GENERAL SCIENCE #2 MCQ
1.
How many calories are there in one kilo-calorie?
(a) 1500
(b) 500
(c) 1000
(d) 2000
Answer:
(c)
2. What
is absolute zero on Celsius scale?
(a) -273⁰ C
(b) -373⁰ C
(c) 273⁰ C
(d) 373⁰ C
Answer:
(a)
3.
Which of the following is approximate efficiency of petrol engine?
(a) 25%
(b) 30%
(c) 10%
(d) 50%
Answer:
(b)
4.
Which of the following statements are true regarding heat?
(i) Heat is a form of energy.
(ii) Heat can be reflected by a mirror.
(iii) Heat is an electromagnetic radiation.
(iv) Heat cannot pass through vacuum.
Select
the correct answer from the codes given below
(a) 1,2 and 3
(b) 1, 2 and 4
(c) 2, 3, and 4
(d) 1, 3 and 4
Answer:
(a)
5.
Thermodynamics mostly deals with which of the following?
(a) Conversion of heat into other forms of energy
(b) Change of state
(c) Measurement of quantity of heat
(d) Transfer of heat
Answer:
(a)
6. What
is the time period of a pendulum of length 9.8 m?
(a) 8.4 s
(b) 6.17 s
(c) 6.28 s
(d) 7.2 s
Answer:
(c)
7. What is the SI unit of specific heat?
(a) J/kg/⁰C
(b) Newton
(c) Kelvin
(d) Ampere
Answer:
(a)
8.
What is called the substance containing sae type of atoms?
(a) Element
(b) Mixture
(c) Compound
(d) None of the above
Answer:
(a)
9.
In the gaseous state, particles can move in which of the following?
(a) Upward and downward only
(b) Only in one direction
(c) Randomly in all directions
(d) Only in a fixed path
Answer:
(c)
10. Which
of the following methods should be used to obtain chlorine and hydrogen from
sodium chloride?
(a) Distillation
(b) Electrolysis
(c) Electroplating
(d) Neutralisation
Answer:
(b)
11.
What is the symbol of iodine?
(a) Pb
(b) I
(c) M
(d) Fe
Answer:
(b)
12.
Matter can be changed from one physical state to another by which of the
following process?
(a) Heating
(b) Crushing
(c) Colouring
(d) Swapping
Answer:
(a)
13.
Which form of the matter has highest kinetic energy of molecules?
(a) Gas
(b) Solid
(c) Liquid
(d) None of the above
Answer:
(a)
14. What
is called the study of animal behaviour?
(a) Entomology
(b) Ethology
(c) Ethnology
(d) Ethnography
Answer:
(b)
15.
Palaeontology is the study of which of the following?
(a) Planets
(b) Microbes
(c) Fossils
(d) Animals
Answer:
(c)
16. What
is the role of mitochondria in a living cell?
(a) Produce energy for the cell
(b) Get rid of the waste materials of the cell
(c) Act as the control centre of the cell
(d) Store materials in the cell
Answer:
(a)
17.
What are the tubes called which carry water and minerals to the leaf?
(a) Cells
(b) Veins
(c) Stomata
(d) Petiole
Answer:
(b)
18.
Haemoglobin is dissolved in the plasma of which of the following?
(a) Fish
(b) Frog
(c) Human
(d) Earthworm
Answer:
(d)
19.
Which of the following is not an element of the bone?
(a) Carbon
(b) Oxygen
(c) Phosphorus
(d) Calcium
Answer:
(a)
20. What
is called the total genetic material within an individual?
(a) Gene pool
(b) Genetic code
(c) Genome
(d) Chromosome
Answer:
(c)
0 Comments