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.

1751.

Male gametes or sperms are produced in the:

A. Ovaries
B. Penis
C. Testis
D. Sperm ducts
Answer» D. Sperm ducts
1752.

Green algae are green because of:

A. phycoerythrin
B. chlorophyll
C. xanthophylls
D. phycobilin
Answer» C. xanthophylls
1753.

Diabetes is caused by________.

A. Excess of insulin
B. Low production of Insulin
C. Malfunction of liver
D. Higher production of bilirubin
Answer» C. Malfunction of liver
1754.

In which part of the body are the Tarsal bones found?

A. Ear
B. Leg
C. Head
D. Hand
Answer» C. Head
1755.

Cholera is caused by the bacteria called-

A. Salmonella typhi
B. Clostridium botulinum
C. Treponema palladium
D. Vibrio cholerae
Answer» E.
1756.

A type of reproduction in which a part of a plant body develops into a new individual is called _________.

A. fission
B. regeneration
C. vegetative propagation
D. sexual propagation
Answer» D. sexual propagation
1757.

Identify the prokaryotic cell from the following.

A. Cell of blue green algae
B. Cell of bread mould
C. Human cheek cell
D. Onion cell
Answer» B. Cell of bread mould
1758.

Influenza disease is caused by which of the following?

A. Bacteria
B. Virus
C. Fungi
D. Protozoan
Answer» C. Fungi
1759.

‘Proboscis’ with reference to an elephant is its ______.

A. tusks
B. head
C. trunk
D. legs
Answer» D. legs
1760.

In the process of Photosynthesis Carbon Dioxide(CO2) is reduced to which of the components?

A. Protein
B. Fats
C. Carbohydrates
D. None of the above
Answer» D. None of the above
1761.

Arthritis is a disease that affects the

A. bones
B. Lungs
C. Joints
D. Brain
Answer» D. Brain
1762.

In amphibians, cells that form the neural tube come from the

A. ectoderm
B. mesoderm
C. notochord
D. somites
Answer» B. mesoderm
1763.

In 1930, which scientist was awarded the Nobel Prize for describing the human ABO blood group system?

A. Karl Landsteiner
B. Albert Claude
C. George Wald
D. Roger Guillemin
Answer» B. Albert Claude
1764.

If the stomach did not produce any hydrochloric acid, which enzyme will not function?

A. Ptyalin
B. Rennin
C. Pepsin
D. Lipase
Answer» D. Lipase
1765.

Name the vaccine used to prevent typhoid.

A. BCG
B. Oral drops
C. DPT vaccination
D. TAB vaccine
Answer» E.
1766.

Bath sponge is

A. Euplectella
B. Gorgonia
C. Euspongia
D. Vallella
Answer» D. Vallella
1767.

Identify the microorganism from which the first antibiotic was obtained.

A. Penicillium
B. Rhizopus
C. Staphylococcus
D. Aspergillus
Answer» B. Rhizopus
1768.

Organelle that aid in storage and secretion of chemical substances is ______.

A. Ribosomes
B. Golgi bodies
C. Plastids
D. Vacuoles
Answer» C. Plastids
1769.

A drug that prevents infection and decay is called a / an?

A. Germicide
B. Antimalarial drug
C. Antiseptic
D. Analgesic
Answer» D. Analgesic
1770.

Olericulture is related to the production and marketing of

A. Flower
B. Grapefruit
C. Grapes
D. Vegetables
Answer» E.
1771.

Jaundice results from malfunctioning of the?

A. Lungs
B. Kidney
C. Stomach
D. Liver
Answer» E.
1772.

During heavy exercise, we get cramps in the legs due to the accumulation of ______.

A. Carbon dioxide
B. Lactic acid
C. Alcohol
D. Water
Answer» C. Alcohol
1773.

Malaria can be cured with a drug extracted from?

A. Belladonna tree
B. Amaltas tree
C. Oak tree
D. Cinchona tree
Answer» E.
1774.

Muscles are attached to the bones by means of:

A. ligaments
B. tendons
C. ribs
D. fibula
Answer» C. ribs
1775.

A phytohormone is

A. naturally produced
B. synthetic substance
C. both (1) and (2)
D. None of these
Answer» D. None of these
1776.

Chromosomes contain

A. Protein only
B. DNA and protein
C. DNA, RNA and protein
D. DNA, RNA, histone and non-histone proteins
Answer» E.
1777.

Find out the mismatched set of muscle features.

A. Skeletal – voluntary
B. Skeletal – striped
C. Smooth – unstriped
D. Smooth – voluntary
Answer» E.
1778.

Consider the following1. Bats2. Bears3. RodentsThe phenomenon of hibernation can be observed in which of the above kinds of animals?

A. 1 and 2 only
B. 2 only
C. 1, 2 and 3
D. Hibernation cannot be observed in any of the above
Answer» D. Hibernation cannot be observed in any of the above
1779.

‘Altitude sickness’ is caused at high altitude due to

A. the high partial pressure of oxygen.
B. the low partial pressure of oxygen.
C. low level of haemoglobin.
D. the high partial pressure of carbon dioxide.
Answer» C. low level of haemoglobin.
1780.

Capra Hircus is the scientific name of ________.

A. Sheep
B. Cow
C. Horse
D. Goat
Answer» E.
1781.

If a human disease breaks out across a large region of the world, what is it called?

A. Pandemic
B. Epidemic
C. Endemic
D. Epizootic
Answer» B. Epidemic
1782.

Choose the option that is NOT true about vascular system.

A. Blood flows at high pressure, with jerk and faster in them.
B. Human heart is the size of an open hand
C. Blood is commonly called the river of life
D. It forms about 7-8% of the body weight
Answer» C. Blood is commonly called the river of life
1783.

Chlorophyll in photosynthetic prokaryotic bacteria is associated with ________.

A. plastids
B. membranous vesicles
C. nucleoids
D. chromosomes
Answer» C. nucleoids
1784.

Another name of Java man is

A. Pithecanthropus erectus
B. Homo erectus
C. Homo habilis
D. Both (1) and (2)
Answer» E.
1785.

Covalently bonded molecules have low melting and boiling points because:

A. Intermolecular forces are medium
B. Intermolecular forces are strong
C. Intermolecular forces are very strong
D. Intermolecular forces are weak
Answer» E.
1786.

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

A. algae and bacheria
B. algae and fungi
C. bacteria and fungi
D. fungi and mosses
Answer» C. bacteria and fungi
1787.

________ is a part of the male reproductive system in plants.

A. Style
B. Stigma
C. Ovary
D. Stamen
Answer» E.
1788.

One litre of blood carries how much oxygen to the body tissues

A. 200 ml
B. 50 ml
C. 100 ml
D. 500 ml
Answer» C. 100 ml
1789.

Hibiscus can be easily propagated by

A. Fragmentation
B. Budding
C. Stem cutting
D. Spore formation
Answer» D. Spore formation
1790.

Five class classification was proposed by?

A. Whittaker
B. Huxely
C. Linnaeus
D. Lamarck
Answer» B. Huxely
1791.

Haemoglobin is

A. The iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates
B. The iron-containing nitrogen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates
C. The iron-containing oxygen-transport in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates
D. The iron-containing oxygen-transport metalloprotein in the red blood cells of all vertebrates as well as the tissues of some invertebrates
Answer» B. The iron-containing nitrogen-transport metalloprotein in the red blood cells of all vertebrates with the exception of the fish family as well as the tissues of some invertebrates
1792.

Blood leaving the liver and moving towards the heart has a higher concentration of _____.

A. Lipids
B. Urea
C. Bile Pigments
D. Carbon dioxide
Answer» D. Carbon dioxide
1793.

Epidermal cells of plant roots increase their absorption surface by having

A. Scales
B. Root hairs
C. Endodermis
D. Stomata
Answer» C. Endodermis
1794.

Fats and oils belong to the naturally occurring group of compounds called

A. Carbohydrates
B. Lipids
C. Proteins
D. Terpenes
Answer» C. Proteins
1795.

Colour of the plants is green due to the presence of _________.

A. Carbon dioxide
B. Chlorophyll
C. Urea
D. Oxygen
Answer» C. Urea
1796.

Most common disease of poultry in India is

A. fowl pox
B. tick fever
C. ranikhet
D. coryza
Answer» D. coryza
1797.

Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of

A. hormones
B. enzymes
C. proteins
D. vitamins
Answer» C. proteins
1798.

Movements due to light are shown by

A. flowering plants
B. lower plants
C. all land plants
D. all the plants
Answer» B. lower plants
1799.

Radioactivity is a phenomenon of the spontaneous emission of

A. protons (alpha particles)
B. electrons (beta particles)
C. gamma rays (short wave electromagnetic waves)
D. All of the above
Answer» E.
1800.

After receptors sense stimulus produce a

A. negative feedback
B. self imposed sweating
C. self-corrective mechanism
D. postitive feedback
Answer» D. postitive feedback