Explore topic-wise MCQs in Current Affairs.

This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

951.

If the size of the nucleus of an atom is compared with a cricket ball, then the radius of the atom is approximately equal to how many kilometres?

A. 0.5
B. 0.005
C. 5
D. 0.05
Answer» D. 0.05
952.

Prothrombin, responsible for clotting of blood is released by _______

A. Small Intestine
B. Blood Platelets
C. Large Intestine
D. Heart
Answer» C. Large Intestine
953.

_______ has specialised tissue for conduction of water.

A. Fungi
B. Bryophyta
C. Gymnosperms
D. Thallophyta
Answer» D. Thallophyta
954.

Consider the following statement in reference to the Phylogenetic classification system.1. It shows an evolutionary relationship between various organisms on the basis of descent from a common ancestor.2. In this system, the cladistics method is used in generating phylogenetic trees.3. It was proposed by Swedish Botanist Carolus Linnaeus.Which of these statements given above is/are correct?

A. 1 and 2 only
B. 2 only
C. 3 only
D. 1 only
Answer» B. 2 only
955.

Match the following:List - IList - II(a) Glucose(i) Polysaccharide with Nitrogen-containing carbohydrates(b) Starch(ii) Monosaccharides(c) Maltose(iii) Polysaccharides(d) Chitin(iv) Disaccharides

A. (a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)
B. (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
C. (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)
D. (a) - (ii), (b) - (iv), (c) - (iii), (d) - (i)
Answer» B. (a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
956.

Air ________ are the substances which contaminate the air.

A. Reactants
B. Irritants
C. Resistants
D. Pollutants
Answer» E.
957.

'Cristae' helps in

A. Photosynthesis
B. Respiration
C. Photo-oxidation
D. Transpiration
Answer» C. Photo-oxidation
958.

If an organism can be cut into two identical halves in a single plane of division, then the organism is said to be:

A. Radially symmetrical
B. Asymmetrical
C. Transversely symmetrical
D. Bilaterally symmetrical
Answer» E.
959.

In meiotic division, pairing of homologous chromosomes take place at:

A. Leptotene stage
B. Zygotene stage
C. Pachytene stage
D. Diplotene stage
Answer» C. Pachytene stage
960.

Cuttlefish belongs to phylum ________.

A. Echinodermata
B. Mollusca
C. Annelida
D. Pisces
Answer» C. Annelida
961.

'Canis lupus' is commonly known as ________.

A. Gray wolf
B. Goat
C. Hen
D. Cow
Answer» B. Goat
962.

In which of the following fish the swim bladder is absent?

A. Cattle Fish
B. Bony Fish
C. Silver Fish
D. Cartilaginous Fish
Answer» E.
963.

Blue baby syndrome (Methaemoglobinemia) is caused by the contamination water by:

A. Phosphates
B. Sulphur
C. Arsenic
D. Nitrates
Answer» E.
964.

A vegetable which is also known as flower is

A. pea
B. broccoli
C. celery
D. lettuce
Answer» C. celery
965.

Poison fangs of snakes are

A. maxillary teeth
B. specialized structures
C. premaxillary teeth
D. vomerine teeth
Answer» B. specialized structures
966.

On what basis Greek thinker Aristotle classified the animals for the first time?

A. Habitat
B. Size
C. Locomotion
D. Food
Answer» B. Size
967.

Number of permanent tentacles formed in humans:

A. ​38
B. 32
C. 34
D. 36
Answer» C. 34
968.

In which process plants convert potential energy into kinetic energy?

A. Absorption process
B. Respiration
C. Photosynthesis
D. Reproduction
Answer» D. Reproduction
969.

Prostate in human body is a ________.A. Connective tissueB. GlandC. MembraneD. Muscle

A. D
B. A
C. B
D. C
Answer» D. C
970.

A person suffering from bleeding gum needs ________ in his food.

A. Vitamin C
B. Vitamin A
C. Vitamin B12
D. Vitamin K
Answer» B. Vitamin A
971.

From the below items, pick the odd one out: Carbohydrates, Water, Roughage and Vitamins.

A. Carbohydrates
B. Water
C. Roughage
D. Vitamins
Answer» C. Roughage
972.

Antibiotic such as penicillin blocks _______.

A. cell wall formation in bacteria
B. RNA synthesis in bacteria
C. DNA synthesis in bacteria
D. division in bacteria
Answer» B. RNA synthesis in bacteria
973.

Cyclops is the secondary host of

A. Hook-worm
B. Pin-worm
C. Giuinea-worm
D. Round-worm
Answer» D. Round-worm
974.

From which part of the carpel are the seeds formed?

A. Ovule
B. Ovary
C. Style
D. Stigma
Answer» B. Ovary
975.

Kidneys are helping to maintain pH balance by which of the following?

A. Adding hydrogen ions to filtrate
B. Removal of hydrogen ions from blood
C. Dissolving calcium and sodium ions in blood
D. Removing carbonate ions from blood
Answer» C. Dissolving calcium and sodium ions in blood
976.

(i) ______ will help you to (ii) ______ waste products.

A. (i) Kabariwalas, (ii) decompose
B. (i) Composting, (ii) reduce
C. (i) Blue and Green bins, (ii) reduce
D. (i) Rechargeable batteries, (ii) segregate
Answer» C. (i) Blue and Green bins, (ii) reduce
977.

Goitre is a disease caused by-

A. Overeating
B. Excessive secretion of thyroxin
C. Deficiency of iodine
D. Defective growth hormone
Answer» D. Defective growth hormone
978.

Littoral form of animals is found

A. in fresh water
B. in sea water near the shore
C. in deep sea
D. at the bottom of the sea
Answer» E.
979.

Nonsense codons are

A. AUG, AAU, UAG
B. GGU, AGU, AUG
C. UAG, UAA, UGA
D. GAU, AAU, GUA
Answer» D. GAU, AAU, GUA
980.

Amount the following taxonomic categories, which one occupies the highest place in the taxonomic hierarchy as compared to the remaining three?

A. Family
B. Order
C. Genus
D. Species
Answer» C. Genus
981.

Muscle is connected to the bone by ______.

A. Cartilage
B. Ligaments only
C. Both ligaments and tendons
D. Tendons only
Answer» E.
982.

Itai-itai disease is caused by the toxicity of which of the following elements?

A. Mercury
B. Cadmium
C. Lead
D. Arsenic
Answer» C. Lead
983.

Lactose is composed of ________ and glucose.

A. Fructose
B. Sucrose
C. Galactose
D. Maltose
Answer» D. Maltose
984.

Mangifera indica is the scientific name of which of the following plants?

A. Cabbage
B. Mango
C. Potato
D. Sunflower
Answer» C. Potato
985.

In human beings, certain chemicals which cross the synapse between nerve cells are released from

A. cell body of nerve cell
B. nucleus of nerve cell
C. nerve endings of nerve cell
D. axon of nerve cell
Answer» B. nucleus of nerve cell
986.

An offspring of a female lion and a male tiger is called a ______.

A. Liger
B. Savannah
C. Cama
D. Tigon
Answer» E.
987.

Hemophilia, a human disease, is caused by?

A. Bacterial infection
B. Viral infection
C. Fungal infection
D. Muntant gene
Answer» E.
988.

An erythrocyte lives for approximately ________.

A. One week
B. Twelve months
C. Four months
D. Four years
Answer» D. Four years
989.

Match the List-l with List-ll and select the correct answer.List-I (scientists)List-II (Area)A. Alan Turingi. PhysicB. Antoine Lavoisierii. GeneticsC. Issac Newtoniii. ChemistryD. Gregor Mendeliv. Computer

A. A-iv, B-ii, C-iii, D-i
B. A-iv, B-i, C-iii, D-ii
C. A-iv, B-iii, C-i, D-ii
D. A-iii, B-iv, C-i, D-ii
Answer» D. A-iii, B-iv, C-i, D-ii
990.

Indian made typhoid vaccine, approved by WHO was first introduced in the country

A. Nepal
B. Bangladesh
C. Mayanamar
D. Pakistan
Answer» E.
991.

Cadaver refers to ________.

A. a clinically alive human being
B. a dead human body used for anatomy
C. a live human being used for trail
D. resurrected human body
Answer» C. a live human being used for trail
992.

A type of asexual reproduction in which new plants are produced from roots, stems, leaves and buds is known as ______.

A. grafting propagation
B. layering propagation
C. budding propagation
D. vegetative propagation
Answer» E.
993.

How is the nitrogen taken up by the plants?I. In the form of inorganic nitrates or nitritesII. In the form of organic compoundsIII. Directly taken up from the atmosphere

A. Only I and II
B. Only I and III
C. Only II and III
D. All I, II and III
Answer» B. Only I and III
994.

Prokaryotes are included under the Kingdom of________ .

A. Protista
B. Plantae
C. Fungi
D. Monera
Answer» E.
995.

DOTS is a treatment given to patients suffering from?

A. Polio
B. AIDS
C. Tuberculosis
D. Hepatitis
Answer» D. Hepatitis
996.

AIDS virus destroys the body's-

A. Red blood corpuscles
B. Circulatory system
C. Liver
D. Immune system
Answer» E.
997.

An ophthalmologist is one who treats -

A. Skin
B. Bones
C. Eyes
D. Limbs
Answer» D. Limbs
998.

Crassinucellate ovule shows

A. Absence of nucellus
B. Well developed nucellus
C. Partly developed nucellus
D. III developed nucellus
Answer» C. Partly developed nucellus
999.

A gland which is found on the undersurface of the thighs of male lizard is

A. Sudorific gland
B. Femoral gland
C. Green gland
D. stink gland
Answer» C. Green gland
1000.

Build-up of which acid in our muscles during sudden activity causes cramps?

A. Lactic acid
B. Pyruvic acid
C. Carbonic acid
D. Oxalic acid
Answer» B. Pyruvic acid