Excretory Products And Their Elimination - Zoology - Biology Previous Year Questions

Choose the INCORRECT pair.

Most energy saving mode of excretion is_________.

Which of the following are true about sharks?

i. Their body fluids is isosmotic to external environment.

ii. They are osmoconformers.

iii. They control their internal environment independent of external environment.

iv. They are osmoregulators.

Juxta glomerular apparatus in kidney releases Renin, when a person is __________

Given below are two statements.

Statement I - Defecation is an involuntary process that takes place through anal opening guarded by sphincter muscles.

Statement II - Distension, of rectum stimulates pressure sensitive receptors that initiate a neural reflex for egestion.

In light of above statements, select the correct answer from the option given below.

An organ with sphincters at its origin is

Tubular fluid tends to become acidic in the_________ of nephron.

People who consume high protein diet can develop __________ stones.

The Krebs-Henseleit cycle of urea formation is a sequence of biochemical reactions that takes place in___________

Renal medulla contains __________ .

i. Malpighian bodies and convoluted tubules

ii. blood vessels and glomerulus

iii. Loop of Henle

iv. Collecting ducts

People who don't drink enough water and consume high protein diet, may suffer from

__________ kidney stones.

Role of Angiotensin converting enzyme is ___________.

Which of the following is INCORRECT in case of severe haemorrhage?

Primary urine contains all of the following, EXCEPT

Match the Columns I, II and III based an excretion.

Which of the following is correct regarding cystine stones?

i. These are formed in response to bacterial infection.

ii. It is a genetic disorder.

iii. These grow quickly and become quite large.

iv. Occurs in people who consume high protein diet.

v. People who suffer excrete too much of certain amino acid.

Which of the following pairs of organisms are ureotelic?

In oliguria condition, urine output is less than ___________.