General Science Questions (MCQs) for Competitive Examinations
General Science Multiple choice questions for GK paper in SSC, NDA, CDS, UPSC, UPPSC and State PSC Examinations. These questions are part of GKToday’s 35000+ MCQs Bank Course in GKToday Android App
1. Which ancient Indian physician is known as the ‘Father of Surgery’?
[A] Charaka
[B] Sushruta
[C] Nagarjuna
[D] Vagbhatta
Show Answer
Correct Answer: B [Sushruta]
Notes:
Sushruta practiced during the 5th century B.C. many of his contributions to medicine and surgery preceded similar discoveries in the Western world. He is known as the ‘Father of Surgery’.
2. Athlete’s Foot or Tinia Pedis is caused by which of the following ?
[A] Bacteria
[B] Virus
[C] Fungi
[D] Protozoan
Show Answer
Correct Answer: C [Fungi]
Notes:
Athlete’s Foot or Tinia Pedis is caused by Fungi. It usually begins between the toes. It usually occurs in people whose feet have become very sweaty while being confined within tightfitting shoes.
3. In which of the following diseases , nerve cells are affected?
[A] Tetanus
[B] Polio
[C] Whooping Cough
[D] Diphtheria
Show Answer
Correct Answer: B [Polio]
Notes:
Nerve cells are affected in Polio. Polio also known as poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. The virus spreads from person to person and can infect a person’s spinal cord, causing paralysis.
4. Which among the following has a fibrous root?
[A] Grass
[B] Mize
[C] Carrot
[D] Rice
Show Answer
Correct Answer: A [Grass]
Notes:
A fibrous root system is universal in monocotyledonous plants and ferns. It is the opposite of a taproot system and usually formed by thin, moderately branching roots growing from the stem. Fibrous root system is present in grass.
5. Which among the following is / are correct regarding a mature sperm and ovum?
[A] They both are of approximately same size
[B] They both have equal number of Chromosomes
[C] They both contain flagella
[D] None of the above
Show Answer
Correct Answer: B [They both have equal number of Chromosomes]
Notes:
The number of chromosomes is reduced from 46 (23 pairs) to 23 during the process of meiosis. In a human egg or sperm, there are 23 chromosomes, one of which is an X or Y. A human egg is haploid (has 23 chromosomes) and a sperm is haploid (has 23 chromosomes).
6. Sexual cannibalism is a concept in which the female kills the male after mating and is normally found in _________?
[A] Dragon fly
[B] Spider
[C] Honey Bee
[D] None of the above
Show Answer
Correct Answer: B [Spider]
Notes:
In Honey Bee the male itself dies after copulation.
sexual cannibalism is common in many families of spiders and scorpions
7. Which among the following is correct about Saliva of a Healthy Human?
[A] It is slightly acidic
[B] It is slightly saline
[C] It is slightly alkaline
[D] It is neutral
Show Answer
Correct Answer: C [It is slightly alkaline]
Notes:
pH stands for potential hydrogen. It is used to describe the chemical acidity level vs. alkalinity level of a substance. The pH of Healthy human saliva is slightly alkaline and in the range of 6.2 to 7.6.
8. The Bovine spongiform encephalopathy (BSE) is commonly known as _______?
[A] Foot & Mouth Disease
[B] Mad Cow Disease
[C] Fog fever
[D] Creutzfeldt-Jakob disease
Show Answer
Correct Answer: B [Mad Cow Disease]
Notes:
The Bovine spongiform encephalopathy (BSE) is commonly known as Mad Cow Disease. It is a brain disorder in an adult cattle that may be spread to humans through diseased meat.
9. How the Cast Iron is different from Wrought Iron?
- Cast iron have higher carbon content than wrought iron
- Cast iron are more ductile compared to wrought iron
- Wrought iron is more stable, pure and stronger, compared to cast iron
Select the correct option from the codes given below:
[A] 3 Only
[B] 1 and 3 Only
[C] 2 and 3 Only
[D] 1,2 and 3
Show Answer
Correct Answer: B [ 1 and 3 Only]
Notes:
Second statement is wrong because wrought iron is more ductile compared to cast iron
10. At sea level, what is the difference between the value of acceleration due to gravity at the poles and at the equator?
[A] No difference
[B] 9.8 cm s-2
[C] 1.80 cm s-2
[D] None of the above
Show Answer
Correct Answer: C [1.80 cm s-2]
Notes:
At sea level, the difference between the value of acceleration due to gravity at the poles and at the equator is 1.80 cm s-2. The value of acceleration due to gravity increases as we go from equator to the poles.
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