Class 10 Science | ICSE Board Board | Mixed Level Practice Test - 40 Questions (2026)

A lens forms an erect, magnified and virtual image of an object. Name the type of lens and where is the object placed?

Which of the following statements is true regarding the specific latent heat of fusion of a substance?

A body of mass 5 kg is raised to a height of 10 m. Calculate the increase in its potential energy. (Assume $g = 10 m/s^2$)

Which of the following statements about nuclear fission is correct?

Which of the following is an example of a renewable source of energy?

What is the function of the ozone layer?

The phenomenon responsible for the twinkling of stars is:

Which of the following is an example of a greenhouse gas?

A radioactive substance has a half-life of 20 days. What fraction of the original sample will remain after 60 days?

Which color of light deviates the most when passed through a prism?

A lens forms an erect, magnified and virtual image of an object. What type of lens is it and what is the position of the object?

A body of mass 5 kg is raised vertically to a height of 10 m. Calculate the potential energy gained by the body. (Assume $g = 9.8 m/s^2$)

Which of the following statements is correct regarding the modern periodic table?

What is the function of the ozone layer in the atmosphere?

Which gas is evolved when zinc granules react with dilute hydrochloric acid?

A wire of resistance $R$ is stretched to double its length. What will be its new resistance, assuming the volume remains constant?

If the magnification produced by a lens is -2, the image is:

What is the chemical formula of baking soda?

A cell of emf 1.5 V and internal resistance 1 $\Omega$ is connected to a resistor of 2 $\Omega$. Calculate the current in the circuit.

A lens forms an upright and diminished image of an object. Which type of lens is it, and what is the position of the object?

A cell is placed in a solution, and it swells up. What can you infer about the concentration of the solution compared to the cell's cytoplasm?

Which of the following gases contributes most significantly to the greenhouse effect?

A body of mass $m = 2$ kg is moving with a velocity $v = 5$ m/s. What is its kinetic energy?

Which of the following is NOT a characteristic of homologous chromosomes?

What is the IUPAC name of the organic compound with the formula $CH_3CH_2CH_2OH$?

Which part of the human brain is responsible for maintaining balance and coordination?

A radioactive substance has a half-life of 10 years. If you start with 100g of the substance, how much will remain after 30 years?

What is the function of the Eustachian tube?

If the magnification of a lens is -2, what does it mean?

Which of the following is NOT a characteristic property of acids?

The number of electrons in the outermost shell of an element with atomic number 17 is:

A body of mass 2 kg is moving with a velocity of 5 m/s. Its kinetic energy is:

Which of the following greenhouse gases has the highest Global Warming Potential (GWP)?

The phenomenon of splitting of white light into its constituent colors is called:

Which of the following is a communicable disease?

If the magnification of a lens is -2, what does it indicate about the image?

Which of the following is the correct order of reactivity of metals?

A fuse wire is characterized by:

The process of conversion of pyruvate into ethanol, carbon dioxide and energy occurs in:

Which of the following statements best describes the effect of increased carbon dioxide concentration on the greenhouse effect?