Ncert Science Questions and Answers for SSC CPO, SSC CGL,BPSC,CBSE-6

Ncert Science Questions and Answers for SSC CPO, SSC CGL,BPSC,CBSE-6

Ncert Science Questions and Answers for SSC CPO, SSC CGL,BPSC,CBSE-6

Ncert Science Questions and Answers for SSC CPO, SSC CGL,BPSC,CBSE-6

Q1-The sex of newborn baby is determined by the chromosomes inherited from:

  1. The mother
  2. The father
  3. Mother’s mother
  4. Father’s father

Q2-A person suffering from which of the following cannot see with clarity the horizontal and vertical lines simultaneously?

  1. Myopia
  2. Hypermitropia
  3. Astigmatism
  4. Squint

Q3-Vinegar is obtained by the fermentation process; what does it contain?

  1. Acetic acid
  2. Formic acid
  3. Nitric acid
  4. Oxalic acid

Q4-The chemical compound in the common salt is:

  1. Potassium nitrate
  2. Ammonium chloride
  3. Calcium carbonate
  4. Sodium chloride

Q5-The mirror used by a dentist to examine the teeth of patients is :

  1. Concave
  2. Convex
  3. Plane
  4. Cylindrical

Q6-Wireless communication is reflected to earth’s surface by:

  1. Troposphere
  2. Stratosphere
  3. Ionosphere
  4. Exosphere

Q7-Sound above what level is considered hazardous noise pollution?

To Download This File Click On The Download- Download Now 
  1. 30 dB
  2. 40 dB
  3. 60 dB
  4. 80 dB

Q8-A car is moving with high velocity when it takes a turn. A force acts on it outwardly because of

  1. centrifugal force
  2. centripetal force
  3. gravitational force
  4. All of the above

Q9-Aldosterone is a An Harmone in our body which regulates:

Download Free Study Material IBPS
  1. Blood Glucose
  2. Serum Calcium
  3. Urine Concentration
  4. Sodium absorption

Q10-An athlete diving off high springboard can perform a variety of exercise in the air before entering the water body. Which one of the following parameters will remain constant during the fall?

  1. The athlete’s linear momentum
  2. The athlete’s angular momentum
  3. The athlete’s kinetic engine
  4. The athlete’s moment of inertia

Q11-Cream gets separated from milk when it is churned because of:

  1. Gravitational force
  2. Cohesive force
  3. Centrifugal force
  4. Frictional force

Q12-Why is the machine function well with lubricant?

  1. Because of surface tension of the lubricant
  2. Because of viscosity of the lubricant
  3. Lubricant removes moisture
  4. Lubricant induces inertia of the machine

Q13-The blue colour of sky is due to the phenomenon of

  1. Reflection
  2. Refraction
  3. Dispersion
  4. Scattering

Q14-If one wishes to win a javelin throwing competition, he would have to throw it in which angle to attain maximum distance?

  1. 30 degree
  2. 60 degree
  3. 45 degree
  4. 90 degree

Q15-What enables us to write on the black board with chalk?

  1. Gravity
  2. Cohesion
  3. Adhesion
  4. Viscosity

Answers

Q1-2

Q2-3

Q3-1

Q4-4

Q5-1

Q6-3

Q7-4

Q8-2

Q9-3

Q10-2

Q11-3

Q12-1

Q13-4

Q14-3

Q15-3