section 12 MCQ Questions & Answers Detailed Explanation

MOST IMPORTANT general science mcq - 16 EXERCISES

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The following question based on vitamins, nutrition, health, disease and treatment topic of general science mcq

Questions : Which of the following is not correctly matched?

(a) Table salt - Sodium

(b) Haemoglobin - Iron

(c) Chlorophyll - Magnesium

(d) Washing soda – Potassium

The correct answers to the above question in:

Answer: (d)

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Read more biology gk Based General Science Questions and Answers

Question : 1

Which of the following is responsible for ‘Bird flu’?

a) Zika

b) $H_5N_1$

c) $H_1N_1$

d) Retro

Answer: (b)

Question : 2

Which one of the following is not common between Malaria and Dengue?

a) Human species

b) Fever

c) Mosquito bite

d) Mosquito species

Answer: (d)

Question : 3

Leukaemia is a type of cancer in which there is an abnormal increase in the number of

a) Red blood cells

b) Bone cells

c) Platelets

d) White blood cells

Answer: (d)

Question : 4

The virus responsible for AIDS is an example of

a) T-even virus

b) Adeno virus

c) Mosaic virus

d) Retro virus

Answer: (d)

Question : 5

Which among the following diseases can be caused by tatooing?

  1. Chickungunya
  2. AIDS
  3. Hepatitis B
Choose the correct option :

a) 1 and 2

b) 2 and 3

c) 1 only

d) 1 and 3

Answer: (b)

Chikungunya is an arthropod-borne virus, of the genus Alphavirus, that is transmitted to humans by virus-carrying Aedes mosquitoes.

AIDS virus i.e., HIV and Hepatitis B can get transmitted via blood contact.

Question : 6

AIDS is caused by HIV that principally infects

a) cytotoxic T cells

b) activator B cells

c) all lymphocytes

d) $T_4$ lymphocytes

Answer: (d)

AIDS virus infects $T_4$ lymphocytes (also called Helper cells).

Cytotoxic T cells are called $T_8$ lymphocytes.

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