7000+ TNPSC Biology Previous Year Questions Pdf - 1

Question: 1

In which part of nephron maximum reabsorption of glucose from the glomerular filtrate takes place.

(A) Henle's loop

(B) Proximal convoluted tubule

(C) Distal convoluted tubule

(D) Collecting tubule

Question: 2

Which one of the following is an excretory substance?

(A) Urine

(B) Saliva

(C) Tears

(D) Insulin

Question: 3

The enzyme present in saliva which in antibacterial

(A) Sucrase

(B) Salivary amylase

(C) Maltase

(D) Lysozyme

Question: 4

Gastric juice contains

(A) Hydrochloric acid and pepsin

(B) Trypsin and pepsin

(C) Amylopsin and pepsin

(D) Trypsin and hydrochloric acid

Question: 5

Which of the following is not a salivary gland?

(A) Lachrymal

(B) Submaxillary

(C) Sublingual

(D) Parotid