Science Quiz (biology,chemistry,physics)
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This quiz is about scientific reasoning questions answer if you have knowledge
- 1.
- A.
Due to inertia
- B.
Due to brakes
- C.
Due to negative accelaration
- D.
Due to force exerted by the machine
- E.
None of these
- 2.The person sitting in a moving car has _________enrgy
- A.
Kinetic energy
- B.
Potential energy
- C.
Both kinetic and potential energy
- D.
Elatic potential energy
- E.
Gravitational patential energy
- 3.
- A.
Due to friction
- B.
Due to inertia
- C.
None of these
- D.
Due to force of stick
- E.
Bith a and b
- 4.Why transition elements are called so?
- A.
Variable valency
- B.
Having different colours
- C.
Both a and b
- D.
None of these
- E.
Constnt valency
- 5.Why is it difficuilt to prepare a super saturated solution?
- A.
Because it cant be prepared at room temprature
- B.
Solute particles cant be homogenised
- C.
Constant heat pressure
- D.
Oxygen in air
- E.
None of these
- 6.Is electrolysis same to ionization?if no why
- A.
Yes
- B.
Electrolysis cant be done without ionization
- C.
It can be done
- D.
None of these
- E.
Matter splits up into its ions
- 7.Why on hitting the ball with the center of bat more efeective short is played?
- A.
Fx+Fy=o
- B.
Center of gravity remained within its base
- C.
It produces more torque
- D.
None of these
- E.
Both a and b
- 8.What are Jacbsons organs?
- A.
Two pits present on palate on snake
- B.
Nostrils
- C.
Organs present in note
- D.
None of these
- E.
Tachea
- 9.Each rank of classification is called
- A.
Texon
- B.
Evaloutionary txanomy
- C.
Homology
- D.
Analogy
- E.
None of these
- 10.Enthalapy of products of exothernic reaction is_________
- A.
Less
- B.
More
- C.
None of these
- D.
Sometimes less and someties more
- E.
Equal
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