NCERT Exemplar Problems Class 8 Science Chapter 2 Micro organisms: Friend and Foe Question. 1 Which of the following reproduces only inside a host cell? (a) Bacteria (b) Virus (c) Amoeba (d) Fungus Answer. (b) Virus is a micro organism, which is in an inactive or deal form outside the body of a host. It…
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NCERT Exemplar Problems Class 8 Science Chapter 1 Crop Production and Management Question . 1 Which one of the following conditions is not essential to grow maize? (a) High temperature (b) Humidity (c) Low temperature (d) Rainfall Answer. (c) Maize is a kharif crop, which requires high temperature, rainfall and humidity to grow, while rabi…
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NCERT Exemplar Problems Class 9 Science 1. Matter In Our Surroundings 2. Is Matter Around Us Pure 3. Atoms and Molecules 4. Structure of the Atom 5. The Fundamental Unit of Life 6. Tissues 7. Diversity in Living Organisms 8. Motion 9. Force and Laws of Motion 10. Gravitation 11. Work and Energy 12.…
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NCERT Exemplar Problems Class 9 Science – Improvement in Food Resources Question 1: Which one is an oil yielding plant among the following? (a) Lentil (b) Sunflower (c) Cauliflower (d) Hibiscus Answer: (b) Oil seed crops include cotton seed, niger (Ramtil), sunflower, soyabean, linseed oil, rapeseed, groundnut, sesame, mustard, sunflower, olive, etc. These are sources…
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NCERT Exemplar Problems Class 9 Science – Natural Resources Question 1: The atmosphere of the earth is heated by radiations which are mainly (a) radiated by the sun (b) re-radiated by land (c) re-radiated by water (d) re-radiated by land and water Answer: (d) When solar radiations fall on earth, some are absorbed by the…
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NCERT Exemplar Problems Class 9 Science – Why Do We Fall III Question 1: Which one of the following is not a viral disease? (a) Dengue (b) AIDS (c) Typhoid (d) Influenza Answer: (c) Typhoid fever is also known as typhoid. It is a common worldwide bacterial disease transmitted by the ingestion of food or…
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NCERT Exemplar Problems Class 9 Science – Sound Question 1: Note is a sound (a) of mixture of several frequencies (b) of mixture of two frequencies only (c) of a single frequency (d) always unpleasant to listen Answer: (a) The sound which is produced due to a mixture of several frequencies is called a note…
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NCERT Exemplar Problems Class 9 Science – Work and Energy Question 1: When a body falls freely towards the earth, then its total energy (a) increases (b) decreases (c) remains constant (d) first increases and then decreases Answer: (c) Since, total energy of the system is always conserved, so when a body falls freely towards…
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NCERT Exemplar Problems Class 9 Science – Gravitation Question 1: Two objects of different masses falling freely near the surface of moon would (a) have same velocities at any instant (b) have different accelerations (c) experience forces of same magnitude (d) undergo a change in their inertia Answer: (a) Objects of different masses falling freely…
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NCERT Exemplar Problems Class 9 Science – Force and Laws of Motion Question 1: Which of the following statement is not correct for an object moving along a straight path in accelerated motion? (a) Its speed keeps changing (b) Its velocity always changes (c) It always goes away from the earth (d) A force is…
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