Science

Question: An object has move through a distance. Can it has zero displacement? If yes, support your answer with example. Answer: Yes the object inspite of moving through a distance can have zero displacement. Example, if an object travels from point ‘A’ and reaches to the same point ‘A’, then …

NCERT 9th Class (CBSE) Science: Motion Quiz 16 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Motion Quiz When an object covers equal distances in equal intervals of time, it is said to be in uniform motion. It is defined as the distance traveled by an object in …

NCERT 9th Class (CBSE) Science: Force and Laws of Motion Quiz 22 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Force and Laws of Motion Quiz: It is a push or pull on an object that produces acceleration in the body on which it acts. A force of …

Question: Define force. Answer: It is a push or pull on an object that produces acceleration in the body on which it acts. Question: What is S.I. unit of force? Answer: S.I. unit of force is Newton. Question: Define one Newton. Answer: A force of one Newton produces an acceleration …

NCERT 9th Class (CBSE) Science: Improvement in Food Resources Quiz 20 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Improvement in Food Resources Quiz: Berseem, oats or Sudan grass are raised as food for the livestock, called fodder crops. By introducing a gene with required characters into a …

Question: Name any two fodder crops. Answer: Berseem, oats or Sudan grass are raised as food for the livestock, called fodder crops. Question: What do you understand by photoperiod of sunlight? Answer: Photoperiod are related to the duration of sunlight required for plant growth. Question: Name two kharif crops. Answer: …

NCERT 9th Class (CBSE) Science: Gravitation Quiz 18 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Gravitation Quiz: Lactometer is a device used to find the purity of a given sample of milk. Hydrometer is a device used to find the density of liquids. The pressure exerted by …

Question: What is the value of gravitational constant G: (1) On the earth, (2) On the moon. Answer:  6.67 × 10-11  Nm2 kg2 6.67 × 10-11  Nm2 kg2 Question: Which force is  responsible for the moon revolving round the earth? Answer: Gravitational force. Question: Name the scientist who gave the three laws of …

NCERT 9th Class (CBSE) Science: Diversity in Living Organisms Quiz 19 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Diversity in Living Organisms Quiz: The organisms using dead and decaying organic matter as food are said to show saprophytic nutrition. The group of plants with covered seeds are …

Question: Who wrote the book “The Origin of Species”? Answer: Charles Darwin in 1859. Question: Who proposed the classification of organisms into 5 kingdom? Answer: Robert Whittaker (1959). Question: Define species. Answer: All organisms that are similar to breed and perpetuate. Question: Give example of the organism belonging to Monera and Protista Kingdom. …