General science - Multiple Choice Questions (MCQs) – Page 21

Explore a wide range of General science - Multiple Choice Questions (MCQs) on QuizLake. Prepare for UPSC, State PSCs, SSC, Banking, and other government exams with our extensive collection of MCQs.

Tags

AgricultureAncient Indian HistoryAptitude & ReasoningArt and CultureCensusComputersCurrent AffairsCurrent Affairs (April-June 2025)Current Affairs (January-March 2025)EconomyEnvironment & EcologyGeneral KnowledgeGeneral scienceIndia and World GeographyIndian EconomyIndian GeographyIndian PolityMedieval HistoryMiscModern Indian HistoryPhysical GeographyUPPSC Prelims 2025 Mock Test SeriesUP SpecialUttrakhand SpecialWorld Geography

Recent MCQs

Which of the following is an element?

  1. Sand
  2. Diamond
  3. Marble
  4. Sugar
General science

Easily soluble in water is:

  1. Carbon
  2. Nitrogen
  3. Ammonia
  4. Iodine
General science

Which of the following gets deficient in the human body due to Dengue fever?

  1. Platelets
  2. Haemoglobin
  3. Sugar
  4. Water
General science

Which acid is used in photography:

  1. Formic acid
  2. Oxalic acid
  3. Citric acid
  4. Acetic acid
General science

The difference between nuclear reactor and atom bomb is that:

  1. There is no chain reaction in nuclear reactor where as this happens in atom bomb
  2. The chain reaction in nuclear reactor is controlled
  3. The chain reaction in nuclear reactor is not controlled
  4. Atom bomb is based on nuclear fusion whereas in nuclear reactor, nuclear fission occurs
General science

Consider the following statements:

Assert ion (A): Earnest Rutherford asserted before the Royal Society that man will never get nuclear power.
Reason (R): He was sure that Einstein's law will fail and mass will not be converted into energy.

Select your answer from the coding scheme given below:

  1. Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. Both (A) and (R) are true but (R) is not the correct explanation
  3. (A) is true and (R) is false
  4. (A) is false but (R) is true
General science

The plants receive nitrogen in form of

  1. Nitric oxide
  2. Nitrate
  3. Ammonia
  4. Nitride
General science

Consider the following statements:

1. Fibre optics is based on the principle of total internal reflection.
2. In optical fibre communication system power consumption is extremely low.
3. Optical fibre communications are free from radio frequency interference.
4. In India, Reliance group of Industries is engaged in the manufacture of optical fibre.

Of these statements:

  1. 1, 2 and 3 are correct
  2. 1, 2 and 4 are correct
  3. 1, 3 and 4 are correct
  4. 2, 3 and 4 are correct
General science

Which one of the following statements is not correct regarding the amino acid, tyrosine, present in protein rich foods?

  1. It can help increase energy level.
  2. It can cope with emotional and environmental stress.
  3. It can combat depression.
  4. It can protect against free-radicals responsible for ageing.
General science

Pungency in chillies is due to the presence of

  1. Lycopine
  2. Capsaicin
  3. Carotene
  4. Anthocyanin
General science

Match List - I with List - II and select the correct answer using the codes given below the lists:
List - I (Substance) - List - II (Use)

A. Blue Vitriol - 1. Artificial rain
B. Eosin - 2. Fungicide
C. Silver iodide - 3. Red ink
D. Zinc phosphide - 4. Rodenticide

  1. 2 3 4 1
  2. 2 1 3 4
  3. 2 3 1 4
  4. 2 4 1 3
General science

Which one of the following pairs is not correctly matched?

  1. Fullerenes–organic compounds containing fluorine
  2. Dry Ice–Solid carbon dioxide
  3. Keratin–protein found in the outer layer of human skin
  4. Mustard gas–poisonous liquid used in chemical warfare
General science

Grains of Basmati rice get elongated on being cooked because of higher content of:

  1. lysine
  2. amylose
  3. sugar
  4. oil
General science

Three communicable diseases prevalent in developing countries caused by unsafe drinking water and bad sanitation are:

  1. acute diarrhoea, cancer and gout
  2. malaria, acute diarrhoea and schistosomiasis
  3. onchocerciasis, leukaemia and arthritis
  4. rheumatism, malaria and AIDS
General science

The newly discovered high temperature superconductors are?

  1. Metal alloys
  2. Pure rare earth metals
  3. Ceramic oxides
  4. Inorganic polymers
General science

White colour of milk is due to the presence of

  1. lactose
  2. albumins
  3. carotenes
  4. caseins
General science

Which one of the following instruments is used for locating submerged objects in an ocean?

  1. Audiometer
  2. Galvanometer
  3. Sextant
  4. SONAR
General science

Funk invented

  1. Vitamins
  2. Hormones
  3. Proteins
  4. Enzymes
General science

Which of the following vitamins is essential for normal vision?

  1. Folic acid
  2. Riboflavin
  3. Niacin
  4. Retinol
General science

Which of the following is an insectivorous plant?

  1. Nyctanthes
  2. Nelumbo
  3. Nicotiana
  4. Neperithes
General science

Which of the following types of glass can cut off ultraviolet rays?

  1. Soda glass
  2. Pyrex glass
  3. Jena glass
  4. Crookes glass
General science

We obtain turmeric from which part of the plant?

  1. Stem
  2. Root
  3. Fruit
  4. Flower
General science

The main constituent of honey is:

  1. glucose
  2. sucrose
  3. maltose
  4. fructose
General science

Match list-I with list-II and select the correct answer using the code given below the lists:
List-I (molecules) - List-II (elements present)

A. Vitamin B12 - 1. Magnesium
B. Haemoglobin - 2. Cobalt
C. Chlorophyll - 3. Copper
D. Brass - 4. Iron

Code:
A B C D

  1. 2 4 1 3
  2. 2 1 3 4
  3. 4 1 2 3
  4. 3 4 2 1
General science