Answer the question on basis of passage given below:
Vitamins represent a group of organic compounds which are needed in small amount for the healthy growth and maintenance of our body. These are not synthesized by the body and are supplied in the diet. The deficiency of vitamins can be supplemented with medicines.
The deficiency disease associated with Vitamin K is:
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Increased blood clotting time
Vitamin K (found in green leafy vegetables) is needed by the liver to make the proteins that make blood clot. Its deficiency causes increased blood clotting time, so bleeding from a wound continues for longer.
NCERT (2026-27 edition):
Vitamins – Table 10.3 (sources and deficiency diseases)
| Sl. No. | Name of Vitamins | Sources | Deficiency diseases |
|---|---|---|---|
| 1. | Vitamin A | Fish liver oil, carrots, butter and milk | Xerophthalmia (hardening of cornea of eye) Night blindness |
| 2. | Vitamin B1 (Thiamine) | Yeast, milk, green vegetables and cereals | Beri beri (loss of appetite, retarded growth) |
| 3. | Vitamin B2 (Riboflavin) | Milk, eggwhite, liver, kidney | Cheilosis (fissuring at corners of mouth and lips), digestive disorders and burning sensation of the skin. |
| 4. | Vitamin B6 (Pyridoxine) | Yeast, milk, egg yolk, cereals and grams | Convulsions |
| 5. | Vitamin B12 | Meat, fish, egg and curd | Pernicious anaemia (RBC deficient in haemoglobin) |
| 6. | Vitamin C (Ascorbic acid) | Citrus fruits, amla and green leafy vegetables | Scurvy (bleeding gums) |
| 7. | Vitamin D | Exposure to sunlight, fish and egg yolk | Rickets (bone deformities in children) and osteomalacia (soft bones and joint pain in adults) |
| 8. | Vitamin E | Vegetable oils like wheat germ oil, sunflower oil, etc. | Increased fragility of RBCs and muscular weakness |
| 9. | Vitamin K | Green leafy vegetables | Increased blood clotting time |
Note: The same/similar question has been asked in different years by NTA as per the details given below:
| 2026 | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|
| – | – | – | 30-05 S2 24-05 S3 | – |