Explore topic-wise MCQs in General Knowledge (GK).

This section includes 879 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge (GK) knowledge and support exam preparation. Choose a topic below to get started.

201.

Development of an egg without - fertilization is called

A. Gametogenesis
B. Parthenogenesis
C. Oogenesis
D. Metamorphosis
Answer» C. Oogenesis
202.

The term 'GM food' refers to the food -

A. that grows under genetic measures
B. that is genetically modified
C. that grows under geographical modification
D. with greater glucose metabolism
Answer» C. that grows under geographical modification
203.

The specific role of Vitamin K is in the synthesis of -

A. Albumin.
B. Antibodies
C. Globulin
D. Prothrombin
Answer» E.
204.

Which of the following vitamin combines with avid in contained in egg-white forming a compound that cannot be absorbed by the intestine and is therefore, excreted

A. vitamin B
B. vitamin B
C. vitamin B
D. vitamin A
Answer» D. vitamin A
205.

The xylem in plants are responsible for

A. transport of water
B. transport of food
C. transport of amino acids
D. transport of oxygen
Answer» B. transport of food
206.

Which of the following moves/transports water and mineral from the soil to other parts of the plants?

A. Phloem
B. Xylem
C. Chlorophyll
D. Roots
Answer» C. Chlorophyll
207.

Animals do not have enzyme systems which enable them to make use of the energy from -

A. fat
B. water
C. protein
D. carbohydrate
Answer» B. water
208.

Which of the following foods gives instant energy to the athletes?

A. Cheese
B. Glucose
C. Ghee
D. Vitamins
Answer» C. Ghee
209.

Which are the largest fixator of solar energy -

A. Bacteria
B. Protozoa
C. Fungi
D. Green plants
Answer» E.
210.

Which one of the following is not a digestive enzyme?

A. Pepsin
B. Renin
C. Insulin
D. Amylopsin
Answer» D. Amylopsin
211.

Which one of the following is called the 'digestive bag' in the cell?

A. Golgi body
B. Mitochondrion
C. Ribosome
D. Lysosome
Answer» E.
212.

Which of the following is/are digestive enzymes?

A. Trypsin
B. Lipase
C. Pepsin
D. All of the above
Answer» E.
213.

The seeds of certain plants fail to germinate if they do not pass through the digestive tract of fruit-eating birds. This is due to -

A. hibernation
B. seed coat impermeability
C. infertility
D. vegetative reproduction
Answer» C. infertility
214.

What is called sunshine vitamin?

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer» E.
215.

In which one of the following is swim bladder absent?

A. Cutdefish
B. Bony fish
C. Cartilaginous fish
D. Silverfish
Answer» D. Silverfish
216.

The cuticle is absent in -

A. Leaf
B. Stem
C. Root
D. Fruit
Answer» B. Stem
217.

Jaws are absent in

A. Birds
B. Fishes
C. Protochordates
D. Reptiles
Answer» D. Reptiles
218.

One of the best solutions to get rid of non-biodeadable waste is

A. Burning
B. Dumping
C. Burying
D. Recycling
Answer» E.
219.

When nitrogenous waste accumulates in the blood which organ is not functioning?

A. Liver
B. Lungs
C. Kidneys
D. Heart
Answer» D. Heart
220.

Deficiency of vitamin D in children causes -

A. beriberi
B. pellagra
C. rickets
D. scurvy
Answer» D. scurvy
221.

The limb bones of children become bent if there is deficiency of vitamin -

A. A
B. B1
C. D
D. E
Answer» D. E
222.

Excessive secretion from the pituitary gland in children results in

A. increased height
B. retarded growth
C. weakening of bones
D. None of the above
Answer» B. retarded growth
223.

Mesothelioma is a type of cancer. The most common area affected in it is the lining of the

A. heart
B. brain
C. stomach
D. lungs
Answer» E.
224.

Growth of the baby in the uterus is found using -

A. X-rays
B. Gamma rays
C. Ultra sound
D. Ultraviolet rays
Answer» D. Ultraviolet rays
225.

'Stone Cancer' occurs due to

A. Acid rain
B. Global warming
C. Radioactivity
D. Bacterial action
Answer» B. Global warming
226.

Blood cancer is otherwise called as -

A. Anaemia
B. Polycythemia
C. Leucopenia
D. Leukaemia
Answer» E.
227.

Which of the following green house gases has the greatest heat trapping ability?

A. Chlorofluoro carbon
B. Methane
C. Carbon dioxide
D. Nitrous oxide
Answer» B. Methane
228.

'Green House Effect' means -

A. cultivation of crops in green house to conserve heat
B. trapping of solar energy due to carbon dioxide gases
C. trapping of solar energy by earth upper surface
D. increase of heat due to atmospheric pollution
Answer» C. trapping of solar energy by earth upper surface
229.

Which of the following branches deals with the interactions of same species of living organisms with their nonliving environment?

A. Autecology
B. Synecology
C. Ecology
D. Palaeontology
Answer» D. Palaeontology
230.

Which of the following weeds has been found useful to check water pollution caused by industrial affluents?

A. Parthenium
B. Elephant grass
C. Water hyacinth
D. Both (1) and (2) above
Answer» D. Both (1) and (2) above
231.

In water treatment plant, use of chloramines ensures

A. taste and odour control
B. weed control in reservoirs
C. disinfection
D. removal of permanent hardness
Answer» D. removal of permanent hardness
232.

Minamata disease is caused by pollution of water by -

A. lead
B. tin
C. methy isocyanate
D. mercury
Answer» E.
233.

Which one of the following is an indicator of air pollution?

A. Cycas
B. Algae
C. Bryophytes
D. Lichens
Answer» E.
234.

Cooking oil can be converted into vegetable ghee by the process of

A. oxidation
B. hydrogenation
C. distillation
D. crystalisation
Answer» C. distillation
235.

Cooking oil can be converted into vegetables ghee by the process of

A. Oxidation
B. Hydrogenation
C. Distillation
D. Crystallization
Answer» C. Distillation
236.

The main cause of rancidity in of fats and foods is the oils -

A. hydrolysis
B. oxidation
C. clarification
D. reduction
Answer» C. clarification
237.

The pollutants which move downward with percolating ground water are called -

A. Leachates
B. Pollutates
C. Earthites
D. Percolates
Answer» B. Pollutates
238.

The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as

A. Pasteurisation
B. Fermentation
C. Coagulation
D. Homogenisation
Answer» B. Fermentation
239.

The term 'Green Revolution' was coined by

A. William Gaud
B. Charles Elton
C. Eugene Odum
D. M.S. Swaminathan
Answer» B. Charles Elton
240.

The carbon dioxide content in the air that we exhale is about -

A. 4%
B. 8%
C. 12%
D. 16%
Answer» B. 8%
241.

Vegetables and fruits should be a part of our diet because they stimulate -

A. Peristalsis
B. Salivation
C. Excretion
D. Respiration
Answer» B. Salivation
242.

The natural disaster in which carbon- dioxide suddenly erupts from a deep lake water is known as .

A. Lacaustrine
B. Fluvial
C. Glacial
D. Liminic
Answer» E.
243.

Which of the following process-es does not increase the amount of carbon dioxide in air?

A. Breathing
B. Photosynthesis
C. Burning of petrol
D. Aerobic decay of vegetation
Answer» C. Burning of petrol
244.

RBCs do not perform aerobic respiration because these do not contain -

A. Mitochondria
B. Nucleus
C. Endoplasmic Reticulum
D. Lysosomes
Answer» B. Nucleus
245.

Organisms that generate energy using light are known as -

A. Chaemolithotrophs
B. Oligotrophs
C. Bacteria
D. Photoautotrophs
Answer» E.
246.

Study of organisms in relation to their environment is called

A. Ecology
B. Zoology
C. Entomology
D. Paiynology
Answer» B. Zoology
247.

Free-living nitrogen fixing micro- organisms are -

A. Rhizobia
B. Soil fungi
C. Vesicular arbuscular mycorrhiza
D. Blue green algae
Answer» B. Soil fungi
248.

Which of the following is the basic characteristic of a living organism?

A. Ability to breathe
B. Ability to reproduce
C. Ability to move
D. Ability to eat
Answer» B. Ability to reproduce
249.

The functional unit of the kidney is -

A. neuron
B. glomerulus
C. nephron
D. ureter
Answer» D. ureter
250.

Functional unit of 'Kidney'

A. A on
B. Neuron
C. Nephron
D. Artery
Answer» D. Artery