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.

401.

A fungal cell wall is made of ________.

A. Hemi-cellulose
B. Cellulose
C. Chitin
D. Lignin
Answer» D. Lignin
402.

Human hypothalamus gland ______.

A. lies just below the stomach
B. lies in the lower part of neck
C. is present int he brain
D. is attached to the wind pipe
Answer» D. is attached to the wind pipe
403.

Conjunctivitis is an infection primarily related to ______.

A. Stomach
B. Knee
C. Eye
D. Heart
Answer» D. Heart
404.

Ginger is a stem and not root because

A. it stores food material
B. it has nodes and internodes
C. it grows horizontally in the soil
D. it lacks chlorophyll
E. None of the above / More than one of the above
Answer» C. it grows horizontally in the soil
405.

If the xylem of a plant is mechanically blocked, which of the, following functions of the plant will be affected?

A. Transport of water only
B. Transport of water and solutes
C. ​Transport of solutes only
D. Transport of gases
Answer» C. ​Transport of solutes only
406.

Olfactory receptors are located in our:

A. Nose
B. Tongue
C. Ears
D. Eyes
Answer» B. Tongue
407.

How many contrasting characters did Mendel select for his experiments?

A. 7
B. 8
C. 9
D. 10
Answer» B. 8
408.

Maturation of separmatozoa occurs in:

A. Epididymis
B. Vas deferens
C. Prostate
D. None of these
Answer» B. Vas deferens
409.

Fish breath through ________.

A. Lungs
B. Gills
C. Eye
D. Skin
Answer» C. Eye
410.

Consider the following statements :1. Every individual in the population is equally susceptible host for Swine Flu.2. Antibiotics have no role in the primary treatment of Swine Flu.3. To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.Which of the statements given above. is/are correct?

A. 1 and 2 only
B. 2 only
C. 2 and 3 only
D. 1, 2 and 3
Answer» B. 2 only
411.

Night blindness is caused due to ______.

A. Less drinking of water
B. Excess secretion of the pineal gland
C. Vitamin A deficiency
D. Inheritance by X-chromosome
Answer» D. Inheritance by X-chromosome
412.

Blood is a type of

A. Epithelial tissue
B. Muscular tissue
C. Nervous tissue
D. Connective tissue
Answer» E.
413.

Consider the following:1. Birds2. Dust blowing3. Rain4. Wind blowingWhich of the above spread plant diseases?

A. 1 and 3 only
B. 3 and 4 only
C. 1, 2 and 4 only
D. 1, 2, 3 and 4
Answer» E.
414.

Cuscuta growing on trees and shrubs is an example of _________.

A. Saprophyte
B. Autotrophs
C. Insectivorous
D. Parasite
Answer» E.
415.

______ is an endangered Indian medicinal plant species.A. NapendenthesB. PodophyllumC. OpiumD. Basil

A. A
B. C
C. D
D. B
Answer» E.
416.

Blood plasma has a pH of _______.

A. 7.4
B. 7.8
C. 6.9
D. 6.3
Answer» B. 7.8
417.

_________ are often referred to as the amphibians of the plant kingdom.

A. Bryophyta
B. Phanerogamae
C. Pteridophyta
D. Thallophyta
Answer» B. Phanerogamae
418.

Imrervious nature of cork for water is due to deposition of which chemical.

A. Lignin
B. Suberin
C. Pectin
D. Hemicellulose
Answer» C. Pectin
419.

Jersey, Brown Swiss and Red Sindhi are different breeds of __________.

A. cows
B. buffaloes
C. goats
D. horses
Answer» B. buffaloes
420.

________ is the study of the microanatomy of cells, tissues and organs as seen through a microscope.

A. Paleontology
B. Ichthyology
C. Histology
D. Entomology
Answer» D. Entomology
421.

According to HGP, approximate number of genes in a human cell is

A. 10000 to 12000
B. 15000 to 20000
C. 30000 to 32000
D. More than 50,000
Answer» D. More than 50,000
422.

In eukaryotic cells synthesis of RNA takes place in the _________.

A. mitochondria
B. centrioles
C. ribosomes
D. nucleus
Answer» E.
423.

Plants use nitrogen which is present in the soil to prepare________.

A. vitamins
B. lipids
C. carbohydrates
D. proteins
Answer» E.
424.

Epithelial tissue : Body lining :: Muscle Tissue : __________

A. Electrical transport
B. Transport of food and oxygen
C. Motion
D. Support and padding
Answer» D. Support and padding
425.

In Genetic code, the codon GUG codes for which amino acid?

A. Glycine
B. Valine
C. Lysine
D. Methionine
Answer» C. Lysine
426.

Gastric digestion takes place efficiently in ________.

A. Acidic medium
B. Basic medium
C. Neutral medium
D. None of these
Answer» B. Basic medium
427.

Bananas turn brown in colour because:

A. an enzyme converts starch into sugar
B. the air reacts with the enzymes in the banana
C. Bisphosphonates reacts with the enzymes in the banana
D. an enzyme converts sugar into starch
Answer» C. Bisphosphonates reacts with the enzymes in the banana
428.

Life span of red blood cells is_____ days.

A. 60
B. 120
C. 180
D. 240
Answer» C. 180
429.

If the external solution balances the osmotic pressure of the cytoplasm, it is said to be ____________.

A. isotonic
B. hypotonic
C. hypertonic
D. platonic
Answer» B. hypotonic
430.

During photosynthesis, green plants use energy from sunlight to synthesise ________ from carbon dioxide and water.

A. Galactose
B. Fructose
C. Sucrose
D. Glucose
Answer» E.
431.

_______ is an inherited blood disorder due to which people suffering from this condition are unable to make haemoglobin.

A. Stroke
B. Thalassemia
C. Thrombosis
D. Bone Marrow failure
Answer» C. Thrombosis
432.

Ancient hominids who are placed in the category of homo sapiens were - A. Ergaster lineB. Cro - MagnonC. NeanderthalD. Proconsuls

A. D
B. B
C. C
D. A
Answer» C. C
433.

A series of organisms feeding on one another at various biotic levels form a ________.

A. Food chain
B. Food cycle
C. Food web
D. Food level
Answer» B. Food cycle
434.

On average, how many taste Buds are present in the human tongue?A. 2000 to 8000B. 50000 to 10000C. 1 million to 10 millionD. More than 10 Million

A. C
B. A
C. D
D. B
Answer» C. D
435.

Identify the organ which is located on both sides in the human body.

A. Kidney
B. Bladder
C. Spleen
D. Liver
Answer» B. Bladder
436.

Identify the organism that does not belong to Kingdom Monera.

A. Mycoplasma
B. Anabaena
C. Yeast
D. Rhizobium
Answer» D. Rhizobium
437.

Plasmids are:

A. Essential genetic material of bacterium
B. Extra-chromosomal genetic material of bacterium
C. Proteinaceous part of virus
D. Nuclear part of virus
Answer» C. Proteinaceous part of virus
438.

______ is mainly derived from citrus fruits and juices such as lemons, oranges and sweet limes/mousambis.

A. Vitamin B
B. Vitamin K
C. Vitamin C
D. Vitamin E
Answer» D. Vitamin E
439.

Lacha and Guchi are the forms of which of the following spices that is prominent ingredient of the Kashmiri cuisine?

A. Cardamom
B. Saffron
C. Cinnamon
D. Turmeric
Answer» C. Cinnamon
440.

Acrosome is madeup of

A. Golgi bodies
B. Mitochondria
C. Ribosomes
D. Centrioles
Answer» B. Mitochondria
441.

Number of cotyledons found in the embryo of cycas is

A. 4
B. 2
C. 3
D. 1
Answer» C. 3
442.

Alternate forms of a gene are known as

A. Tautomers
B. Isomers
C. Alleles
D. Polyploid
Answer» D. Polyploid
443.

Pancreatic juice requires which medium for their action?

A. Acidic
B. Basic
C. Neutral
D. All options are correct.
Answer» C. Neutral
444.

Harmful ultra-violet radiation coming form the sun can cause

A. Liver cancer
B. Brain cancer
C. Oral cancer
D. Dermal cancer
Answer» E.
445.

In which medical condition is the eye's optic nerve damaged and the condition worsens over time?

A. Cataract
B. Glaucoma
C. Age-related Macular Degeneration (AMD)
D. Dry Eye
Answer» C. Age-related Macular Degeneration (AMD)
446.

Mitochondria ∶ ATP ∶∶ Ribosome ∶ ?

A. Carbohydrate
B. Fat
C. Protein
D. Vitamin
Answer» D. Vitamin
447.

Given below are two statements, one labelled as Assertion (A): Most of the vitamins are not synthesised in the human body.Reason (R): Human organs synthesise only essential microntrients.Select the correct answer from the codes give below:

A. Both (A) and (R) are true and (R) is the correct explanation of (A)
B. Both (A) and (R) re 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» D. (A) is false, but (R) is true
448.

Calcium deficiency mainly occurs in the absence of which vitamin?

A. Vitamin D
B. Vitamin B
C. Vitamin C
D. Vitamin A
Answer» B. Vitamin B
449.

Pyramid of energy is

A. always inverted
B. always upright
C. sometimes inverted and sometimes upright
D. none of these
Answer» C. sometimes inverted and sometimes upright
450.

'Mycorrhiza' is a symbiotic association between

A. Algae and plants
B. Algae and fungi
C. Fungi and plants
D. Blue green algae and fungi
Answer» D. Blue green algae and fungi