{"id":18086,"date":"2022-05-30T20:30:44","date_gmt":"2022-05-30T15:00:44","guid":{"rendered":"https:\/\/mcq-questions.com\/?p=18086"},"modified":"2022-05-19T12:23:10","modified_gmt":"2022-05-19T06:53:10","slug":"mcq-questions-for-class-11-biology-chapter-19","status":"publish","type":"post","link":"https:\/\/mcq-questions.com\/mcq-questions-for-class-11-biology-chapter-19\/","title":{"rendered":"MCQ Questions for Class 11 Biology Chapter 19 Excretory Products and their Elimination with Answers"},"content":{"rendered":"

Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 19 Excretory Products and their Elimination with Answers Pdf free download is available here. MCQ Questions for Class 11 Biology with Answers<\/a> are prepared as per the Latest Exam Pattern. Students can solve these Excretory Products and their Elimination Class 11 MCQs Questions with Answers and assess their preparation level.<\/p>\n

Excretory Products and their Elimination Class 11 MCQs Questions with Answers<\/h2>\n

Solving the Excretory Products and their Elimination Multiple Choice Questions of Class 11 Biology Chapter 19 MCQ can be of extreme help as you will be aware of all the concepts. These MCQ Questions on Excretory Products and their Elimination Class 11 with answers pave for a quick revision of the Chapter thereby helping you to enhance subject knowledge. Have a glance at the MCQ of Chapter 19 Biology Class 11 and cross-check your answers during preparation.<\/p>\n

I. Select the correct answer from the following questions:<\/span><\/p>\n

Question 1.
\nBlood coming out of liver has high concentration of
\n(a) Urea
\n(b) Protein
\n(c) Erythrocytes
\n(d) Oxygen.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Urea.<\/p>\n<\/details>\n

\n

Question 2.
\nUrinary bladder opens into
\n(a) tlreter
\n(b) Urethra
\n(c) Uterus
\n(d) All of these.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Urethra.<\/p>\n<\/details>\n

\n

Question 3.
\nReabsorption of water in the kidney is under control of
\n(a) ACTH
\n(b) LH
\n(c) PSH
\n(d) ADH.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) ADH.<\/p>\n<\/details>\n

\n

Question 4.
\nA normal adult excretes urine per day
\n(a) 3-4 litres
\n(b) 4-5 litres
\n(c) 12-i5 litres
\n(d) 2-3 litres.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) 12-15 litres.<\/p>\n<\/details>\n

\n

Question 5.
\nExcretory product of mammals in mainly
\n(a) Uric acid
\n(b) Ammonia
\n(c) Urea
\n(d) Creatinine.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Urea.<\/p>\n<\/details>\n

\n

Question 6.
\nLoop of Henle lies in
\n(a) Medulla
\n(b) Ureter
\n(c) Cortex
\n(d) Pelvis.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Medulla.<\/p>\n<\/details>\n

\n

Question 7.
\nRemoval of amino group from an amino acid is
\n(a) Amination
\n(b) Excretion
\n(c) Deamination
\n(d) Defecaetion.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Defecaetion.<\/p>\n<\/details>\n

\n

Question 8.
\nGlomerular filtrate differs from plasma
\n(a) Yellowish colour
\n(b) Presence of urea
\n(c) Absence of proteins
\n(d) Potassium concentration<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Absence of proteins.<\/p>\n<\/details>\n

\n

Question 9.
\nGlomerular present in glomerular filtrate is reabsorbed in
\n(a) Distal convoluted tubule
\n(b) Bowman’s capsule
\n(c) Loop of Henle
\n(d) Proximal convoluted tubule.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Proximal convoluted tubule.<\/p>\n<\/details>\n

\n

Question 10.
\nNitrogenous wastes are excreted as uric acid in birds to help in
\n(a) Elimination of excess heat
\n(b) Conservation of body heat
\n(c) Reduce the change of kidney stone formation
\n(d) Conservation of water inside body.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Conservation of water inside body.<\/p>\n<\/details>\n

\n

Question 11.
\nStructural and functional unit of kidney is
\n(a) Loop of Henle
\n(b) Malpighian body
\n(c) Glomerular
\n(d) Nephron.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Nephron.<\/p>\n<\/details>\n

\n

Question 12.
\nGlomerular capillaries receive blood having a hydrostatic pressure of
\n(a) 80mm Hg.
\n(b) 85mm Hg.
\n(c) 75mm Hg.
\n(d) 90mm Hg.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) 75 mm. Hg.<\/p>\n<\/details>\n

\n

Question 13.
\nExcretion of urea is called
\n(a) Ammonotelism
\n(b) Uricotelism
\n(c) Urination
\n(d) Ureotelism.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Ureotelism.<\/p>\n<\/details>\n

\n

Question 14.
\nIn glycosuria, urine contains
\n(a) Glucose
\n(b) Inoraganic ions
\n(c) Amino acids
\n(d) Epithelial cells.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) Glucose.<\/p>\n<\/details>\n

\n

Question 15.
\nThe major excretory organs in mosquitoes are
\n(a) Flame cells
\n(b) Nephrons
\n(c) Nephridia
\n(d) Malpighian tubules.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Malpighian tubules.<\/p>\n<\/details>\n

\n

Question 16.
\nFilration in the nephron is brought about by
\n(a) Passive diffusion
\n(b) Active transport
\n(c) Secretion
\n(d) Blood pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Blood pressure.<\/p>\n<\/details>\n

\n

Question 17.
\nThe plasma resembles in its composition with the filtrate produced in glomerulus except for the presence of
\n(a) Amino acids
\n(b) Glucose
\n(c) Chlorides
\n(d) Proteins.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (d) Proteins.<\/p>\n<\/details>\n

\n

Question 18.
\nWhen a person is suffering from poor renal reabsorption which one of the following will not help in maintenance of blood volume?
\n(a) Increased ADH secretion
\n(b) Decreased arterial pressure in kidneys
\n(c) Increased arterial pressure in kidneys
\n(d) Decreased glomerular filtration.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (c) Increased arterial pressure in kidneys.<\/p>\n<\/details>\n

\n

Question 19.
\nIn such patients, urea can be removed by a process called
\n(a) Uremia
\n(b) hemodialysis
\n(c) renal failures
\n(d) Glomerulonephritis<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (b) Hemodialysis.<\/p>\n<\/details>\n

\n

Question 20.
\nAn adult human excretes on an average of urine per day.
\n(a) 1 to 1.5 litres
\n(b) 2 to 2.5 litres
\n(c) 500 gram
\n(d) 250 gram<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: (a) 1 to 1.5 litres.<\/p>\n<\/details>\n

\n

II. Fill in the blanks<\/span><\/p>\n

Question 1.
\n………….., …………. and …………. are the major forms of nitrogenous wastes excreted by the animals.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Ammonia, urea, uric acid<\/p>\n<\/details>\n

\n

Question 2.
\nThe process of excreting ………… is Ammonotelism.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: ammonia<\/p>\n<\/details>\n

\n

Question 3.
\n………….. are the tubular excretory structures of earthworms and other annelids.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Nephridia<\/p>\n<\/details>\n

\n

Question 4.
\n…………… tubules are the excretory structures of most of the insects including cockroaches.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Malpighian<\/p>\n<\/details>\n

\n

Question 5.
\n…………….. perform the excretory function in crustaceans like prawn.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Antennal glands or green glands<\/p>\n<\/details>\n

\n

Question 6.
\nIn humans, the excretory system consists of ………….., …………., …………. and …………..<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: a pair of kidneys, one pair of ureters, a urinary bladder, a urethra<\/p>\n<\/details>\n

\n

Question 7.
\nEach kidney of an adult human measures ………….. in length, …………., ………… with an average weight of ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: 10-12 cm, 5-7 cm in width, 2-3 cm in thickness, 120-170 g<\/p>\n<\/details>\n

\n

Question 8.
\nInside the kidney, there are two zones, an outer cortex and an inner ………….<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: Irrational<\/p>\n<\/details>\n

\n

Question 9.
\nA hairpin shaped Henle’s loop is the next part of the tubule which has a ……………..<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: descending and ascending limb<\/p>\n<\/details>\n

\n

Question 10.
\nSuch nephrons are called ……….. nephrons.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: cortical<\/p>\n<\/details>\n

\n

Question 11.
\nThe glomerular capillary blood pressure causes filtration of blood through 3 layers i.e., the …………….. the epithelium of Bowman’s capsule and a basement membrane between these two layers.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: endothelium of glomerular blood vessels<\/p>\n<\/details>\n

\n

Question 12.
\nGFR in a healthy individual is approximately …………..<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: 125ml\/minute<\/p>\n<\/details>\n

\n

Question 13.
\nReabsorption of water also occur ………….. in the initial segments of the nephron.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: passively<\/p>\n<\/details>\n

\n

Question 14.
\nLarge amounts of water could be reabsorbed conditionally from this region to produce a ……………<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: concentrated urine.<\/p>\n<\/details>\n

\n

Question 15.
\nANF can cause ………….. and thereby …………. the blood pressure.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: vasodilation, decrease<\/p>\n<\/details>\n

\n

III. Mark the statements (T) True or (F) False:<\/span><\/p>\n

Question 1.
\nADH facilitates water reabsorption from latter parts of the tubule, thereby preventing diuresis.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 2.
\nAngtiotensis II, being a powerful vasoconstrictor, increases the glomerular blood pressure and therby GFR.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True<\/p>\n<\/details>\n

\n

Question 3.
\nThe process of release of urine is called the micturition reflex and the neural mechanisms causing it is called the micturition.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 4.
\nThe kidneys, lungs, liver and skin also help in the elimination of excretory wastes.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 5.
\nOur lungs remove large amounts of CO2<\/sub> (18 litres\/day) and also significant quantities of water every day.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 6.
\nSweat produced by the sweat glands is a watery fluid containing NaCl. small amounts of urea, lactic acid, etc.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 7.
\nKidney transplantation is the ultimate method in the correction of acute renal failures (kidney failure).<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 8.
\nStone or insoluble mass of crystallised salts (oxalates) formed within in kidney.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True<\/p>\n<\/details>\n

\n

Question 9.
\nHuman kidneys can produce urine only one tiitie concentrated than the initial filtrate formed.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 10.
\nNaCl is transported by the descending limb of Henle’s loop which is exchanged with the ascending limb of vasa recta.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 11.
\nCollecting duct also plays a role in the maintenance of pH and ionic balance of blood by the selective secretion of H+<\/sup> and K+<\/sup> ions.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 12.
\nPCT is also capable of reabsorption of HCO3<\/sub>–<\/sup> and selective recretion of hydrogen and potassium ions.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

Question 13.
\nThe epithelial cells of Bowman’s capsule called podocytes are arranged in an intricate manner so as to leave some minute spaces called Alteration slits or slit pores.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 14.
\nThe Malpighian corpuscle, PCT and DCT of the nephron are situated in the cortical region of the kidney where as the loop of Henle dips into the medulla.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: True.<\/p>\n<\/details>\n

\n

Question 15.
\nAntennal glands are the tubular exretory structures of earthworms and other annelids.<\/p>\n

\nAnswer<\/span><\/summary>\n

Answer: False.<\/p>\n<\/details>\n

\n

IV. Match the column I with column II.<\/span><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Aquatic amphibians and aquatic insects are<\/td>\n1. Cockroaches<\/td>\n<\/tr>\n
(b) Reptiles, birds, land snails and insects<\/td>\n2. Prawn<\/td>\n<\/tr>\n
(c) Malpighian tubules<\/td>\n3. Columns of Bertini<\/td>\n<\/tr>\n
(d) Antennal glands or green glands<\/td>\n4. Uricotelic animals.<\/td>\n<\/tr>\n
(e) Meduallary pyramids<\/td>\n5. ammonotelic in nature.<\/td>\n<\/tr>\n
(f) Proximal convoluted tubule<\/td>\n6. Vasodilation and thereby decrease the blood pressure.<\/td>\n<\/tr>\n
(g) Distal convoluted tubule<\/td>\n7. CNS (central nervous system)<\/td>\n<\/tr>\n
(h) glomerular nitration rate<\/td>\n8. in the skin can eliminate certain substances<\/td>\n<\/tr>\n
(i) Vasa recta<\/td>\n9. the renal tubules.<\/td>\n<\/tr>\n
(j) Atrial Natriuretic Facter (ANF) can cause<\/td>\n10. PCT<\/td>\n<\/tr>\n
(k) Stretch receptors on the walls of the bladder send signals to the<\/td>\n11. sodium-potassium balance in blood.<\/td>\n<\/tr>\n
(l) Sweat and sebaceous glends<\/td>\n12. 180 litres per day<\/td>\n<\/tr>\n
(m) Ketone bodies<\/td>\n13. DCT<\/td>\n<\/tr>\n
(n) NH3<\/sub> to maintain the pH<\/td>\n14. counter current mechanism<\/td>\n<\/tr>\n
(o) 99 percent of the filtrate has to be reabsorbed by<\/td>\n15. Ketonuria<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\nAnswer<\/span><\/summary>\n

Answer:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Column I<\/td>\nColumn II<\/td>\n<\/tr>\n
(a) Aquatic amphibians and aquatic insects are<\/td>\n5. ammonotelic in nature.<\/td>\n<\/tr>\n
(b) Reptiles, birds, land snails and insects<\/td>\n4. Uricotelic animals.<\/td>\n<\/tr>\n
(c) Malpighian tubules<\/td>\n1. Cockroaches<\/td>\n<\/tr>\n
(d) Antennal glands or green glands<\/td>\n2. Prawn<\/td>\n<\/tr>\n
(e) Meduallary pyramids<\/td>\n3. Columns of Bertini<\/td>\n<\/tr>\n
(f) Proximal convoluted tubule<\/td>\n10. PCT<\/td>\n<\/tr>\n
(g) Distal convoluted tubule<\/td>\n13. DCT<\/td>\n<\/tr>\n
(h) glomerular nitration rate<\/td>\n12. 180 litres per day<\/td>\n<\/tr>\n
(i) Vasa recta<\/td>\n14. counter current mechanism<\/td>\n<\/tr>\n
(j) Atrial Natriuretic Facter (ANF) can cause<\/td>\n6. Vasodilation and thereby decrease the blood pressure.<\/td>\n<\/tr>\n
(k) Stretch receptors on the walls of the bladder send signals to the<\/td>\n7. CNS (central nervous system)<\/td>\n<\/tr>\n
(l) Sweat and sebaceous glends<\/td>\n8. in the skin can eliminate certain substances<\/td>\n<\/tr>\n
(m) Ketone bodies<\/td>\n15. Ketonuria<\/td>\n<\/tr>\n
(n) NH3<\/sub> to maintain the pH<\/td>\n11. sodium-potassium balance in blood.<\/td>\n<\/tr>\n
(o) 99 percent of the filtrate has to be reabsorbed by<\/td>\n9. the renal tubules.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/details>\n
\n

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Students are advised to practice the NCERT MCQ Questions for Class 11 Biology Chapter 19 Excretory Products and their Elimination with Answers Pdf free download is available here. MCQ Questions for Class 11 Biology with Answers are prepared as per the Latest Exam Pattern. Students can solve these Excretory Products and their Elimination Class 11 …<\/p>\n

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