10,000+ TNPSC Gk Questions and Answers 2024-2025 - 1

Question: 1

The longest bone in the human body is

(A) Thigh bone

(B) Backbone

(C) Stirrup

(D) Gullet

Question: 2

Life of RBC in human blood is of

(A) 15 hours

(B) 30 days

(C) 60 days

(D) 120 days

Question: 3

In human body, the leg bones are

(A) Tibia & Radius

(B) Fibula & Ulna

(C) Fibula & Tibia

(D) Humerus & Femur

Question: 4

Estrogens are secreted by

(A) Stroma

(B) Germinal epithelium

(C) Follicle cells

(D) Ovary

Question: 5

Which of the following is produced during allergic reactions?

(A) Histamine

(B) Seratonin

(C) Selastamine

(D) Heparin