Class 9 Science 1st Model Question Paper (CBSE) for Exam Preparation

Class 9 Science Chapter-wise 1st Model Questions with Answers for Better Exam Practice

1. Model Question Paper

Choose the correct answers :

Q1 . Which of the following are matter ?

(A) Air

(B) Love

(C) Smell

(D) Thought

Ans : (A) Air

Q2. Which of the following are not the characteristics of the particles of matter ?

(A) Particles of matter have space between them .

(B) Particles of matter are continuously moving .

(C) Particles of matter attract each other .

(D) The state of matter can not be changed by changing temperature or pressure .

Ans : (D) The state of matter can not be changed by changing temperature or pressure .

Q3. The density of water is maximum at :

  (A) 0° C     (B) 100° C    (C) 4° C     (D) 273 K

Ans : (C) 4° C    

Q4. The melting point of ice is :

(A) 273° C   

(B) 273 K    

(C) 373° C   

(D) 373 K

Ans : (B) 273 K      .

Q5. Which one of the following sets of phenomena would increase on raising the temperature ?

(A) Diffusion , evaporation , compressions of gases .

(B) Evaporation , compression of gases , solubility .

(C) Evaporation , diffusion , expansion of gases .

(D) Evaporation , solubility , diffusion , compression of gases .

Ans : (C) Evaporation , diffusion , expansion of gases .

Q6. The property to flow is unique to fluids . Which one of the following statements is correct ?

(A) Only gases behave like fluids

(B) Gases and solids behave like fluids

(C) Gases and liquids behave like fluids

(D) Only liquids are fluids

Ans : (C) Gases and liquids behave like fluids

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Posted 4 months ago