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,...
Water Quiz
Water is one of the most common substances on the Earth. Covering over 70% of the surface of the Earth, it is easy to...
CLASS: VIII :: Chemical Effect Of Electric Current
CLASS: VIII NCERT (CBSE)
Physics
Chemical Effect Of Electric Current
SUMMARY
Conductivity of Liquids
We can use a tester to check if electricity is flowing through a wire in...
Dr. APJ Abdul Kalam
Dr. APJ Abdul Kalam: The Missile Man of India and People's President
Introduction
Dr. Avul Pakir Jainulabdeen Abdul Kalam, popularly known as APJ Abdul Kalam, was...
CLASS: IX :: Why do we fall ill
CLASS: IX NCERT (CBSE) ...
pH of Common Chemicals
pH of Common Chemicals: Acids & Bases
List of the approximate pH of some common chemicals:
pH of Common Acids
0 - Hydrochloric Acid (HCl)
1.0 - Battery...
Human Body Quiz
Human Body Quiz
1. What is the name of the biggest part of the human brain?
2. The colored part of the human eye that controls...
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: 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...
Human Eye and Colourful World CLASS: X NCERT (CBSE) PHYSICS
Summary
Accommodation of the Eye:The process by which the ciliary muscles change the focal length of an eye lens to focus distant or near objects...
CLASS: IX :: Tissues
CLASS: IX NCERT (CBSE)
Tissues
SUMMARY
1) A group of cells, that are similar in structure and work together to achieve a particular function, forms a tissue.
2)...
States of Matter Quiz
States of Matter Quiz
1. When a solid changes to a liquid it is called what?
2. True or false? Liquids are easy to compress.
3. When...
CLASS: X NCERT (CBSE) SCIENCE: Chemistry- Acids, Bases and Salts
Summary
Acids, Bases and Salts
1. Acidic substances generate H+ ions in the medium, while basic ones liberate OH- ions in the medium.
2. Certain dyes are...
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 :: Force And Pressure
CLASS: VIII NCERT (CBSE) ...
