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.

1551.

Blood is an example of the ______ type of tissue.

A. Epithelial
B. Nervous
C. Muscle
D. Connective
Answer» E.
1552.

Genetic industry includes

A. Agriculture
B. Mining
C. Hunting
D. none of the above
Answer» B. Mining
1553.

Leukemia is a type of human disease which isA. a cancer of the white blood cellsB. caused by a deficiency of vitaminsC. cancer in the brainD. caused by an overdose of proteins

A. D
B. A
C. B
D. C
Answer» C. B
1554.

All energy is stored in pigment system-1 in

A. ATP
B. Carbohydrate
C. NADH2
D. P-700
Answer» E.
1555.

Phytohormones are _________.

A. regulators synthesized by plants influencing physiological processes
B. substance controlling diseases
C. substances used for photosynthesis
D. chemicals used for peeling
Answer» D. chemicals used for peeling
1556.

All life forms contain "molecules of life". These are

A. Carbohydrates
B. Proteins
C. Nucleic acids
D. All of the above
Answer» E.
1557.

A _________ is species of plant that has adapted to survive in an environment with little liquid water.

A. xerophyte
B. hydrophyte
C. mesophyte
D. thallophyte
Answer» B. hydrophyte
1558.

A plant which needs not less than ten hours of light to flower should be a

A. long day plant
B. short day plant
C. day neutral plant
D. none of these
Answer» B. short day plant
1559.

________ are called suicidal bags of the cell.

A. Ribosomes
B. Lysosomes
C. Golgi Apparatus
D. Mitochondria
Answer» C. Golgi Apparatus
1560.

Excessive consumption of ethanol causes damage to the _______.

A. Lungs
B. Kidneys
C. Brain
D. Heart
E. Liver
Answer» F.
1561.

Earthworm possesses hearts:

A. 6 pairs
B. 4 pairs
C. pairs
D. 1 pairs
Answer» C. pairs
1562.

In sexual reproduction the male gametes are generally ________.

A. Only motile
B. Only small
C. Both motile and small
D. Only food stores
Answer» D. Only food stores
1563.

In which stage of mitotic cell division, chromosomes loose their identity?

A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
Answer» E.
1564.

A human adult's entire digestive tract from mouth to anus is about ______ meters long.A. 8B. 7C. 10D. 9

A. B
B. D
C. C
D. A
Answer» C. C
1565.

Malfunctioning of which of the following organs causes jaundice?

A. Stomach
B. Pancreas
C. Liver
D. Kidney
Answer» D. Kidney
1566.

Agar oil is found from

A. infected agar-leaves
B. agar-roots
C. infected agar-wood
D. agar-leaves
Answer» D. agar-leaves
1567.

Body temperature is regulated by -

A. medulla
B. thalamus
C. hypothalamus
D. cerebellum
E. None of the above / More than one of the above
Answer» D. cerebellum
1568.

In plant reproduction, a fusion of the second male gamete with secondary nucleus forms this structure with this nuclear condition

A. Nucellus - 3n
B. Zygoto - 2n
C. Perisperm - 2n
D. Endosperm - 3n
Answer» E.
1569.

_______ is inflammation of the thin tissue that surrounds the brain and spinal cord.

A. Hepatitis
B. Scleroderma
C. Meningitis
D. Gonorrhea
Answer» D. Gonorrhea
1570.

Phreatophytes are the plants adapted to grow in

A. moist shaded places
B. rocky enviroments
C. arid enviroments
D. active volcanic lava
Answer» D. active volcanic lava
1571.

Birds have:

A. two-chambered heart
B. one-chambered heart
C. four-chambered heart
D. three-chambered heart
Answer» D. three-chambered heart
1572.

By which process, a tadpole develops into an adult frog?

A. Fertilisation
B. Metamorphosis
C. Embedding
D. Budding
Answer» C. Embedding
1573.

_________ is the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.

A. Natality
B. Mortality
C. Immigration
D. Emigration
Answer» D. Emigration
1574.

A Eukaryotic cell has membrane bound organelles, including a nucleus, which allow cellular processes to be carried out in _________

A. Bifurcation
B. Isolation
C. Inclusion
D. Cassation
Answer» C. Inclusion
1575.

Market Gardening comes in the category ________.

A. Horticulture
B. Monoculture
C. Subsistence farming
D. Sericulture
Answer» B. Monoculture
1576.

Citrullus lanatus is the botanical name for _________.

A. Apple
B. Watermelon
C. Orange
D. Banana
Answer» C. Orange
1577.

Nerve cells does not contain:

A. Dendrites
B. Tendons
C. Axons
D. Nerve endings
Answer» C. Axons
1578.

A plant bearing two types of spores is termed as

A. heterospory
B. seed habit
C. homospory
D. all of these
Answer» B. seed habit
1579.

In which of the following we find Myocytes cells?

A. liver
B. heart
C. eye
D. spleen
Answer» C. eye
1580.

In which of the following, the asexual reproduction takes place by 'gemma':

A. Riccia
B. Marchantia
C. Funaria
D. Pogonatum
Answer» C. Funaria
1581.

Mushrooms and other microorganisms feed on dead plant and animal tissues and convert them into ______

A. Sod
B. Peat
C. Clod
D. Humus
Answer» E.
1582.

In human beings, the vibration of the _______ produces sound.

A. tracheal cords
B. vocal cords
C. buccal cabity
D. pharynx
Answer» C. buccal cabity
1583.

Identify 1, 2, 3 and 4 in the given picture of a neuron

A. Nucleus 2. Dendrite 3. Axon 4. Motor end plate
B. Cell body 2. Dendrite 3. Axon 4. Nerve ending
C. Cell body 2. Axon 3. Dendrite 4. Nerve ending
D. Cell body 2. Dendrite 3. Myelin sheath 4. Nerve ending
Answer» C. Cell body 2. Axon 3. Dendrite 4. Nerve ending
1584.

Alexander Fleming is best known for the discovery of:

A. Penicillin
B. Proton
C. Bacteria
D. X rays
Answer» B. Proton
1585.

Consider the following minerals:1. Calcium2. Iron3. SodiumWhich of the minerals given above is/are required by the human body for the contraction of muscles?

A. 1 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
Answer» E.
1586.

Oxytocin affects one of the following:

A. Kidney
B. Bone marrow
C. Uterus
D. Liver
Answer» D. Liver
1587.

Photosynthesis in plants converts light energy to ______ energy.

A. thermal
B. chemical
C. kinetic
D. physical
Answer» C. kinetic
1588.

Loss of flight and becoming good swimmer, is the adaptation of which one?

A. Polar bear
B. Fish
C. Penguin
D. Bird
Answer» D. Bird
1589.

If a person is infected with some deadly microbes to which quick immune response is required, we need to directly inject the preformed antibodies. This type of immunisation is known as:

A. Active immunisation
B. Passive immunisation
C. Allergic immunisation
D. No such type of immunisation exist
Answer» C. Allergic immunisation
1590.

In order to save the stored food grains from insects, farmers usually mix with them

A. Neem leaves
B. Mango leaves
C. Peepal leaves
D. Orange leeves
Answer» B. Mango leaves
1591.

How many legs does an insect have?

A. 2
B. 3
C. 4
D. 6
Answer» E.
1592.

Deficiency of which vitamin causes scurvy disease?

A. Vitamin A
B. Vitamin B6
C. Vitamin K
D. Vitamin C
Answer» E.
1593.

Identify the viral diseases from the list mentioned below.I. TyphoidII. MeaslesIII. Dengue FeverIV. AnthraxV. Malaria

A. i and ii only
B. iv and v only
C. iii and v only
D. ii and iii only
Answer» E.
1594.

Plants of which group are predominantly aquatic?

A. Thallophyta
B. Bryophyta
C. Pteridophyta
D. No option is correct.
Answer» B. Bryophyta
1595.

It is difficult of kill viruses because they

A. consist of tough protein coat
B. are very small in size
C. lack cellular structure
D. spend a lot of time inside the hosts cells
Answer» E.
1596.

From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution ?

A. Otter — Tortoise — Shark
B. Shark — Tortoise — Otter
C. Tortoise — Shark — Otter
D. Shark — Otter — Tortoise
Answer» C. Tortoise — Shark — Otter
1597.

Cholesterol is synthesized in ________.

A. Brunner’s
B. Kidney
C. Liver
D. Stomach
Answer» D. Stomach
1598.

Due to the outbreak of which virus did the WHO declare a Public Health Emergency of International Concern in February, 2016 ?

A. Zika
B. Ebola
C. Swine Flu
D. Chikungunya
Answer» B. Ebola
1599.

________ is a non-infectious disease.

A. Influenza
B. Small pox
C. Measles
D. High blood pressure
Answer» E.
1600.

________ tissue is found beneath the skin, around the kidneys, and between the internal organs.

A. Ligament
B. Areolar
C. Tendons
D. Adipose
Answer» E.