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Human Eye
The human eye is an organ that reacts to light and has several purposes. As a sense organ, the mammalian eye allows vision. Rod...
CLASS: X :: Carbon and its Compounds :: Question & Answer
CLASS: X :: Carbon and its Compounds :: Question & Answer
Carbon and its Compounds Class-X Question & Answer
CLASS: X :: Metals and Non-metals :: Question & Answer
CLASS: X :: Metals and Non-metals :: Question & Answer
3 Metals and Non-metals
CLASS: X :: Acids, Bases and Salts :: Question & Answer
CLASS: X
Acids, Bases and Salts
Question & Answer
Question (1): Define the terms: Acid, alkali and salt.
Answer:
An acid is a compound,...
CLASS: X :: Chemical Reactions and Equations :: Question & Answer
CLASS: X NCERT (CBSE)
SCIENCE
Chemical Reactions and Equations
Question & Answer
Question 1:Define a chemical change.
Answer: ...
CLASS: IX :: Sound
CLASS: IX NCERT (CBSE)
PHYSICS
Sound
Question 1: When a wave travels through a medium ______.
1. particles are transferred from one place to another
2. energy is transferred...
CLASS: IX :: Work and Energy
CLASS: IX NCERT (CBSE)
PHYSICS
Work and Energy
Question (1): Work done = Force x _______
1. distance
2. acceleration
3. velocity
4. speed
Ans: 1
Question (2): 1 joule = 1 _______
1....
CLASS: IX :: Gravitation
CLASS: IX NCERT (CBSE)
PHYSICS
Gravitation
Question (1): SI unit of gravitational constant is __________.
1. N m2kg2
2. N m2kg-2
3. N m2s-2
4. N mkg-2
Ans: 2
Question (2): What is...
CLASS: IX :: Force and Laws of Motion
CLASS: IX NCERT (CBSE)
PHYSICS
Force and Laws of Motion
Multiple Choice Questions
Question 1: Inertia is ________.
1. a property of matter
2. a type of force
3. the speed of an...
CLASS: IX :: Motion
CLASS: IX NCERT (CBSE)
PHYSICS
Motion
Question 1: 1 km/h = _____ m/s
1.
2.
3.
4.
Answer: 1
Question 2: The distance (s) in metres travelled by a particle is related to...
CLASS: IX :: Diversity in Living Organisms
CLASS: IX NCERT (CBSE)
BIOLOGY
Diversity in Living Organisms
Question (1): The science of classification is called
1. demography
2. taxonomy
3. biology
4. none of the above
Ans: 2
Question (2): Homo:...
CLASS: IX :: Tissues
CLASS: IX NCERT (CBSE)
BIOLOGY
Tissues
Question (1): Which are the two types of tissues?
1. Meristematic and permanent
2. Meristematic and temporary
3. Meristems and temporary
4. None of the...
CLASS: IX :: The Fundamental unit of Life
CLASS: IX NCERT (CBSE)
BIOLOGY
The Fundamental unit of Life
Multiple Choice Questions
Question 1: The approximate number of cells in a normal human body is ____.
1. 10
2....
CLASS: IX :: Structure of the Atom
CLASS: IX NCERT (CBSE)
Chemistry
Structure of the Atom
Question (1): Almost the entire mass of an atom is concentrated in the__________.
1. proton
2. electrons
3. nucleus
4. neutrons
Ans: 3
Question...
CLASS: IX :: Atoms and Molecules
CLASS: IX NCERT (CBSE)
Chemistry
Atoms and Molecules
Question 1: In water, hydrogen and oxygen are present in the ratio of ________.
1. 1:8
2. 2:12
3. 2:3
4. 1:2
Answer: 1
Question...
CLASS: IX :: Is matter around us Pure
CLASS: IX NCERT (CBSE)
Chemistry
Is matter around us Pure (MCQ)
Question (1): A mixture of oil and water is an example of _____________.
1. compound
2. two elements
3....
