10th Class Biology Chapter 2 Short Questions with Answers Solved

Question: 1

Define Homeostasis.

Answer: 1

1-27

Homeostasis may be defined as the maintenance of internal conditions of body at equilibrium, despite changes in the external environment.

Question: 2

Write function of ureter?

Answer: 2

2-27

Ureter is the tube which carry urine from kidney to urinary bladder.

Question: 3

What Is Hilus?

Answer: 3

3-27

It is a depression near centre of the concave are of kidney through which ureter leaves kidney are other structures center or leave kidney

Question: 4

Define osmoregulation.

Answer: 4

4-27

It is the maintenances of the amounts of water and salts in body fluids. It is done by kidneys and skin.

Question: 5

What is metabolic wastes.

Answer: 5

5-27

the wastes produced during the metabolism of body. That may harm the body is called metabolic waste.

Question: 6

give function of urinary bladder?

Answer: 6

6-27

Function of urinary bladder It temporarily stores urine until it is released from body.

Question: 7

Write the function of kidney?

Answer: 7

7-27

Function of kidney. i. It filters water, salts, urea, uric acid etc from the blood and form urine. ii. It maintains salts and water balance in body fluids.

Question: 8

What is halophytes.

Answer: 8

8-27

Halophytes are the plants which live in sea water and are adapted to salty environment.

Question: 9

Write the parts of urinary system?

Answer: 9

9-27

A pair of kidneys. A pair of ureters A Urinary bladder iv A urethra

Question: 10

What is guttation.

Answer: 10

10-27

the removal of water in teh form of drops though special pores present at leaf tips or edges is called guttation.

Question: 11

What is location of kidney?

Answer: 11

11-27

they are located against the back wall of abdominal cavity just below diaphragm, one on either side of vertebral column.

Question: 12

What is the pH of blood.

Answer: 12

12-27

pH of blood is 7.3 to 7.45

Question: 13

What is renal cortex?

Answer: 13

13-27

Renal cortex is the outer part of kidney and has reddish colour

Question: 14

What is kidney failure?

Answer: 14

14-27

It is partially or completely failure of kidney to function.

Question: 15

Define thermoregulation.

Answer: 15

15-27

It is maintenance of internal body temperature.

Question: 16

What is renal medulla?

Answer: 16

16-27

Renal medulla is the inner part of kidney and is pale red in colour.

Question: 17

Differentiate between Glomerulus and Bowman's capsule.

Answer: 17

17-27

Glomerulus: glomerulus is a network of capillaries present inside the Bowman's capsule.

Question: 18

What are the major causes of kidney stones?

Answer: 18

18-27

i. Diet containing more green vegetables, salts etc. ii. Recurring urinary tract infections. iii. Less intake of water. iv. Alcohol consumption.

Question: 19

What are papillary ducts?

Answer: 19

19-27

Many collecting ducts join together to form several hundred papillary duct.

Question: 20

What is collecting duct?

Answer: 20

20-27

The distal convoluted tubules of many nephrons open in a single opening which collect the material, this opening is called collecting duct.

Question: 21

What are three main steps of urine formation?

Answer: 21

21-27

i. Pressure filtration. ii. Selective re absorption iii.tubuler Secretion

Question: 22

What are afferent and efferent arterioles?

Answer: 22

22-27

Afferent arterioles form glomerulus Efferent arterioles arise from glomerulus.

Question: 23

Write symptoms of kidney stones.

Answer: 23

23-27

Severe pain in kidney Vomiting Frequent urination Foul smelling urine Blood and pus in urine

Question: 24

What is dialysis? What are its types?

Answer: 24

24-27

It is the cleaning of blood by artificial methods. i. Peritoneal dialysis ii. Haemodialysis

Question: 25

What are pyramids?

Answer: 25

25-27

Renal medulla consists of several cone shaped areas. Which are called pyramids.

Question: 26

What is peritoneum?

Answer: 26

26-27

It is the membrane that lines the peritoneal cavity and contains blood vessels.

Question: 27

What is Dialyzer?

Answer: 27

27-27

It is an apparatus used for haemodialysis. Which helps artificial filtration of blood.

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10th Class Chapter 2 Biology Short Questions

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