NCERT Exemplar Solutions Class 10 Science Sources of Energy
Multiple Choice Questions......................... Question 1: Which of the following is a non-renewable source of energy? (a) Wood (b) Sun (c) Fossil fuels (d) Wind Solution 1: (b) Sun Sun is a non-renewable source of energy. Question 2: Acid rain happens because (a) sun…
NCERT Exemplar Solutions Class 10 Science Periodic Classification of Elements
Multiple Choice Questions..................... Question 1: Up to which element, the Law of Octaves was found to be applicable (a) Oxygen (b) Calcium (c) Cobalt (d) Potassium Solution 1: (b) Calcium The law of octaves was extended to elements with atomic masses up to 40 da,…
NCERT Exemplar Solutions Class 10 Science How do Organisms Reproduce
Multiple Choice Questions........................... Question 1: In the list of organisms given below, those that reproduce by the asexual method are (i) banana (ii) dog (iii) yeast (iv) Amoeba (a) (ii) and (iv) (b) (i), (iii) and (iv) (c) (i) and (iv) (d) (ii), (iii) and…
NCERT Exemplar Solutions Class 10 Science Carbon and Its Compounds
Multiple Choice Questions.............. Question 1: Carbon exists in the atmosphere in the form of (a) carbon monoxide only (b) carbon monoxide in traces and carbon dioxide (c) carbon dioxide only (d) coal Solution 1: (c) carbon-dioxide only Carbon exists in the atmosphere…
NCERT Exemplar Solutions Class 10 Science Our Environment
Multiple Choice Questions........................ Question 1: Which one of the following is an artificial ecosystem? (a) Pond (b) Crop field (c) Lake (d) Forest Solution 1: (b) Crop field A crop field is an artificial ecosystem. Question 2: In a food chain, the third…
NCERT Exemplar Solutions Class 10 Science Metals and Non Metals
Multiple Choice Questions............................... Question 1: Which of the following property is generally not shown by metals? (a) Electrical conduction (b) Sonorous in nature (c) Dullness (d) Ductility Solution 1: (c) Dullness Dullness is not shown by metals. …
NCERT Exemplar Solutions Class 10 Science Management of Natural Resources
Multiple Choice Questions......................... Question 1: From the list given below to pick the item that is not a natural resource (a) Soil (b) Water (c) Electricity (d) Air Solution 1: (c) Electricity Natural resources include soil, water, and air, while electricity…
NCERT Exemplar Solutions Class 10 Science Magnetic Effects of Electric Current
Multiple Choice Questions................... Question 1: Choose the incorrect statement from the following regarding magnetic lines of the field (a) The direction of the magnetic field at a point is taken to be the direction in which the north pole of a magnetic compass…
NCERT Exemplar Solutions Class 10 Science Light Reflection and Refraction
Multiple Choice Questions............................... Question 1: Which of the following can make a parallel beam of light when light from a point source is incident on it? (a) Concave mirror as well as convex lens (b) Convex mirror as well as a concave lens (c) Two plane…
NCERT Exemplar Solutions Class 10 Science Life Processes
Multiple Choice Questions.................... Question 1: Which of the following statements about the autotrophs is incorrect? (a) They synthesise carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll (b) They store carbohydrates in the form…
NCERT Exemplar Solutions Class 10 Science Human Eye and Colourful World
Multiple Choice Questions........................... Question 1: A person cannot see distinctly objects kept beyond 2 m. This defect can be corrected by using a lens of power (a) + 0.5 D (b) – 0.5 D (c) + 0.2 D (d) – 0.2 D Solution 1: (b) – 0.5 D Since the individual is…
NCERT Exemplar Solutions Class 10 Science Heredity and Evolution
Multiple Choice Questions.......................... Question 1: Exchange of genetic material takes place in (a) vegetative reproduction (b) asexual reproduction (c) sexual reproduction (d) budding Solution 1: (c) sexual reproduction Other choices, apart from sexual…
NCERT Exemplar Solutions Class 10 Science Electricity
Multiple Choice Questions....................... Question 1: A cell, a resistor, a key and ammeter are arranged as shown in the circuit diagrams of given figure. The current recorded in the ammeter will be (a) maximum in (i) (b) maximum in (ii) (c) maximum in (iii) (d)…
NCERT Exemplar Solutions Class 10 Science Control And Coordination
Multiple Choice Questions................................. Question 1: Which of the following statements is correct about receptors? (a) Gustatory receptors detect taste while olfactory receptors detect smell (b) Both gustatory and olfactory receptors detect smell (c)…
NCERT Exemplar Solutions Class 10 Science Chemical Reactions And Equations
Multiple Choice Questions....................... Question 1: Which of the following is not a physical change? (a) Boiling of water to give water vapour (b) Melting of ice to give water (c) Dissolution of salt in water (d) Combustion of Liquefied Petroleum Gas (LPG) Solution…