HTML
   HTML5
   CSS
   CSS3
   JavaScript
   jQuery
   AngularJS
   Articles
   Tech Articles
   Blog
Google News
logo
General Knowledge(GK) (or) General Awareness

Welcome to the General Knowledge Section of Free Time Learning. As we are aware General Knowledge (GK) is a very important area in all the competitive exams held in the country. Nowadays, a good knowledge of general awareness is very important in clearing any competitive and government recruitment examinations.

These General Knowledge Question are very important and usefull to UPSC, IAS/PCS, UPPSC, IBPS, SBI, RBI, SSC, CGL, Railway, APPSC, TSPSC, KPSC, TNPSC, TPSC, UPPSC, MPSC, RPSC, BPSC, MPPSC, UKPSC, MPSC, and other competitive exams.

1 .
Which of the following elements is not present in fertilisers
A)
Hydrogen
B)
Chlorine
C)
Phosphorus
D)
Nitrogen

Correct Answer :   Chlorine

Published On : June 9, 2021
2 .
The plants received Nitrogen in form of
A)
Nitrate
B)
Nitride
C)
Nitric oxide
D)
Ammonia

Correct Answer :   Nitrate

Nitrate is the form of nitrogen most used by plants for growth and development. Nitrate is the form that can most easily be lost to groundwater. Ammonium taken in by plants is used directly in proteins.

Published On : June 9, 2021
3 .
The functional unit in Ecology is the
A)
Population
B)
Biosphere
C)
Organism
D)
Ecosystem

Correct Answer :   Ecosystem

The ecosystem is defined as a functional unit of ecology because it is the smallest unit of nature, which is independent and self-sustaining due to various interactions between abiotic and biotic components and different organisms among themselves.

Published On : June 9, 2021
4 .
Heavy water was discovered by
A)
Hans Suess
B)
John S. Lewis
C)
Harold Urey
D)
Alexander Oparin

Correct Answer :   Harold Urey

Harold Urey won the Nobel Prize in Chemistry in 1934 for discovering deuterium, the key component of heavy water. Gilbert Lewis, a renowned chemist at U.C. Berkeley, isolated the first sample of essentially pure heavy water from ordinary water in 1933.

Published On : June 9, 2021
5 .
Electronvolt is a unit of
A)
Energy
B)
Charge
C)
Magnetic force
D)
Potential Difference

Correct Answer :   Energy

Published On : June 9, 2021
6 .
Who among the following invented the Crescograph
A)
Satyendra Nath Bose
B)
Jagadish Chandra Bose
C)
C. V. Raman
D)
Meghnad Saha

Correct Answer :   Jagadish Chandra Bose

A crescograph is a device for measuring the growth in plants. It was invented in the early 20th century by Sir Jagadish Chandra Bose.

Published On : June 9, 2021
7 .
Which of the following is man-made fibre?
A)
Wool
B)
Silk
C)
Nylon
D)
Cotton

Correct Answer :   Nylon

Manmade fibres are made from various chemicals, or are regenerated from plant fibres. Examples of manmade fibres are: polyester; polyamide – (nylon); acrylics; viscose, made from wood bark; Kevlar, a high-performance fibre; and Nomex, a high-performance fibre.

Published On : June 8, 2021
8 .
Which is used as an Air pollution indicator?
A)
Fungi
B)
Bacteria
C)
Algae
D)
Lichens

Correct Answer :   Lichens

Lichens are well known as sensitive indicators of air pollution, particularly for sulfur dioxide. In part, this is related to their unique biology.

Published On : June 8, 2021
9 .
The largest dolphin species is the orca, also called as____
A)
Tucuxi
B)
Baiji
C)
Bottle Nose
D)
Killer whale

Correct Answer :   Killer whale

The killer whale or orca (Orcinus orca) is a toothed whale belonging to the oceanic dolphin family, of which it is the largest member. It is recognizable by its black body with a white underside and patches near each eye. Killer whales have a diverse diet, although individual populations often specialize in particular types of prey. Some feed exclusively on fish, while others hunt marine mammals such as seals and other species of dolphin. They have been known to attack baleen whale calves, and even adult whales. Killer whales are apex predators, as no animal preys on them.

Published On : June 8, 2021
10 .
Malachite is an ore/mineral of
A)
Lead
B)
Copper
C)
Mercury
D)
Manganese

Correct Answer :   Copper

Published On : June 8, 2021