Previous year MCQs

UPPSC 2021 GS-I General science
Question

Given below are two statements, one labelled as:

Assertion (A): Human body synthesises all the vitamins required by it.
Reason (R): Vitamins are essential for proper growth of the body.

Select the correct answer from the codes give below:

Answer & Solution

Answer: (Detailed Solution Below)

Option D: (A) is false, but (R) is true

Detailed Solution:

The correct answer is “(A) is false, but (R) is true”.
Humans are able to synthesize certain vitamins to some extent.

For example, vitamin D is produced when the skin is exposed to sunlight; niacin (Vitamin B3) can be synthesized from the amino acid tryptophan; and vitamin K and biotin (Vitamin B7) are synthesized by bacteria living in the gut.

Similar Questions:

Which one of the following is NOT correctly matched ?
(Subject) – (Related Articles)
  1. A) The separation of judiciary from executive – Article 50
  2. B) The promotion of educational and economic interests of Scheduled Castes and Scheduled Tribes – Article 46
  3. C) The promotion of Co-operative Societies – Article 43A
  4. D) The organisation of Village Panchayats and enable them to function as the units of self government – Article 40
Funk invented
  1. A) Vitamins
  2. B) Hormones
  3. C) Proteins
  4. D) Enzymes
Match list-I with list-Il and select the correct answer using code given below—
List - I List - II (Diseases) (Factors)

(A) Peptic ulcers - (1) Virus
(B) Dengue - (2) Protozoa
(C) Elephant Foot - (3) Worm
(D) Malaria - (4) Bacteria
Code -
  1. A) A-(4), B-(2), C-(3), D-(1.)
  2. B) A-(4), B-(1), C-(3), D-(2)
  3. C) A-(4), B-(1), C-(2), D-(3)
  4. D) A-(1), B-(4), C-(3), D-(2)
Which of the following Constitution Amendment Acts made necessary provisions for the implementation of GST (Goods and Service Tax) regime ?
  1. A) 101st Amendment Act
  2. B) 102nd Amendment Act
  3. C) 103rd Amendment Act
  4. D) 104th Amendment Act
Pyrometer is used for measuring:
  1. A) Air Pressure
  2. B) Humidity
  3. C) High Temperature
  4. D) Intensity of Earthquake
The Public Accounts Committee of Indian Parliament scrutinizes the:
  1. A) Report of the Comptroller and Auditor General
  2. B) Consolidated Fund of India
  3. C) Public Account of India
  4. D) Contingency Fund of India
Assertion (A): "Golden rice" is biotechnological achievement to the benefit of consumers as much as the farmers.

Reason (R): The yellow colour of this rice reflects high level of betacarotene, a compound that is converted to vitamin A in the body.

Codes:
  1. A) Both A and R are true and R is the correct explanation of A
  2. B) Both A and R are true but R is not a correct explanation of A
  3. C) A is true but R is false
  4. D) A is false but R is true
Photosynthesis using the invisible part of the sunlight is done by some
  1. A) Trees
  2. B) Algae
  3. C) Bacteria
  4. D) Fungi
Solar energy is converted into electric energy through
  1. A) Dry cells
  2. B) Leclanche cells
  3. C) Voltaic cells
  4. D) Photo voltaic cells
Which one of the following is used in food preservation?
  1. A) Sodium Carbonate
  2. B) Acetylene
  3. C) Benzoic Acid
  4. D) Sodium Chloride
Biological resurfacing is a recent surgical technique used to treat problems of:
  1. A) Knee joints
  2. B) Ankle joints
  3. C) Hip joints
  4. D) Vertebral joints
What is that in household dust, that offends asthmatics?
  1. A) Chemicals present with dust
  2. B) Dust inorganic particles
  3. C) Dust mites
  4. D) Moisture of dust