CBSE 11th Standard Biology Subject Excretory Products and Their Elimination HOT Questions 1 Marks Questions 2021
By QB365 on 29 May, 2021
QB365 Provides the HOT Question Papers for Class 11 Biology, and also provide the detail solution for each and every HOT Questions. HOT Questions will help to get more idea about question pattern in every exams and also will help to get more marks in Exams
QB365 - Question Bank Software
CBSE 11th Standard Biology Subject Excretory Products and Their Elimination HOT Questions 1 Marks Questions 2021
11th Standard CBSE
-
Reg.No. :
Biology
-
How do lungs help in excretion?
(a)Carbon dioxide and water are the waste products removed by the lungs in the expired air
-
What is the ratio of the concentrated filtrate to that of the initial filtrate?
(a)The concentrated urine(filtrate) is nearly four times concentrated than the initial filtrate formed.
-
What will be the effect on the amount of urine released when water is abundant in the body tissues in case of vertebrates?
(a)Vertebrates excrete large quantities of dilute urine when water is abundant in the body tissues and vice-versa.
-
Write the mode of excretion performed by Xenopus.
(a)Dual excretion (mainly ammonotelism and partly ureotelism).
-
Give the name of cells that are responsible for the formation of filtration slits or slit pores.
(a)Podocytes (epithelial cells present in the inner wall of Bowman's capsule).
-
Give the name of the nitrogenous waste which is produced in birds.In what form is it eliminated from the body?What is the advantage of this type of excretion?
(a)Birds excrete uric acid in the form of pellet or paste (semi-solid form). It helps is conservation of water.
-
What stimulates the release of aldosterone? How does aldosterone increase the blood pressure and regulate GFR?
(a)Angiotensin-II
-
What is stimulus for the cells of JGA to release renin?
(a)Glomerular blood pressure falls.
-
Why tubular secretion an important step in urine formation?
(a)maintains ionic balance and pH of body fluids.
-
Give the technical term for each of the following. Inflamation of glomeruli of kidney.
b. Formation of insoluble masses of crystallized salts.
c. Accumulation of urea in the blood.
d. The process of artificial removal of urea from blood.(a)a. Glomerulo-nephritis
b. Renal calculi
c. Uremia
d. HemoDialysis
1 Marks
*****************************************
CBSE 11th Standard Biology Subject Excretory Products and Their Elimination HOT Questions 1 Marks Questions 2021 Answer Keys
-
Carbon dioxide and water are the waste products removed by the lungs in the expired air
Carbon dioxide and water are the waste products removed by the lungs in the expired air
-
The concentrated urine(filtrate) is nearly four times concentrated than the initial filtrate formed.
The concentrated urine(filtrate) is nearly four times concentrated than the initial filtrate formed.
-
Vertebrates excrete large quantities of dilute urine when water is abundant in the body tissues and vice-versa.
Vertebrates excrete large quantities of dilute urine when water is abundant in the body tissues and vice-versa.
-
Dual excretion (mainly ammonotelism and partly ureotelism).
Dual excretion (mainly ammonotelism and partly ureotelism).
-
Podocytes (epithelial cells present in the inner wall of Bowman's capsule).
Podocytes (epithelial cells present in the inner wall of Bowman's capsule).
-
Birds excrete uric acid in the form of pellet or paste (semi-solid form). It helps is conservation of water.
Birds excrete uric acid in the form of pellet or paste (semi-solid form). It helps is conservation of water.
-
Angiotensin-II
Angiotensin-II
-
Glomerular blood pressure falls.
Glomerular blood pressure falls.
-
maintains ionic balance and pH of body fluids.
maintains ionic balance and pH of body fluids.
-
a. Glomerulo-nephritis
b. Renal calculi
c. Uremia
d. HemoDialysisa. Glomerulo-nephritis
b. Renal calculi
c. Uremia
d. HemoDialysis
1 Marks
