CLASS: IX :: Matter in Our Surroundings
CLASS: IX NCERT (CBSE)
Chemistry
Matter in Our Surroundings
Question 1: Matter has ___________.
1. no mass but occupies space
2. mass but occupies no space
3. mass and occupies...
CLASS: X :: Management of Natural Resources
CLASS: X NCERT (CBSE)
BIOLOGY
Management of Natural Resources
Question 1: Which one of the following is an example of
biotic component of environment?
1. wind
2. water
3. vegetation
4. temperature
Answer:...
CLASS: X :: Our Environment
CLASS: X NCERT (CBSE)
BIOLOGY
Our Environment
Question 1: A natural phenomenon that becomes harmful due to pollution is _____________.
1. global warming
2. ecological balance
3. greenhouse effect
4. desertification
Answer:...
CLASS: X :: Electricity
CLASS: X NCERT (CBSE)
PHYSICS
Electricity
Multiple Choice QUESTIONs
Question 1: Which of the following statements does not represent ohm's law?
1. current / potential difference = constant
2. potential...
CLASS: X :: Human Eye and Colourful World
CLASS: X NCERT (CBSE)
PHYSICS
Human Eye and Colourful World
Question 1: The change in focal length of an eye lens to focus the image of objects...
CLASS: X :: Light-Reflection and Refraction
CLASS: X NCERT (CBSE)
PHYSICS
Light-Reflection and Refraction
Multiple Choice Questions
Light-Reflection
Question 1: Light is a form of energy produced by a ______ .
1. luminous object
2. transparent object
3....
CLASS: X :: Heredity and Evolution
CLASS: X NCERT (CBSE)
BIOLOGY
Heredity and Evolution
Question 1: Alternative forms of a gene are called _____________.
1. loci
2. multiples
3. chromosomes
4. alleles
Answer: 4
Question 2: Heredity or inheritance...
CLASS: X :: How do Organisms Reproduce
CLASS: X NCERT (CBSE)
BIOLOGY
How do Organisms Reproduce
Question 1: The male hormone testesterone is produced by _________.
1. Leydig cells
2. Seminiferous tubules
3. Epididymis
4. Vas deferens
Answer: 1
Question...
CLASS: X :: Control and Coordination
CLASS: X NCERT (CBSE)
BIOLOGY
Control and Coordination
Question (1): The cells in our body that can be over a foot long are _____.
1. muscle cells
2. nerve...
CLASS: X :: Life Processes Transportation
CLASS: X NCERT (CBSE)
BIOLOGY
Life Processes Transportation
Question (1): The colour of blood in the veins is _______________.
1. bright red
2. dark red
3. blue
4. black
Ans: 2
Question (2):...
CLASS: X :: Life Processes RESPIRATION
CLASS: X NCERT (CBSE)
BIOLOGY
Life Processes RESPIRATION
Question 1: The most common substrate of respiration is _________.
1. fats
2. amino acids
3. glucose
4. sucrose
Answer: 3
Question 2: During respiration,...
CLASS: X :: Life Processes Nutrition
CLASS: X NCERT (CBSE)
BIOLOGY
Life Processes Nutrition
Question (1): Nutrition includes the study of _____________.
1. the organism's food
2. process of digestion
3. the way an organism obtains...
CLASS: X :: Life Processes Excretion
CLASS: X NCERT (CBSE)
BIOLOGY
Life Processes Excretion
Question (1): Loop of Henle is concerned with:
1. excretory system
2. reproductive system
3. nervous system
4. muscular system
Ans: 1
Question (2): Urea...
CLASS: X :: Periodic Classification of Elements
CLASS: X NCERT (CBSE)
Chemistry
Periodic Classification of Elements
Question 1: The properties of an element in the periodic table depends on its, ________.
1. atomic size
2. atomic...
CLASS: X :: Carbon and its Compounds
CLASS: X NCERT (CBSE)
Chemistry
Carbon and its Compounds
Question (1): Which of the following statements is not applicable to cabon...
CLASS: X :: Metals and Non-metals
CLASS: X NCERT (CBSE)
SCIENCE: Chemistry
Metals and Non-metals
Question 1: Of these, the most ductile metal is ___________.
1. Al
2. Au
3. Cu
4. Ag
Answer: 2
Question 2: Of these,...
CLASS: X :: Acids, Bases and Salts
CLASS: X NCERT (CBSE)
SCIENCE
Acids, Bases and Salts
Question (1): The characteristic properties of an acid is
due to the presence of ___________.
1. hydride ions
2. hydroxyl ions
3....
CLASS: X :: Chemical Reactions and Equations
CLASS: X NCERT (CBSE)
SCIENCE
Chemical Reactions and Equations
Multiple Choice Questions
Question 1: Which among the following is not a physical change?
1. Melting of solids to liquids
2....
CLASS: VIII :: Reaching the age of Adolescence
CLASS: VIII NCERT (CBSE)
Biology
Reaching the age of Adolescence
SUMMARY
Changes During Puberty
After the age of ten years, an individual becomes anadolescent, and...
CLASS: VIII :: Reproduction in Animals
CLASS: VIII NCERT (CBSE)
Biology
Reproduction in Animals
SUMMARY
Sexual Reproduction in Animals
Amoeba and bacteria adopt the asexual mode of reproduction.Reproductive organs in humans producegametes - eggs and...
