General Science - Online Test

Q1. Lorenz Curve was devised by
Answer : Option C
Explaination / Solution:

It was developed by Max O. Lorenz in 1905 for representing inequality of the wealth distribution.

Q2. Energy crisis is a situation which arises when the
Answer : Option A
Explaination / Solution:

Energy crisis create only when supply and demand situation in the country imbalance Demand for all commercial fuels is more than its supply.

Q3. A metal X on heating in nitrogen gas gives Y. Y on treatment with water gives a colourless gas which when passed through copper sulphate solution gives a blue colour. Y is
Answer : Option B
Explaination / Solution:

Mg3N2 reacts with water to evolve NH_3. Which reacts with copper ion to form blue color complex.
Q4. The ingredient not used for preserving food stuff is
Answer : Option A
Explaination / Solution:

For preserving food stuff vinegar, salt and sugar is used. Ethanol is antiseptic in nature but not used for preserving food stuff.

Q5. The mature seed that do not contain residual endosperm is called
Answer : Option B
Explaination / Solution:

The mature seeds may contain residual endosperm or get endosperm consumed completely during the embryological development. The seeds without endosperm are called non-albuminous seeds.

Q6. One mole of hydrogen gas is heated at constant pressure from 300 K to 420 K. Calculate the energy transferred by heat to the gas
Answer : Option B
Explaination / Solution:

Hydrogen is a diatomic gas. (C= 3.5R)

energy transferred by heat to the gas


Q7. A gut parasite will not need
Answer : Option B
Explaination / Solution:

The parasite obtaintheirfood from host body. Gut parasite like round worm and tap worm absorbed digested food from our body. They do not require alimentary canal as they absorb digested food.

Q8. Hydroponics refers to growing plant in
Answer : Option A
Explaination / Solution:

Hydroponics is a subset of hydroculture, the method of growing plants without soil, using mineral nutrient solutions in a water solvent.

Q9. Which is a mismatched pair :
Answer : Option C
Explaination / Solution:

The abnormal frequency of bowel movement and increased liquidity of the faecal discharge is known as diarrhoea.

Q10. What is the nature of glucose – glucose linkage in starch that makes its so susceptible to acid hydrolysis
Answer : Option A
Explaination / Solution:

Glucose glucose linkage in starch is acetal linkage.