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.

1401.

Pines are examples of ________.

A. Gymnosperm
B. Monocotyledonae
C. Angiosperm
D. Pteridophyta
Answer» B. Monocotyledonae
1402.

Haemoglobin is an important component of ________.

A. White blood cells
B. Red blood cells
C. Plasma
D. All options are correct
Answer» C. Plasma
1403.

Meiotic cell division takes place in

A. Root tip
B. Short tip
C. Floral bud
D. All of these
Answer» D. All of these
1404.

Independent sporophyte is present in

A. Anthoceros
B. Funaria
C. Marchantia
D. Adiantum
Answer» E.
1405.

'Cataract' is a disease that affects the ________.

A. Heart
B. Eyes
C. Ears
D. Legs
Answer» C. Ears
1406.

Polio is caused by which of the following organisms?

A. Virus
B. Fungi
C. Bacteria
D. Protozoa
Answer» B. Fungi
1407.

Consider the following statements:1. All Echinoderms are not marine2. Sponges are exclusively marine3. Insects are found in all kinds of habitats4. Many primates are arborealWhich of the statements given above is/are correct?

A. 1, 3 and 4 only
B. 3 and 4 only
C. 2 and 4 only
D. 3 only
Answer» C. 2 and 4 only
1408.

Powdery mildew is a major disease of which fruit crops?

A. Mango
B. Ber
C. Grape
D. All of these
Answer» B. Ber
1409.

Bone cells are embedded in a hard matrix that is composed of _________.

A. Ca and Na
B. P and Na
C. Ca and F
D. Ca and P
Answer» E.
1410.

In which part of the cell, the glucose is converted into pyruvate?

A. Mitochondria
B. Nucleus
C. Cytoplasm
D. Endoplasmic reticulum
Answer» D. Endoplasmic reticulum
1411.

DNA is stored majorly in ______ of the cell.

A. nucleus
B. cytoplasm
C. golgi body
D. plasma membrane
Answer» B. cytoplasm
1412.

Main excretory product in birds and reptiles is

A. Urea
B. Uric acid
C. Ammonia
D. Guanine
Answer» C. Ammonia
1413.

‘Athelete’s foot’, is a disease caused by?

A. Fungi
B. Protozoa
C. Bacteria
D. Nematode
Answer» B. Protozoa
1414.

In some trees, copper deficiency may cause blisters and deep slits in the bark from which exudes gum. This disease is known as

A. Exanthema
B. White bud
C. Dieback
D. Necrosis
Answer» B. White bud
1415.

Kala-azar is transmitted by

A. Phlebotomus
B. Glossina
C. Pediculus
D. Aedes
Answer» B. Glossina
1416.

Artocarpusintegra is the scientific name of ________.

A. Guava
B. Pineapple
C. Silver Oak
D. Jack fruit
Answer» E.
1417.

Other than Jatropha curcas, why is Pongamia Pinnata also considered a good option for the production of bio-diesel in India?1. Pongamia pinnata grows naturally in most of the arid regions of India.2. The seeds of Pongamia pinnata are rich in lipid content of which nearly half is oleic acid.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
1418.

'Citrus Canker' disease is caused by:

A. Pseudomonas
B. Xanthomonas
C. Bacilus
D. None of these
Answer» C. Bacilus
1419.

In human body, vertebrae are part of________

A. Intestine
B. Liver
C. Spinal cord
D. Brain
Answer» D. Brain
1420.

Brackish water ecosystem contains high amount of ________ content.

A. Salt
B. Sugar
C. Iron
D. Manganese
Answer» B. Sugar
1421.

Asbestos is a mineral fibre that can pollute air or water and cause-

A. Mesothelioma, lung cancer and asbestosis
B. Mesothelioma
C. Asbestosis
D. Lung cancer
Answer» B. Mesothelioma
1422.

Cell wall is not present in cells of

A. Bacteria
B. Plants
C. Fungi
D. Humans
Answer» E.
1423.

Plants synthesize food by photosynthesis. Following are essential during the process of photosynthesis:

A. Oxygen, water, sunlight and chlorophyll
B. Oxygen, sugar, sunlight and water
C. Carbon dioxide, water, sunlight and chlorophyll
D. Carbon dioxide, sugar, water and sunlight
Answer» D. Carbon dioxide, sugar, water and sunlight
1424.

An oil producing gland on the tail of some birds is known as

A. Preen gland
B. Mucus gland
C. Green gland
D. Sebaceous gland
Answer» B. Mucus gland
1425.

Kidneys are vital organs of the body because they help in

A. regulation of body fluids
B. regulation of acid-base balance
C. removal of metabolic wastes
D. all of these functions
Answer» E.
1426.

Intake of which one of the following food components should be minimized by patients having Gouty arthritis due to elevated serum uric acid level?

A. Food fibres
B. Nucleic acids
C. Lipids
D. Carbohydrates
Answer» C. Lipids
1427.

Digestion of carbohydrates, proteins and fats is completed by the action of_________.

A. intestinal juice
B. bile
C. pancreatic juice
D. gastric juice
Answer» B. bile
1428.

Deficiency of which hormone in the body causes 'Goitre'?

A. Adrenaline
B. Thyroxine
C. Estrogen
D. Testosterone
Answer» C. Estrogen
1429.

In the human digestive system, which of the following enzymes converts protein into proteoses and peptones?

A. Maltase
B. Pepsin
C. Amylase
D. Lipases
Answer» C. Amylase
1430.

Hepatitis B spreads through ___________.

A. viruses
B. protozoa
C. bacteria
D. fungi
Answer» B. protozoa
1431.

Pneumatic bones are an important characteristic of which of the vertebrate animal?

A. Reptiles
B. Amphibians
C. Aves
D. Mammals
Answer» D. Mammals
1432.

How much blood flows through the kidneys per minute?

A. 1 litre
B. 0.75 litre
C. 0.50 litre
D. 0.25 litre
Answer» B. 0.75 litre
1433.

Micro-organism act upon the dead plant to produce:

A. Mushroom
B. Sand
C. Humus
D. Wood
Answer» D. Wood
1434.

Light coloured clothes are preferred in summer because?

A. They allow body heat to escape faster
B. They soak sweat faster
C. Light colours are good radiators of heat
D. Light colours are poor absorbers of heat
Answer» E.
1435.

______ is known as the 'Suicide Bag' of a cell.

A. Protoplasm
B. Cellulose
C. Lignin
D. Lysosome
Answer» E.
1436.

Alexender Fleming discovered

A. Penicillin
B. X-Ray
C. Streptomycin
D. Telephone
Answer» B. X-Ray
1437.

Organisms belonging to which of the following classes have a four-chambered heart?

A. Class Aves
B. Class Pisces
C. Class Reptilia
D. Class Amphibia
Answer» B. Class Pisces
1438.

DNA was first isolated, analysed and recognised as a unique macro-molecule by _______ in 1869.

A. Oswald Avery
B. William Astbury
C. Friedrich Miescher
D. Alfred Hershey
Answer» D. Alfred Hershey
1439.

Biopsy and histopathological studies of the tissue and blood and bone marrow tests, are the diagnostic tests for:

A. Malaria
B. Cancer
C. Cholera
D. AIDS
Answer» C. Cholera
1440.

Number of oxygen molecules required during glycolysis of one glucose molecule is

A. zero
B. one
C. six
D. four
Answer» B. one
1441.

Consider the following:1. Star tortoise2. Monitor lizard3. Pygmy hog4. Spider monkeyWhich of the above are naturally found in India?

A. 1, 2 and 3 only
B. 2 and 3 only
C. 1 and 4 only
D. 1, 2, 3, and 4
Answer» B. 2 and 3 only
1442.

Glucocorticoids are secreted by which of the following?

A. Adrenal Cortex
B. Posterior Pituitary
C. Adrenal medulla
D. Anterior Pituitary
Answer» B. Posterior Pituitary
1443.

Cycas revoluta is widely grown as

A. Medicinal plant
B. Ornamental plant
C. Oil yielding plant
D. Timber yielding plant
Answer» C. Oil yielding plant
1444.

Night Blindness is caused by the deficiency of Vitamin _______.

A. B12
B. C
C. A
D. K
Answer» D. K
1445.

In sexual reproduction, the parents contribute:

A. One-fourth of its genes
B. Half of its genes
C. Three fourths of its genes
D. All of its genes
Answer» C. Three fourths of its genes
1446.

In the human body percentage of which element is highest?

A. Hydrogen
B. Nitrogen
C. Carbon
D. Oxygen
Answer» E.
1447.

Microorganisms are classified into how many major groups?

A. 1
B. 2
C. 3
D. 4
Answer» E.
1448.

Measles and rubella are caused by ________.

A. Bacterial
B. Virus
C. Protista
D. Fungi
Answer» C. Protista
1449.

Plants with green and tender stems are called as_________.

A. Herbs
B. Shrubs
C. Trees
D. None of the above
Answer» B. Shrubs
1450.

In which of the following are Haustoria or sucking roots found?

A. Wheat
B. Mango
C. Chestnut
D. Cuscuta
Answer» E.