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.

451.

Asafoetida is obtained from

A. Exudation from the stem
B. Extraction from roots
C. Extraction from fruits
D. Extraction from leaves
Answer» C. Extraction from fruits
452.

Bladder worm is a larva of

A. Obelia
B. Silkmoth
C. Taenia
D. Nereis
Answer» D. Nereis
453.

___________ is the richest source of Vitamin-B.

A. Biscuits
B. Pulses
C. Cereals
D. Apple
Answer» D. Apple
454.

Choose an animal which possesses an open circulatory system.

A. Rabbit
B. Cockroach
C. Lion
D. Whale
Answer» C. Lion
455.

'GMO' is -

A. Genetically Mutant Organism
B. Genetically Modern Organism
C. Genetically Modified Organism
D. Genetically Mixed Organism
Answer» D. Genetically Mixed Organism
456.

Match the Plant structures given in Column - A with functions given in Column - B.Column AColumn BI. Stomata1. Absorption of waterII. Xylem2. TranspirationIII. Root hairs3. Transport of foodIV. Phloem4. Transport of water 5. Synthesis of CarbohydratesSelect the answer code.

A. I - 2, II - 4, III - 1, IV - 3
B. I - 1, II - 4, III - 3, IV - 2
C. I - 1, II - 4, III - 2, IV - 3
D. I - 5, II - 3, III - 1, IV - 2
Answer» B. I - 1, II - 4, III - 3, IV - 2
457.

As per the text ‘Charaka Samhita’ how many bones are there in a human body?

A. 206
B. 360
C. 370
D. 208
Answer» C. 370
458.

Hydrochloric acid is secreted in which part of our digestive system?

A. Mouth
B. Stomach
C. Liver
D. Small intestine
Answer» C. Liver
459.

Pellagra is caused through the deficiency of ________.

A. Ascorbic acid
B. Niacin
C. Riboflavin
D. Folic acid
Answer» C. Riboflavin
460.

First aid for strains, sprains and contusions is packaged in the abbreviation RICE, which stands for Rest, Icing, compression and ________.

A. Elevation
B. Explain
C. Expand
D. Expert
Answer» B. Explain
461.

Mushroom is a/an

A. Fungus
B. Animal
C. Slime mould
D. Plant
Answer» B. Animal
462.

Bicuspid valve is found in

A. the left side of heart
B. the right side of heart
C. both sides of heart
D. all the arteries of heart
Answer» B. the right side of heart
463.

If a father is Rh positive and mother Rh negative, the mother is given _________ immediately after her first delivery.

A. Rh antigen
B. RhoGAM antibodies
C. Protease
D. A mixture of all of the given
Answer» C. Protease
464.

In Which plant structure a negative pressure potential is abserved?

A. Root xylem
B. Stem xylem
C. Leaf xylem
D. Root pith
Answer» B. Stem xylem
465.

Biological catalysts are protein molecules which1. speed up a chemical reaction.2. remain unchanged after the reaction.3. function optimally at 37°C.4. do not have enzymatic activity.Select the correct answer using the code given below.

A. 1 only
B. 1, 2 and 3
C. 2 and 3 only
D. 1, 3 and 4
Answer» C. 2 and 3 only
466.

Gossypium belongs to family

A. Solanaceae
B. Malvaceae
C. Asteraceae
D. None of these
Answer» C. Asteraceae
467.

Migration of cancerous cells from the site of origin to other parts of the body forming secondary tumours is called :

A. Diapedesis
B. Metastasis
C. Proliferation
D. None of the above
Answer» C. Proliferation
468.

Malaria can be cured by administering -

A. Streptomycin
B. Quinine
C. Paracetamol
D. Penicillin
Answer» C. Paracetamol
469.

_________ will prescribe tests to pinpoint _______ on the basis of symptoms

A. Surgeons, allergy
B. Physicians, disease
C. ENT specialists, problem
D. Gynaecologists, discomfort
Answer» C. ENT specialists, problem
470.

In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _________.

A. Xylem fibres
B. Xylem parenchyma
C. Exarch
D. Endarch
Answer» E.
471.

In birds, sound is produced by ________.

A. Air sacs
B. Trachea
C. Larynx
D. Syrinx
Answer» E.
472.

Plasmolysis in a plant cell is defined as the__________.

A. break down of plasma membrane in hypotonic medium
B. shrinkage of nucleoplasm
C. shrinkage of cytoplasm in hypertonic medium
D. none of the above
Answer» D. none of the above
473.

Mesothelioma is a malignant tumor that is caused by1. Cadmium2. Arsenic3. Asbestos4. LeadSelect the correct answer using the code given below:

A. Only 2
B. Only 1 and 4
C. Only 2 and 3
D. Only 3
Answer» E.
474.

In which of the following organs of human body are carbohydrates stored as glycogen?

A. Stomach
B. Liver
C. Large intestine
D. Small intestine
Answer» C. Large intestine
475.

How many molecules of ATP are obtained by the anaerobic respiration of one molecule of glucose?

A. 38
B. 2
C. 4
D. 36
Answer» C. 4
476.

Edible part of banana is-

A. Pericarp
B. Epicarp
C. Endocarp and mesocarp
D. Epicarp and mesocarp
Answer» D. Epicarp and mesocarp
477.

If one set of chromosomes for a given plant is represented as N; in case of double fertilization, the zygote and the endosperm nucleus of a diploid plant would have how many sets of chromosomes respectively?

A. N and 2 N
B. 2 N and 2 N
C. N and 3 N
D. 2 N and 3 N
Answer» E.
478.

10% of the bases in a DNA molecule are guanine. What could be the % of Thymine in that sample?

A. 40%
B. 80%
C. 20%
D. 10%
Answer» B. 80%
479.

HIV is passed from one person to another except which one of the following ways:

A. Mosquito bite
B. Breast Feeding
C. Sharing Needles
D. Sexual Contact
Answer» B. Breast Feeding
480.

Normal haemoglobin content of an adult man is ________.

A. 5 gm/100 ml of blood
B. 7 gm/100 ml of blood
C. 14.5 gm/100 ml of blood
D. 18.5 gm/100 ml of blood
Answer» D. 18.5 gm/100 ml of blood
481.

Match the following:List - IList – IIA. Goitre1. Vitamin ‘A’B. Hemophilia2. Yellowing of eyesC. Jaundice3. Vitamin ‘K’D. Night blindness4. Iodine deficiency

A. A-1, B-2, C-3, D-4
B. A-4, B-3, C-1, D-2
C. A-3, B-4, C-2, D-1
D. A-4, B-3, C-2, D-1
Answer» E.
482.

About how much blood is there in the circulatory system of an average person?

A. 7 liters
B. 2 liters
C. 5 liters
D. 13 liters
Answer» D. 13 liters
483.

In 1956, Minamata disease was caused by which type of pollution?

A. Air pollution
B. Water pollution
C. Noise pollution
D. Soil pollution
Answer» C. Noise pollution
484.

In the nephron of man, what is the correct sequence of urine formation?

A. Selective reasorption, tubular secretion and ultrafiltration
B. Ultrafiltration, tubular secretion and selective reabsorption
C. Ultrafiltration, selective reabsorption and tubular secretion
D. Tubular secretion, selective reabsorption and ultrafiltration
Answer» D. Tubular secretion, selective reabsorption and ultrafiltration
485.

Ascaris a kind of worm lives in which part of the human body?

A. Small intestine
B. Large intestine
C. Kidneys
D. Liver
Answer» B. Large intestine
486.

Fossilization is also known by the name

A. Acclimatization
B. Pasteurization
C. Preservation
D. Tyndallization
Answer» D. Tyndallization
487.

Octopuses have ______ heart(s).

A. one
B. three
C. four
D. two
Answer» C. four
488.

Open type blood vascular system is found in

A. Earthworm
B. Lizard
C. Cockroach
D. Toad
Answer» D. Toad
489.

In bees, 'waggle' dance is meant for

A. Reproduction
B. Communication
C. Visiting the source of food
D. Killing foreign beings
Answer» D. Killing foreign beings
490.

In sexual reproduction a parent contributes:

A. Half of their chromosomes
B. Three-fourth of their chromosomes
C. All the chromosomes
D. One-fourth of their chromosomes
Answer» B. Three-fourth of their chromosomes
491.

All muscles which are attached to bones are

A. Unstriped muscles
B. Unstriped and striped muscles
C. Cardiac muscles
D. Only Striped muscles
Answer» E.
492.

In which stage of meiosis does synapsis take place?

A. Leptotene
B. Pachytene
C. Zygotene
D. Metaphase I
Answer» D. Metaphase I
493.

Pulse beat is measured from-

A. Capillary
B. Nerve
C. Artery
D. Vein
Answer» D. Vein
494.

Directions: The following items consist of two statements, Statement I and Statement II. You are to examine these two statements carefully and select the answers to these items using the code given below:Statement I: Growth of plants is smooth with a complete fertilizer.Statement II: A complete fertilizer always contains N, P, K.

A. Both the statements are individually true and Statement II is the correct explanation of statement I
B. Both the statements are individually true but Statement II is not the correct explanation of Statement I
C. Statement I is true but Statement II is false
D. Statement I is false but Statement II is true
Answer» C. Statement I is true but Statement II is false
495.

If cells are kept in some solution and the net result is that the cell swells up, then the solution is ______.

A. hypertonic solution
B. isotonic solution
C. hypotonic solution
D. acidic solution
Answer» D. acidic solution
496.

A pure red flower bearing plant is crossed with a pure white flower and the F1 plant bears pink flowers. This is an example of

A. Pseudo dominance
B. Dominance
C. Epistasis
D. Co-dominance
Answer» B. Dominance
497.

Neoteny is observed in

A. Ambystoma
B. Alytes
C. Sycon
D. Sacculina
Answer» B. Alytes
498.

Most common nitrogen fixing cyanobacterium of paddy field is

A. Cylindrospermum
B. Aulosira
C. Oscillatoria
D. Nostoc
Answer» C. Oscillatoria
499.

Persea Americana is commonly known as _______.

A. Avocado
B. Watermelon
C. Orange
D. Grapes
Answer» B. Watermelon
500.

In human muscle, breakdown of glucose in absence of oxygen crates which chemical compound?

A. Lactic acid
B. Methanol
C. Carbon di Oxide
D. Ethanol
Answer» B. Methanol