SSC MTS 2022 PYQ — Question 26

SSC MTS - 21 July 2022 - Shift 1 • General Awareness • Q26

Which of the following diseases is caused by the deficiency of Vitamin A?

Show answer & explanation

Correct answer: A

Explanation

The correct answear is option  A i.e Night blindness.

Night blindness (nyctalopia) makes it hard to see well at night or in poor light caused by the deficiency of Vitamin-A. An insufficient amount of vitamin A in the body affects the production of rhodopsin, the necessary pigment for night vision. 

Another cause of night blindness is a deficiency of Retinol,or vitamin A1, found in fish oils, liver and dairy products.

Symptoms of night blindness include-

  1.  Difficulty seeing in the dark.
  2. Blurry, or cloudy vision when driving in the dark.
  3. Trouble seeing stars on a clear night.
  4. Eye pain
  5. nausea
  6. vomiting
  7. sensitivity to light.
Scurvy  Vitamin C deficiency,can lead to bleeding gums, loosened teeth and bleeding under your skin.
Marasmus Severe form of malnutrition — specifically, protein-energy undernutrition. It results from an overall lack of calories. Marasmus is a deficiency of all macronutrients: carbohydrates, fats, and protein.
Kwashiorkor  A protein deficiency, diseses.