Tag: biology

Rickets is a childhood bone disorder caused by a deficiency of Vitamin D, which is necessary for calcium absorption.

Bleeding gums and scurvy are hallmark signs of Vitamin C deficiency.

Yellow fruits, carrots, and butter are rich in beta-carotene, which the body converts to Vitamin A. A deficiency in Vitamin A leads to night blindness.

Kwashiorkor is caused by protein deficiency, and Beri-beri is caused by Vitamin B1 deficiency. Both are classified as deficiency diseases.

Meat, eggs, and milk are rich in protein and B vitamins, but they contain little to no Vitamin C. A diet consisting only of these foods will eventually lead to scurvy.

Keratomalacia is a severe eye condition resulting from advanced Vitamin A deficiency, where the cornea becomes soft and opaque.

Golden rice is a genetically modified variety of rice engineered to produce beta-carotene, which the body converts to Vitamin A, helping to prevent blindness in areas where rice is a staple food.

Each segment in the strobila of tapeworm, containing a complete sexually mature reproductive system is proglottid.

Rickets: This condition is due to a lack of vitamin D, which causes the body to be unable to absorb or deposit calcium.

Hence, Option D is correct.

Hypochromic (pale) and microcytic (small) anemia is typically caused by iron deficiency. Macrocytic anemia is usually caused by Vitamin B12 or folate deficiency. Given the options, iron deficiency is the most common cause of hypochromic anemia.