General Science - Online Test
Q1. electromagnetic induction i.e currents can be induced in coils (Select the best)
Answer : Option C
Explaination / Solution:
for electromagnetic induction magnet and coil both may move but relative motion between must be present
Q2. work function of a metal is the
Answer : Option B
Explaination / Solution:
When the light strikes on a metal surface, electrons on the surface of the metal get energy from the light and get emitted from the surface. There will be no photoemission from a metal surface below a certain frequency of light. For photoemission minimum frequency of incident light is required. This minimum energy of an electron is called work function.
Q3. Physics is a
Answer : Option C
Explaination / Solution:
The natural sciences seek to understand how the world and universe around us works. There are five major branches (top left to bottom right): Chemistry, astronomy, earth science, physics, and biology.
Q4.
Air pollution is:
i. 5th leading cause of deaths in Indian sub-continent.
ii. ranked among top 10 killers in the world.
iii. 7th most dangerous killer in south Asia.
Answer : Option A
Explaination / Solution:
Air pollution causes a number of respiratory disease including lung cancer. It is the 5th leading causes of deaths in Indian sub-constinent and 7th most dangerous killer in south Asia.
Q5. The IUPAC name for tertiary butyl iodide is
Answer : Option D
Explaination / Solution:
IUPAC name of
actually
here firstly we select longest chain and it is of 3 carbon.and at
number 2 position there is iodo as well as methyl ,so its name is 2-iodo
2-methyl propane.
is 2 – Iodo 2·methyl propane
actually
here firstly we select longest chain and it is of 3 carbon.and at
number 2 position there is iodo as well as methyl ,so its name is 2-iodo
2-methyl propane.is 2 – Iodo 2·methyl propane
Q6. Which is not consisted in a processor
Answer : Option C
Explaination / Solution:
No Explaination.
Q7. Carbohydrates Which taste sweet are called
Answer : Option D
Explaination / Solution:
carbohydrates like monosaccharides (one sugar molecule, example: Glucose) and disaccharides (two sugar molecule,example Sucrose I.e Table sugar) always tastes sweet.
Q8. Reproduction is an essential life process, which help in
Answer : Option D
Explaination / Solution:
During reproduction, new individuals are produced having similar traits that help in continuity of species. It is essential as all living organisms have fixed life span.
Q9. Electronic communication refers to
Answer : Option B
Explaination / Solution:
When information are sent from one point to the other it has to be converted into electrical signal using transducer.The receiver receives it in its original from using receiver.Such from of communication is called electronic communication.
Q10. In a two sector economy Aggregate Demand equals
Answer : Option C
Explaination / Solution:
No Explaination.
