Embibe Experts Solutions for Chapter: Excretory Products and Their Elimination, Exercise 3: Exercise-3

If Henle's loop were absent from mammalian nephron, which of the following is to be expected?

When a fresh-water protozoan possessing a contractile vacuole is placed in a glass containing marine water, the vacuole will:

Angiotensinogen is a protein produced and secreted by:

Consider the following four statements (A-D) about certain desert animals such as kangaroo rat-
(A) They have dark colour and high rate of reproduction and excrete solid urine
(B) They do not drink water, breathe at a slow rate to conserve water and have their body covered with thick hairs
(C) They feed on dry seeds and do not require drinking water
(D) They excrete very concentrated urine and do not use water to regulate body temperature.

Which two of the above statements for such animals are true?

The principal nitrogenous excretory compound in humans is synthesised:

The maximum amount of electrolytes and water ($70-80$ percent) from the glomerular filtrate is reabsorbed in which part of the nephron? 

Which one of the following characteristics is common both in humans and adult frogs? 

Human urine is usually acidic because: