Science Quiz

Q1)-Which part of the camera works similar to that of the retina of human’s eye?

Film

Lens

Shutter

None of these

Ans.- A

Q2)-Which type of radiation is absorbed by the upper layer of the atmosphere?

Radio waves

Ultraviolet

Infrared

Visible

Ans.- C

Q3)-Decibel is the unit of

Intensity of sound

Intensity of light

Frequency of light

Frequency of sound

Ans.- A

Q4)-What is the minimum distance for visibility for a common eye?

25 mm

25 m

25 cm

1 m

Ans.- C

Q5)-What is rust on the iron known as ?

Ferrous oxide

Ferric oxide

Sulphur dioxide

Sodium chloride

Ans.- A

Q6)-Which of the following is used in photography?

Sodium bromide

Potassium chloride

Sodium sulphate

Silver bromide

Ans.- D

Q7)-What causes the red colour of tomato ?

Keratin

Myosin

Lycopene

Carotene

Ans.- C

Q8)-Which of the following is the product of digestion of proteins?

Carbon dioxide

Glucose

Lactic acids

Amino acids

Ans.- D

Q9)-How many bones are there in the human body ?

187

206

286

306

Ans.- D

Q10)-Blood is :

Acidic

Alkaline

Neutral

Like a buffer

Ans.- B