Previous year MCQs

General science UPPSC 2020 GS-I
Question

Which of the following vitamin is responsible for coagulation of blood in human being ?

Answer & Solution

Answer: (Detailed Solution Below)

Option A: Vitamin K

Detailed Solution:

The correct answer is “Vitamin K”.
Vitamin K is essential for blood coagulation. It helps in the production of proteins involved in clotting, ensuring that bleeding stops when necessary.

Similar Questions:

Who had proposed for the first time the double helix model of DNA?
  1. A) Watson and Crick
  2. B) Fisher and Haldoni
  3. C) Lam ark and Darwin
  4. D) Hugo de Vries
Which one of the following is a bio-diesel plant?
  1. A) Java grass
  2. B) Jatropa
  3. C) Guggul
  4. D) Rosha grass
Given below are two statements, one labelled as Assertion (A) and the other as Reason (R).

Assertion (A): Most of the vitamins are not synthesised in human body.
Reason (R): Human organ synthesise only essential micronutrients.

Select the correct answer form the code given below.
  1. A) Both (A) & (R) are true & (R) is correct explanation of (A)
  2. B) Both (A) & (R) are true, but (R) is not correct explanation of (A)
  3. C) (A) is true, but (R) is false.
  4. D) A) is false, but (R) is true.
Consider the following tributaries of river Yamuna and arrange them from West to East:

1) Betwa
2) Ken
3) Sindh
4) Chambal
  1. A) 4, 3, 1, 2
  2. B) 1, 2, 3, 4
  3. C) 3, 2, 1, 4
  4. D) 2, 3, 1, 4
Consider the following statements about haemoglobin and select the correct answer from the code even below:

1. It contains iron
2. It imparts red colour to the blood
3. It provides immunity against certain diseases
4. It is a carrier of oxygen in blood

Code:
  1. A) 1, 2 and 3
  2. B) 2, 3 and 4
  3. C) 1, 2 and 4
  4. D) 1, 2, 3 and 4
Which of the following vitamin is responsible for coagulation of blood in human being ?
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  2. B) Vitamin E
  3. C) Vitamin A
  4. D) Vitamin C
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  2. B) its height
  3. C) the number of its annular rings
  4. D) length of its root
Match List-I with List-II and select the correct answer using the codes given below the lists:
List-I List-II
(Naturally occurring substance) - (Elements present)

A. Diamond - 1. Calcium
B. Marble - 2. Silicon
C. Sand - 3. Aluminum
D. Ruby 4. Carbon

Codes:
A B C D
  1. A) 3 1 2 4
  2. B) 4 2 1 3
  3. C) 2 1 3 4
  4. D) 4 1 2 3
Match list I with list II and select the correct answer from the code given below:
List-I (Acid) - List-II (Source)

A. Lactic acid - 1. Lemon
B. Acetic acid - 2. Rancid butter
C. Citric acid - 3. Milk
D. Butyric acid - 4. Vinegar

Code:
A B C D
  1. A) 1 4 3 4
  2. B) 3 4 1 2
  3. C) 2 3 4 2
  4. D) 3 2 3 1
Which of the following is a semi-conductor?
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  2. B) Aluminium
  3. C) Wood
  4. D) Germanium
Which one of the following is NOT correctly matched?
(Country) (Capital)
  1. A) Morocco - Rabat
  2. B) Tunisia - Tunis
  3. C) Algeria - Algiers
  4. D) Cape Verde - Bamako
Triple antigen is given to a child to prevent:
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  2. B) Diphtheria, whooping cough, tetanus
  3. C) Smallpox, whooping cough, tetanus
  4. D) Polio, tetanus, whooping cough