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.

301.

Intercalary meristems are found ________.

A. At the growing tips of stems
B. At the tips of the leaves
C. At the growing tips of roots
D. At the base of the leaves
Answer» E.
302.

Foot and mouth disease in cattle is caused by which micro organisms?

A. Protozoa
B. Bacteria
C. Fungi
D. Viruses
Answer» E.
303.

A glucometer is generally used as a monitor by a ______ patient.

A. hypoglycemic
B. obstetric
C. neurological
D. hepatitis-B
Answer» B. obstetric
304.

Consider the following statements:1. Genetic changes can be introduced in the cells that produce eggs or sperms of a prospective parent.2. A person’s genome can be edited before birth at the early embryonic stage.3. Human induced pluripotent stem cells can be injected into the embryo of a pig.Which of the statements given above is/are correct?

A. 1 only
B. 2 and 3 only
C. 2 only
D. 1, 2 and 3
Answer» E.
305.

Name the chemical used to make tooth pastes white ?

A. Fluoride
B. Sorbitol
C. Titanium Oxide
D. Calcium Carbonate
Answer» D. Calcium Carbonate
306.

Match List I with List II and select the correct answer using the codes, given below the lists: List - I List – II A.Beri-beri 1.Vitamin AB.Haemorrhage2.Vitamin CC.Night blindness3.Vitamin KD.Scurvy4.Vitamin B1

A. A - 1, B - 2, C - 4, D - 3
B. A - 3, B - 2, C - 1, D - 4
C. A - 4, B - 3, C - 2, D - 1
D. A - 4, B - 3, C - 1, D - 2
Answer» E.
307.

Octopus is an the example of Phylum _________.

A. Mollusca
B. Arthropoda
C. Echinodermata
D. Hemichordata
Answer» B. Arthropoda
308.

In which organ of the human body are the lymphocytes formed?

A. Liver
B. Bone marrow
C. Spleen
D. Pancreas
E. None of the above / More than one of the above
Answer» C. Spleen
309.

From the given options, identify the tissue which has cell made of dense cytoplasm, thin cellulose walls and prominent vacuoles.

A. Collenchyma
B. Scelerenchyma
C. Meristem
D. Parenchyma
Answer» D. Parenchyma
310.

In which part of the body is blood produced?

A. Lungs
B. Heart
C. Brain
D. Bone Marrow
Answer» E.
311.

Identify the unisexual flower.

A. Petunia
B. Corn
C. Rose
D. Mustard
Answer» C. Rose
312.

Choose the correct combinations from the followingI) Auxin- Differentiation of shoots and rootsII) Gibberellins- Opening of stomataIII) Cytokinins- Delaying the aging in leavesIV) ABA- Seed dormancy

A. I, II, III
B. I, III, IV
C. II, III, IV
D. I, II, IV
Answer» D. I, II, IV
313.

Pollination by wind is called ______.

A. Anemophily
B. Hydrophily
C. Zoophily
D. Entomophily
Answer» B. Hydrophily
314.

Given below are two statements:Assertion (A): Human body is incapable of digesting cellulose.Reason (R): Starch degrading enzyme, diastase, is found in the human body.Choose the correct answer from the code given below:

A. Both (A) and (R) are true and (R) is the correct explanation of (A).
B. Both (A) and (R) are true but (R) is not the correct explanation of (A)
C. (A) is true but (R) is false
D. (A) is false but (R) is true
Answer» C. (A) is true but (R) is false
315.

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube?

A. Only embryo up to 32 cell stage
B. Only zygote
C. Either zygote or early embryo up to 8-cell stage
D. Only embryo up to 8-cell stage
Answer» D. Only embryo up to 8-cell stage
316.

In ____ tissue the cells are widely spaced.

A. Tendons
B. Cartilage
C. Bone
D. Ligament
Answer» C. Bone
317.

Deficiency of which of the following Vitamins prevents from the clotting of blood?

A. Vitamin A
B. Vitamin K
C. Vitamin E
D. Vitamin D
Answer» C. Vitamin E
318.

Gregor Johann Mendel came up with the theory of inheritance by studying:

A. animals
B. people
C. peas
D. carrots
Answer» D. carrots
319.

Name the blood cells which are found in abundance in the human body.

A. Red blood cells
B. Platelets
C. Blood proteins
D. White blood cells
Answer» B. Platelets
320.

In which of the flowering plants are buds produced in the notches along the leaf margin?

A. Bryophyta
B. Bryophyllum
C. Banana
D. Rose
Answer» C. Banana
321.

_______ of species is a reflection of their evolutionary relationships.

A. Characteristics
B. Adaptation
C. Illustration
D. Classification
Answer» E.
322.

Electroencephalogram (EEG) is used in monitoring

A. heart
B. liver
C. pancreas
D. brain
E. None of the above/More than one of the above
Answer» E. None of the above/More than one of the above
323.

A tadpole develops into an adult frog by the process of:

A. Metamorphosis
B. Fertilization
C. Budding
D. Cloning
Answer» B. Fertilization
324.

A colour blind person

A. Cannot see in dim light
B. Can see all objects of white colour
C. Cannot distinguish certain colours
D. Can see with lens of proper power
Answer» D. Can see with lens of proper power
325.

R.Q. stands for

A. effect of temperature
B. nature of respiratory
C. amount of water released
D. type of alcohol formed
Answer» C. amount of water released
326.

_____ is the instant source of energy.

A. Amino acid
B. Glucose
C. Fat
D. Protein
Answer» C. Fat
327.

Consider the following statements:1. In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.2. Sexual transmission of Zika virus disease is possible.Which of the statements given above is/are correct?

A. 1 only
B. 2 only
C. Both 1 and 2
D. Neither 1 nor 2
Answer» D. Neither 1 nor 2
328.

Nephrons are connected with ______.

A. Respiratory system
B. Nervous system
C. Circulatory system
D. Excretory system
Answer» E.
329.

Cartilage is NOT found in

A. Larynx
B. Nose
C. Ear
D. Urinary bladder
Answer» E.
330.

Balanoglossus is commonly known as

A. Earthworm
B. Tapeworm
C. Corn worm
D. Tongue worm
Answer» E.
331.

Gynoecium represents

A. ovaries with fused stigmas
B. ovaries with fused style
C. a single carpel
D. the whorl of carpels
Answer» E.
332.

Most _____ compounds are called Limes.

A. Phosphorous
B. Calcium
C. Sodium
D. Carbon
Answer» C. Sodium
333.

Double-helical structure of DNA was given by whom ?

A. Jacob and Monod
B. Watson and Crick
C. H.G. Khorana
D. None of the above
Answer» C. H.G. Khorana
334.

All organisms belonging to the kingdom Protista are

A. unicellular and eukaryotic
B. unicellular and prokaryotic
C. multicellular and prokaryotic
D. multicellular and eukaryotic
Answer» B. unicellular and prokaryotic
335.

In positive Geotropism:

A. Downward growth of plant roots is seen
B. Downward growth of plant shoots is seen
C. Upward growth of plant shoots is seen
D. Upward growth of plant roots is seen
Answer» B. Downward growth of plant shoots is seen
336.

Lichens are good indicator of:

A. Water pollution
B. Air pollution
C. Noise pollution
D. All of these
Answer» C. Noise pollution
337.

Normally how many times the human heart beats in a minute?

A. 82
B. 75
C. 72
D. 85
Answer» D. 85
338.

_______ does not belong to the class Annelida.

A. Nereis
B. Earthworm
C. Leech
D. Ascaris
Answer» E.
339.

On an average how many million Red Blood Cells are present in a healthy human adult man per mm3 of blood?

A. 5 - 5.5
B. 2 - 2.5
C. 1.5 - 2
D. 9 - 9.5
Answer» B. 2 - 2.5
340.

Knee joint is ______.

A. Pivot joint
B. Hinge joint
C. Ball and socket joint
D. Gliding joint
Answer» C. Ball and socket joint
341.

A plant having yellow leaves with dead spots has the deficiency of

A. Potassium
B. Magnesium
C. Nitrate
D. Phosphate
Answer» C. Nitrate
342.

Endoskeleton of scoliodon made up of

A. Cartilage
B. Bones
C. Scales
D. Plates
Answer» B. Bones
343.

'Gynaecomastia' stage can be observed is

A. Down's syndrome
B. Klinefelter syndrome
C. Turner syndrome
D. Edward syndrome
Answer» C. Turner syndrome
344.

Marsilea, Fern and Horse-tail are examples of which one of the following plant groups?

A. Pteridophyta
B. Bryophyta
C. Gymnosperms
D. Angiosperms
Answer» B. Bryophyta
345.

Chief function of bile is ________.

A. To digest roughage
B. To emulsify fat for digestion
C. To eliminate urine
D. To regulate the process of digestion
Answer» C. To eliminate urine
346.

Beauty of some historical monuments is greatly affected by the growth of certain living organisms. These living organisms belong to which one of the following groups?

A. Amphibious plants
B. Lichens
C. Bacteria
D. Viruses
Answer» C. Bacteria
347.

Chromosomal Karyotype is prepared at which of these Phases.

A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Answer» C. Anaphase
348.

If all the tissues except xylem of the main stem of a plant are removed in a ring ________.

A. The root dies first
B. The leaves die first
C. The root and leaves will die at the same time
D. Neither the leaves nor the roots will die
Answer» B. The leaves die first
349.

In which of the following pteridophyte 'elaters' are present:

A. Lycopodium
B. Selaginella
C. Equisetum
D. Marsilea
Answer» D. Marsilea
350.

Largest gland in human body is

A. Pancreas
B. Adrenal gland
C. Pituitary gland
D. Liver
Answer» E.