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.

401.

Viruses are

A. Cellular
B. Acellular
C. Unicellular
D. Multicellular
Answer» C. Unicellular
402.

Name the organ where the embryo develops -

A. Uterus
B. Fallopian tube
C. Ureter
D. Cervix
Answer» D. Cervix
403.

Viruses are made up of

A. Protein and lipids
B. Nucleic and protein
C. Lipids and carbohydrate
D. Carbohydrate and Nucleic acid
Answer» C. Lipids and carbohydrate
404.

Protein which renders a cell less susceptible to attack by viruses is called -

A. Actomyosin
B. Chloromycetin
C. Hybridoma
D. Inferon
Answer» E.
405.

Which of the following range of Air Pollutant Index is considered as hazardous?

A. 301-500
B. 201-300
C. 101-200
D. 401-500
Answer» B. 201-300
406.

Why is Carbon Monoxide a pollutant?

A. Reacts with haemoglobin
B. Makes nervous system inactive
C. It reacts with Oxygen
D. It inhibits glycolysis
Answer» B. Makes nervous system inactive
407.

What is the term used for the process of pollination by birds?

A. Embryophily
B. Ornithophily
C. Entomophily
D. Hydrophily
Answer» C. Entomophily
408.

Anemia is related to .

A. iodine deficiency
B. calcium deficiency
C. iron deficiency
D. food poisoning
Answer» D. food poisoning
409.

What is the chemical name ofvinegar?

A. Citric acid
B. Acetic acid
C. Pyruvic acid
D. Mahe acid
Answer» C. Pyruvic acid
410.

The chemical used for destroying Fungi in water tanks is -

A. Copper sulphate
B. Magnesium sulphate
C. Zinc sulphate
D. Nitric acid
Answer» B. Magnesium sulphate
411.

Transfer of genetic information from one generation to the next generation is by -

A. RNA
B. Codon
C. DNA
D. messenger RNA
Answer» D. messenger RNA
412.

Blood is red in colour due to the presence of -

A. Cytochrome
B. Chlorophyll
C. Hemocyanin
D. Haemoglobin
Answer» E.
413.

Which part of the tea plant is used for making tea?

A. root
B. flower
C. Leaves
D. Stem
Answer» D. Stem
414.

A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra

A. glucose
B. insulin
C. glucagon
D. salt
Answer» B. insulin
415.

Which of the following is an example of parasitic alga?

A. Ulothrix
B. Cephaleuros
C. Oedogonium
D. Sargassum
Answer» C. Oedogonium
416.

Which of the following is not an insectivorous plant?

A. Nepenthes
B. Utricularia
C. Drosera
D. Cuscuta
Answer» E.
417.

Yellow Fever is transmitted by -

A. Aedes
B. Anopheles
C. House-fly
D. Culex
Answer» B. Anopheles
418.

Which among the following parts of a plant is involved in gaseous exchange?

A. Stomata
B. Lenticels
C. Vacuoles
D. Stomata & Lenticels
Answer» E.
419.

To conserve coral reefs, the Government of India declared one of the following as Marine Park

A. Gulf of Kutch
B. Lakshadweep Islands
C. Gulf of Mannar
D. Andaman Islands
Answer» B. Lakshadweep Islands
420.

Hay fever is a sign of -

A. malnutrition
B. allergy
C. oldage
D. over work
Answer» C. oldage
421.

'Breakbone fever' most commonly known as?

A. Typhoid
B. Rhinitis
C. Yellow fever
D. Dengue
Answer» E.
422.

Fermentation is a type of process.

A. Aerobic Respiration
B. Anaerobic Respiration
C. Exothermic Reaction
D. Transpiration
Answer» C. Exothermic Reaction
423.

Commercially valued cork is obtained from -

A. Quercus spp
B. Cedrus Deodara
C. Ficus
D. Cycas
Answer» B. Cedrus Deodara
424.

percent of Delhites are suffering from Asthma and Rhinitis.

A. 13%
B. 10%
C. 11%
D. 12%
Answer» D. 12%
425.

The age of a tree can be determined more or less accurately by -

A. counting the number of branches
B. measuring the height of the tree
C. measuring the diameter of the trunk
D. counting the number of rings in the trunk
Answer» E.
426.

Which word is common in the botanical names of trees like Ashoka, Tamarind or Coral?

A. Terminalia
B. Salmi
C. Indica
D. Acacia
Answer» D. Acacia
427.

What is the impact of advancing glaciers on the rings of trees?

A. They become concentric
B. Their shape is distorted
C. They become widely spaced
D. They are immune to this change
Answer» C. They become widely spaced
428.

In the grass lands, trees do not replace the grasses as a part of an ecological succession because of -

A. Limited sun light and paucity of nutrients
B. None of the options
C. Insect and fungi
D. Water limits and fire
Answer» E.
429.

In the human body, which of the following organs is responsible for water balance?

A. Heart
B. Liver
C. Kidneys
D. Lungs
Answer» D. Lungs
430.

The total number of bones in our body is -

A. 226
B. 206
C. 256
D. 236
Answer» C. 256
431.

The hardest natural substance is -

A. Diamond
B. Iron
C. Graphite
D. Copper
Answer» B. Iron
432.

Which is not a natural fibre?

A. Linen
B. Silk
C. Jute
D. Nylon
Answer» E.
433.

Who propounded the theory of natural selection?

A. Mendal
B. Lamark
C. Darwin
D. De Vries
Answer» D. De Vries
434.

A plant with fibrous root system is

A. Wheat
B. Pea
C. Mustard
D. Bean
Answer» B. Pea
435.

The communication between the central nervous system and the other parts of the body is facilitated by -

A. Peripheral Nervous System
B. Central Nervous System
C. Both are correct
D. Both are incorrect
Answer» B. Central Nervous System
436.

Insectivorous plants grow in soil deficient in -

A. Calcium
B. Nitrogen
C. Magnesium
D. Water
Answer» C. Magnesium
437.

Hashish is obtained from aplant. From which part of the plant is it obtained?

A. Leaves
B. Stem
C. Exudate from leaves and female inflorescences.
D. Exudate from stem and male inflorescences.
Answer» D. Exudate from stem and male inflorescences.
438.

From which part of Opium plant we get morphine?

A. Leaves
B. Stem
C. Bark
D. Fruit coat
Answer» E.
439.

The plant from which cocoa and chocolate are obtained is a -

A. herb
B. shrub
C. small tree
D. very big tree
Answer» D. very big tree
440.

When the Left Ventricle in the human heart contracts, the blood moves to the -

A. Brain
B. Pulmonary Artery
C. Aorta
D. Lungs
Answer» D. Lungs
441.

Vitamin C is also known as -

A. Amino acid
B. Ascorbic acid
C. Acetic acid
D. Azelaic acid
Answer» C. Acetic acid
442.

Oxygen liberated during photo- synthesis is coming from :

A. Carbon dioxide
B. Water
C. Bresk down of chlorophy II
D. Atmosphere
Answer» C. Bresk down of chlorophy II
443.

The element which is the most abundant in the human body is :

A. Oxygen
B. Carbon
C. Iron
D. Nitrogen
Answer» B. Carbon
444.

, found in blood, is responsible for oxygen transportation.

A. WBC
B. Platelets
C. RBC
D. Plasma
Answer» D. Plasma
445.

First successful heart, transplantation was done by -

A. D.S. Paintal
B. C.N. Barnard
C. D. Shetty
D. P. K. Sen
Answer» C. D. Shetty
446.

Heart is devoid of -

A. cardiac muscle
B. involuntary muscle
C. voluntary muscle
D. smooth muscle
Answer» C. voluntary muscle
447.

What is the approximate time required for a heart-beat?

A. 0.5 second
B. 0.8 second
C. 0.5 minute
D. 1.0 minute
Answer» C. 0.5 minute
448.

The locomotory organ of 'Amoeba' is

A. Pseudopodia
B. Parapodia
C. Flagella
D. Cilia
Answer» B. Parapodia
449.

Potassium metabisulphate is used as a food preservative for

A. Squash
B. Tomato Ketchup
C. Fruit Juices
D. Pickles
Answer» D. Pickles
450.

Of the following man-made disasters, which is socially induced?

A. Debris Avalanche
B. Salt Water Intrusion
C. Arson
D. Ozone depletion
Answer» D. Ozone depletion