Q1. The commonly used coolant in refrigerators is
(A) Ammonia
(B) Nitrogen
(C) Freon
(D) Oxygen
Answer-(C) Freon
Q2. The complete form of ‘IC’ in electronics is
(A) Internal circuit
(B) Independent circuit
(C) Integrated circuit
(D) Inbuilt circuit
Answer-(C) Integrated circuit
Q3. Who among the following did Gandhiji regard as his political Guru?
(A) Mahadev Desai
(B) Dayanand Saraswati
(C) Acharya Narendra Dev
(D) Gopal Krishna Gokhale
Answer-(D) Gopal Krishna Gokhale
Q4. Which of the following Constitutional Amendment Act, deals with the Elementary Education as a Fundamental right?
(A) 84th Amendment Act
(B) 85th Amendment Act
(C) 86th Amendment Act
(D) 87th Amendment Act
Answer-(C) 86th Amendment Act
Q5. The world’s largest island is
(A) Greenland
(B) Iceland
(C) New Guinea
(D) Madagascar
Answer-(A) Greenland
Q6. Sea water is saltier than rain water because
(A) Sea animals are salt producing
(B) The air around the sea is salty
(C) Rivers wash away salts from earth and pour them into the sea
(D) Sea beds have salt producing mines
Answer-(C) Rivers wash away salts from earth and pour them into the sea
Q7. Pannalal Ghosh played which of the following musical instrument:
(A) Flute
(B) Sitar
(C) Violin
(D) Santoor
Answer-(A)
Q8. Rio Summit is associated with
(A) Convention on Biological Diversity
(B) Greenhouse gases
(C) Ozone depletion
(D) Wet lands
Answer-(A) Convention on Biological Diversity
Q9. Polyploidy arises due to change in the
(A) Number of chromatids
(B) Structure of genes
(C) Number of chromosomes
(D) Structure of chromosomes
Answer-(C) Number of chromosomes
Q10. The unit of measurement of noise is
(A) Decibel
(B) Hertz
(C) Amplifier
(D) Acoustics
Answer-(A) Decibal
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MAHENDRA GURU