Showing
75
question(s) for
CBSE Class 9
Science
Q1.
What is matter?
Answer:
Has mass and occupies space.
Science
Q2.
What is atom?
Answer:
Smallest unit of matter.
Science
Q3.
What is velocity?
Answer:
Speed with direction.
Science
Q4.
Newton law?
Answer:
F=ma
Maths
Q5.
Polynomial?
Answer:
Algebraic expression.
Maths
Q6.
Origin?
Answer:
Point (0,0)
Maths
Q7.
Triangle?
Answer:
3-sided figure.
Maths
Q8.
Radius?
Answer:
Center to boundary distance.
Science
Q9.
Work formula?
Answer:
W=F×d
Science
Q10.
Kinetic energy?
Answer:
Energy of motion.
Maths
Q11.
2⁴?
Answer:
16
Maths
Q12.
√16?
Answer:
4
Science
Q13.
Tissue?
Answer:
Group of similar cells.
Science
Q14.
Unit of work?
Answer:
Joule
Maths
Q15.
Full angle?
Answer:
360°
Science
Q16.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q17.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q18.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q19.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q20.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q21.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q22.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q23.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q24.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q25.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q26.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q27.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q28.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q29.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q30.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q31.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q32.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q33.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q34.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q35.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q36.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q37.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q38.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q39.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q40.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q41.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q42.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Science
Q43.
What is photosynthesis? (Class 9)
Answer:
Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q44.
Define evaporation. (Class 9)
Answer:
Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q45.
State Newton's first law. (Class 9)
Answer:
An object remains at rest or in motion unless acted upon by an external force.
Maths
Q46.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q47.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q48.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q49.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q50.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q51.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q52.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q53.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q54.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q55.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q56.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q57.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q58.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q59.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q60.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q61.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q62.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q63.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q64.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q65.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q66.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q67.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q68.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q69.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q70.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q71.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q72.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.
Maths
Q73.
What is a quadratic equation? (Class 9)
Answer:
An equation of degree two is called a quadratic equation.
Maths
Q74.
Solve x² - 4 = 0 (Class 9)
Answer:
The solutions are x = 2 and x = -2.
Maths
Q75.
State Pythagoras theorem. (Class 9)
Answer:
Square of hypotenuse equals sum of squares of other two sides.