Exam4 — Neet-Ug | MCQ Portal

Question 1 of 10

Which hormone regulates blood sugar levels in humans?

A. Thyroxine B. Insulin C. Adrenaline D. Estrogen

Question 2 of 10

Which gas is most abundant in Earth's atmosphere?

A. Oxygen B. Carbon dioxide C. Nitrogen D. Hydrogen

Question 3 of 10

What is the SI unit of energy?

A. Newton B. Joule C. Watt D. Pascal

Question 4 of 10

Which organelle is responsible for protein synthesis?

A. Ribosome B. Lysosome C. Golgi body D. Vacuole

Question 5 of 10

What is the chemical symbol of Sodium?

A. So B. Na C. S D. Sd

Question 6 of 10

Which blood vessel carries oxygenated blood from lungs to heart?

A. Pulmonary artery B. Aorta C. Pulmonary vein D. Vena cava

Question 7 of 10

The basic unit of heredity is:

A. Chromosome B. Gene C. Cell D. Protein

Question 8 of 10

What is the pH of pure water?

A. 5 B. 6 C. 7 D. 8

Question 9 of 10

Which vitamin helps in blood clotting?

A. Vitamin A B. Vitamin C C. Vitamin D D. Vitamin K

Question 10 of 10

Which part of the eye controls the amount of light entering?

A. Cornea B. Retina C. Iris D. Lens