Excretory System ICSE Progress Check Class-10 Concise Selina Biology Solutions

Progress Check 1

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MCQs, Very Short ,Descriptive and Structural/Skill Questions

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Progress Check-1

Excretory System ICSE Progress Check Class-10 Concise Selina Biology Solutions

Question 1

Given below is a list of substance – select the ones that to be eliminated from the body.

Glucose, excess water, amino acids, urea, carbon dioxide, excess common salt, glycogen, uric acid.

Answer :

Excess water , amino acids , urea , carbon dioxide , excess common salt, uric acid

Question 2

Give two examples of the following :

(i) Nitrogenous waste

(ii) Bile pigments

(iii) Main excretory organs

(iv) Accessory excretory organs

(v) Water-soluble vitamins

Answer :

(i) Nitrogenous waste : Ammonia and Uric acid.

(ii) Bile pigments : Bilirubin and Biliverdin.

(iii) Main excretory organs :  Kidneys and Ureters.

(iv) Accessory excretory organs : Lungs and Liver.

(v) Water-soluble vitamins : Thiamin and Riboflavin.

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Progress Check-2

Excretory System ICSE Progress Check Class-10 Concise Selina Biology Solutions

Question 1

Name the following :

(i) The tube arising from the notch of the kidney on the median side and connecting behind with the urinary bladder.

(ii) The tube that passes the urine to the outside of the body.

(iii) The inner lighter coloured region of the kidney.

(iv) Knot-like mass of blood capillary inside Bowman’s capsule

(v) The structural and functional unit of the kidney.

(vi) The blood vessel which

       (a) enters Malpighian capsule

       (b) leaves Malpighian capsule

Answer :

(i) Ureter

(ii) Urethra

(iii) Renal medulla

(iv) Glomerulus

(v) Nephrons

(vi)

(a) Afferent arteriole is the blood vessel which enters the Malpighian capsule.

(b) Efferent arteriole is the blood vessel that leaves the Malpighian capsule.

Question 2

Given is a jumbled list of the parts of a certain body structure Loop of Henle, Bowman’s capsule, distal convoluted tubule, glomerulus, proximal convoluted tubule.

(i) Name the structure to which the listed parts belong.

(ii) Rearrange the parts in their proper sequence from the starting point to where they end.

Answer :

(i) All of the listed structures contribute to form a kidney i.e. Loop of Henle, Bowman’s capsule, distal convoluted tubule, glomerulus, proximal convoluted tubule.

(ii) The proper sequence of occurrence of the structures follow:

 glomerulus, Bowman’s capsule, proximal convoluted tubule, Loop of Henle, distal convoluted tubule.

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Progress Check-3

Excretory System ICSE Progress Check Class-10 Concise Selina Biology Solutions

Question 1

State if the following statements are true or false.

(i) The blood flows through glomerulus under great pressure.

(ii) Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.

(iii) Sodium chloride contained in glomerular filtrate is fully reabsorbed in the renal tubule.

(iv) The blood flowing through the renal artery is oxygenated and contains a lot of nitrogenous waste.

(v) The blood flowing through the renal vein is oxygenated and normally does not contain nitrogenous waste.

(vi) Excessive uric acid may produce kidney stones.