? Name the disease caused due to deficiency of iodine in our diet and state its one symptom.
b. How do nerve impulses travel in the body? Explain.
b. How do nerve impulses travel in the body? Explain.
Redox reactions are those reactions in which oxidation and reduction occur simultaneously. A redox reaction is made up of two half reactions. In the first half reaction, oxidation takes place and in second half reaction, reduction occurs. Oxidation is a process in which a substance loses electrons and in reduction, a substance gains electrons. The substance which gains electrons is reduced and acts as an oxidising agent. On the other hand, a substance which loses electrons is oxidised and acts as a reducing agent.
i. Illustrate where oxidation and reduction occurs together with an example?
ii. What do you mean by oxidising agent and reducing agent?
iii. For the given reaction, identify the oxidation and reduction parts.
$ZnO + CO \longrightarrow Zn + CO _2$
OR
In the following reaction, which substance is reduced?
$\mathrm{PbS}+4 \mathrm{H}_{2} \mathrm{O}_{2} \longrightarrow \mathrm{PbSO}_{4}+4 \mathrm{H}_{2} \mathrm{O}$
View full solution →i. Illustrate where oxidation and reduction occurs together with an example?
ii. What do you mean by oxidising agent and reducing agent?
iii. For the given reaction, identify the oxidation and reduction parts.
$ZnO + CO \longrightarrow Zn + CO _2$
OR
In the following reaction, which substance is reduced?
$\mathrm{PbS}+4 \mathrm{H}_{2} \mathrm{O}_{2} \longrightarrow \mathrm{PbSO}_{4}+4 \mathrm{H}_{2} \mathrm{O}$
A purebred pea plant with smooth seeds (dominated characteristic) was crossed with a purebred pea plant with wrinkled seeds (recessive characteristic). The $F_{1}$ generation was self-pollinated to give rise to the $F_{2}$ generation.
i. What will be the genotypic ratio of the given $\mathrm{F}_{2}$ generation?
ii. What is the expected observation of the $\mathrm{F}_{2}$ generation of plants?
iii. If a genotype consists of different types of alleles, what is it called?
OR
What is the alternative form of the gene?
View full solution →i. What will be the genotypic ratio of the given $\mathrm{F}_{2}$ generation?
ii. What is the expected observation of the $\mathrm{F}_{2}$ generation of plants?
iii. If a genotype consists of different types of alleles, what is it called?
OR
What is the alternative form of the gene?
Name the following compounds.
What is the difference between soaps and detergents? State in brief the cleansing action of soaps in removing an oily spot from a fabric. Why are soaps not very effective when a fabric is washed in hard water? How is this problem resolved?
- ✓Violet and Red
- BOrange and Green
- CRed and Blue
- DRed and Violet
Answer: A.
View full solution →Which of the following statements is true?
- AA concave lens has 4 dioptre power having
- BA concave lens has-8 dioptre power having a focal length 0.25 m a focal length of 0.25 m
- CA convex lens has -4 dioptre power having a focal length 0.25 m
- ✓A convex lens has 4 dioptre power having a focal length 0.25 m
Answer: D.
View full solution →Assertion (A): Two bar magnets attract when they are brought near to each other with the same pole.
Reason (R): Unlike poles will attract each other.
Reason (R): Unlike poles will attract each other.
Calculate the cost of seeing 2 movies on colour T.V. daily for the month of September.
Given wattage of colour T.V. $=60 \mathrm{~W}$, duration each movie is 2 hours 30 min and 1 kWh costs Rs. 4
View full solution →Given wattage of colour T.V. $=60 \mathrm{~W}$, duration each movie is 2 hours 30 min and 1 kWh costs Rs. 4
A potential difference of 220 V is applied across a resistance of $440 \Omega$ in an electric ion.
(i) Find the current.
(ii) Heat energy produced is 30 s .
View full solution →(i) Find the current.
(ii) Heat energy produced is 30 s .
Name the factors on which brightness of image in a camera depends and how?
i. A current through a horizontal power line flows in the east to west direction. What is the direction of the magnetic field at a point directly below it and at a point directly above it?
ii. List two methods of producing magnetic fields.
ii. List two methods of producing magnetic fields.
A narrow beam PQ of white light is passing through a glass prism ABC as shown in the diagram.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE .
i. Write the name and cause of the phenomenon observed.
ii. Where else in nature is this phenomenon observed?
iii. Based on this observation, state the conclusion which can be draw about the constituents of white light.
Trace it on your answer sheet and show the path of the emergent beam as observed on the screen DE .
i. Write the name and cause of the phenomenon observed.
ii. Where else in nature is this phenomenon observed?
iii. Based on this observation, state the conclusion which can be draw about the constituents of white light.
A current-carrying wire produces a magnetic field around it. The phenomena in which an electromotive force and current (if the conductor is in the form of a closed circuit) is induced by changing magnetic field (or by passing magnetic field lines) through it is called electromagnetic induction.
i. What is the condition of electromagnetic induction?
ii. An induced emf is produced when a magnet is plunged into a coil. The magnitude of induced emf does not depend?
i. What is the condition of electromagnetic induction?
ii. An induced emf is produced when a magnet is plunged into a coil. The magnitude of induced emf does not depend?
Two or more resistances are connected in series or in parallel or both, depending upon whether we want to increase or decrease the circuit resistance.
The two or more resistances are said to be connected in series if the current flowing through each resistor is the same.
i. When the three resistors each of resistance R ohm are connected in series then what will be the equivalent resistance?
ii. There is a wire of length 20 cm and having resistance $20 \Omega$ cut into 4 equal pieces and then joined in series. What is equivalent resistance?
iii. In the following circuit, find the equivalent resistance between A and $\mathrm{B}(\mathrm{R}=2 \Omega)$
OR
In the given circuit, what is the current in each resistor?
View full solution →The two or more resistances are said to be connected in series if the current flowing through each resistor is the same.
i. When the three resistors each of resistance R ohm are connected in series then what will be the equivalent resistance?
ii. There is a wire of length 20 cm and having resistance $20 \Omega$ cut into 4 equal pieces and then joined in series. What is equivalent resistance?
iii. In the following circuit, find the equivalent resistance between A and $\mathrm{B}(\mathrm{R}=2 \Omega)$
OR
In the given circuit, what is the current in each resistor?
A concave lens of focal length 60 cm is used to form an image of an object of length 9 cm kept at a distance of 30 cm from it. Use lens formula to determine the nature, position and length of the image formed. Also draw labelled ray diagram to show the image formation in the above case.
a. A 5 cm tall object is placed perpendicular to the principal axis of a convex lens of focal length 20 cm . The distance of the object from the lens is 30 cm . Find the position, nature and size of the image formed.
b. Draw a labelled ray diagram showing object distance, image distance and focal length in the above case.
b. Draw a labelled ray diagram showing object distance, image distance and focal length in the above case.
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