General awarness for upcoming exam.

01.The solar radiation coming to Earth is called

insolation.

Explanation  :

Insolation is the solar radiation that reaches the Earth’s surface. It is measured by the amount of solar energy received per square centimeter per minute. Insolation affects temperature.

02.A light year is a unit of  

distance.

Explanation  :

Light year is a unit to measure the distance travelled by light in a vacuum in one Julian year. It was defined by the International Astronomical Union (IAU).

1 light-year =

9.461 × 10^15 metres.

03.Rainbow formation is due to

refraction and reflection of sunlight by water droplets.

04.The main source of naphthalene is

coaltar.

05.What happens to a person who receive the wrong type of blood ?

The RBCs agglutinate.

Explanation  :

In the process of blood transfusion, a patient must receive a compatible blood type. If this does not happen, the RBCs will clump together making clots that can block the vessels and leads to death of a person.

06.The biological death of a patient means the death of tissues of the

brain.

Explanation  :

Biological death occurs when brain cells start to die due to lack of oxygen. Biological death follows clinical death (when a person stops breathing). 4-6 minutes of oxygen deprivation can cause minor brain damage.

07.The brain of human adult weights about

1200-1300 gram.

Explanation  :

The weight of average adult human brain is 1200-1300 gram. While in newborn babies it is 350-400 gram.

It controls our actions, body movement and sensitivity.

08.The words justice in the form of social, economic and political justice present in the Preamble has been taken from –

Russian Revolution.

09.Tropic of Cancer passes through

India and Saudi Arabia.

10.The distribution of the burden of paying a tax that is called?

Incidence of a tax.

11.Which method can be applied to determine purity of a metal?

Archimedes principle.

12.Opening of Suez Canal in 1869 significantly reduced the cost of transportation of goods between

Britain and India.

Explanation :-

Suez Canal was officially opened on November 17, 1869.

13.Which Literature which deal with the stories of the various births of Buddha are – 

Jataka.

Explanation  :

Jataka deal with the stories of the various previous births of Buddha.

14.Human bodies can be scanned with Magnetic Resonance Imaging (MRI) because they contain

 Hydrogen.

15.A virtual image can be formed by

Conacave mirror, Convex mirror and Concave lens. 

16.The directive principles of state policy of Indian constitution has been borrowed from

Irish constitution.

17.The Prime Minister shall be appointed the president according to article

75 of the constitution.

18.the Constituent Assembly, when was the ad-hoc Committee appointed for the National Flag?

23rd June 1947.