Free Excretory Products And Their Elimination (Daily Quiz: 1) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

In mammals, the urinary bladder opens into

(a) Vestibule

(b) Uterus

(c) Urethra

(d) Ureter

Question-2

Excretory organs help in

(a) Maintenance of acid–base balance

(b) Excretion only

(c) Maintenance of ionic balance

(d) All of these

Question-3

Which one of the following correctly explains the function of a specific part of a human nephron?

(a) Distal convoluted tubule − Reabsorption of ions into the surrounding blood capillaries.

(b) Henle's loop − Most reabsorption of the major substance from the glomerular filtrate.

(c) Afferent arteriole − Carries the blood away from the glomerulus towards the renal vein.

(d) Podocytes − Creates minute space (slit pores) for the filtration of blood into the Bowman's capsule.

Question-4

Select the correct statement from the following:

1. In most of the invertebrates, excretory structures are in complex tubular forms.
2. Vertebrates have simple tubular organ as excretory structure like kidney.
3. Protonephridia is primarily concerned with excretion.
4. Protonephridia are excretory structure in rotifers, some annelids and cephalochordates (Amphioxus).

(a) B

(b) A

(c) C

(d) D

Question-5

Stone and insoluble mass of crystallized salts, formed within the kidney is generally made up of

(a) Calcium oxalate

(b) Calcium carbonate

(c) Silica

(d) Any of these