5321. The ability of the Eye to see in the dark, is due to the production of a purple pigment known as___?
✅ D. Retinene
Everyday Science MCQs – Page 267
5322. Nitrogen occurs in plant and animals in the form of ______?
✅ D. Proteins
5323. Almost identical eclipses occur after 18 years and 11 days. This cycle is known as_____?
✅ C. Saros Cycle
5324. Most abundant color in Earth is____?
✅ B. Blue
5325. LPG consists of mainly:______?
✅ D. Methane, Butane and Propane
5326. The average adult has a blood volume of about _____ liters.
✅ A. 5