NCERT Exemplar Solutions Class 8 Science Synthetic Fibres and Plastics
Multiple Choice Questions................... Question 1: Pick the synthetic fibre out of the following? (a) Cotton (b) Nylon (c) Jute (d) Wool Solution 1: (b) Nylon Cotton and Jute come from trees, Wool comes from animals, and Nylon is a synthetic fibre. Question 2: …
NCERT Exemplar Solutions Class 8 Science Stars and the Solar System
Multiple Choice Questions........................... Question 1: Morning star is the name given to (a) pole star (b) star Sirius (c) planet Jupiter (d) planet Venus Solution 1: (d) planet, Venus. Venus shines brighter than any other star and can be seen in the eastern sky…
NCERT Exemplar Solutions Class 8 Science Sound
Multiple Choice Questions.......................... Question 1: A list of mediums is given below. (i) wood (ii) water (iii) air (iv) vacuum In which of these mediums can sound travel? (a) i & ii only (b) i, ii & iii only (c) iii & iv only (d) ii, iii & iv…
NCERT Exemplar Solutions Class 8 Science Some Natural Phenomena
Multiple Choice Questions..................... Question 1: An electroscope is a device which is used to find if an object is (a) charged (b) magnetic (c) free of cracks (d) hot Solution 1: (a) charged An electroscope is a device that decides whether or not an object is…
NCERT Exemplar Solutions Class 8 Science Reproduction in Animals
Multiple Choice Questions.................................. Question 1: Sets of reproductive terms are given below. Choose the set that has an incorrect combination. (a) sperm, testis, sperm duct, penis (b) menstruation, egg, oviduct, uterus (c) sperm, oviduct, egg, uterus…
NCERT Exemplar Solutions Class 8 Science Reaching the Age of Adolescence
Multiple Choice Questions.......................... Question 1: The belief that the mother is completely responsible for the sex of the child is wrong because the child (a) gets sex chromosome only from the mother. (b) develops in the body of the mother. (c) gets one sex…
NCERT Exemplar Solutions Class 8 Science Pollution of Air and Water
Multiple Choice Questions...................... Question 1: Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is (a) nitrogen (b) oxygen (c) ozone (d) argon Solution 1: (b) oxygen Air is a…
NCERT Exemplar Solutions Class 8 Science Micro organisms Friend and Foe
Multiple Choice Questions............................. Question 1: Which of the following reproduces only inside a host cell? (a) Bacteria (b) Virus (c) Amoeba (d) Fungus. Solution 1: (b) Virus The virus is known as a hybrid of living and non-living species. Outside of a…
NCERT Exemplar Solutions Class 8 Science Materials Metals and Non Metals
Multiple Choice Questions....................... Question 1: Which of the following is not a metal? (a) Copper (b) Sulphur (c) Aluminium (d) Iron Solution 1: (b) Sulphur Copper, Aluminium and Iron are metal but Sulphur is a non metal. Question 2: The substance that…
NCERT Exemplar Solutions Class 8 Science Light
Multiple Choice Questions..................... Question 1: Part of the eye which controls the light entering is called (a) iris (b) cornea (c) lens (d) retina Solution 1: (a) iris Behind the cornea is the iris, a dark muscular organ. Its purpose is to regulate the amount…
NCERT Exemplar Solutions Class 8 Science Friction
Multiple Choice Questions........................... Question 1: Whenever the surfaces in contact tend to move or move with respect to each other, the force of friction comes into play (a) only if the objects are solid. (b) only if one of the two objects is liquid. (c) only…
NCERT Exemplar Solutions Class 8 Science Force and Pressure
Multiple Choice Questions............................. Question 1: In given figure, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct? (a) The magnitude of force applied by A is…
NCERT Exemplar Solutions Class 8 Science Crop Production and Management
Multiple Choice Questions: Question 1: Which one of the following condition is not essential to grow maize? (a) High temperature (c) Low temperature (b) Humidity (d) Rainfall Solution 1: (c) Low temperature In a warm and tropical climate, maize is grown. For maize…
NCERT Exemplar Solutions Class 8 Science Conservation of Plants and Animals
Multiple Choice Questions.......................... Question 1: Wild buffalo is an endangered species because (a) its population is diminishing (b) it has become extinct (c) it is found exclusively in a particular area (d) its poaching is strictly prohibited Solution 1: (a…
NCERT Exemplar Solutions Class 8 Science Combustion and Flame
Multiple Choice Questions............................... Question 1: A substance which reacts with oxygen giving heat is called a combustible substance. Which one of the following is a combustible substance? (a) iron nail (b) glass (c) stone piece (d) wood Solution 1: (d…