Excretory Products And Their Elimination Test

Excretory Products And Their Elimination

This is Excretory Products And Their Elimination Test-02 for CBSE class 11 Biology.. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Blood enters glomerular capillaries through _____ arteriole and leaves through _____ arteriole :
  • A
    efferent, afferent
  • B
    afferent, efferent
    Correct
  • C
    distributing, collecting
  • D
    radial, collecting
2
pH of urine under healthy conditions is :
  • A
    neutral
  • B
    highly alkaline
  • C
    slightly acidic
    Correct
  • D
    slightly alkaline
3
Which of the following is not a part of glomerular filtrate?
  • A
    creatinine
  • B
    glucose
  • C
    globulins
    Correct
  • D
    inorganic salts
4
The epithelial cells of Bowman’s capsule are called:
  • A
    Slit pores
  • B
    Filtration slits
  • C
    Podocytes
    Correct
  • D
    Calyces
5
Conditional reabsorption of sodium ions and water takes place in
  • A
    DCT
    Correct
  • B
    PCT
  • C
    Collecting duct
  • D
    Henle’s loop
6
The filtration fraction is the ratio of GFR to RPF where both the values are in ml/min and FF is expressed in percentage. Calculate FF for a normal adult human being, if RPF= 600ml/min :
  • A
    20.73%
  • B
    2.08%
  • C
    10.38%
  • D
    20.83%
    Correct
7
During urine formation, the tubular cells secrete ------------------ into the filtrate.
  • A
    Potassium ions and ammonia
  • B
    Hydrogen ions, potassium ions and ammonia
    Correct
  • C
    Only ammonia
  • D
    Hydrogen ions and potassium ions
8
Counter current mechanism : i. It operates in all vertebrates. ii. It produces hypertonic urine.
  • A
    Statement i) is correct and ii) is wrong.
  • B
    both are wrong
  • C
    both are correct
  • D
    Statement i) is wrong and ii) is correct.
    Correct
9
Read the following statements about urine formation : i. ultrafiltration doesn’t need any energy expenditure by kidney cells. ii. selective reabsorption of glucose, water, urea, hormones, amino acids etc takes place through passive transport. iii. PCT cells have many microvilli along with few mitochondria since most of nutrients are absorbed passively.
  • A
    only statement ii) is correct.
  • B
    all statements are correct.
  • C
    only statement i) is correct.
    Correct
  • D
    only statement ii) and iii) are correct.
10
If in glomerular capillaries, pressure of blood is 75 mm Hg, osmotic pressure of plasma proteins is 30 mm Hg, and hydrostatic pressure of fluid in renal tubule is 25 mm Hg then net force or the filtration pressure will be calculated as :
  • A
    75 – [ 30 – 20 ] mm Hg
  • B
    75 + [ 30 – 20 ] mm Hg
  • C
    75 – [ 30 + 20 ] mm Hg
    Correct
  • D
    75 + [ 30+20 ] mm Hg
11
The hormone with enzymatic action which catalyses conversion of angiotensinogen into angiotensin is :
  • A
    Renin
    Correct
  • B
    JFA
  • C
    Aldosterone
  • D
    ANF
12
Vasopressin is a hormone involved in regulation of urine formation. It is secreted from :
  • A
    Kidney JGA
  • B
    adenohypohysis
  • C
    neurohypophysis
    Correct
  • D
    Hypothalamus
13
Select the mismatched pair of the following :
  • A
    Juxtamedullary Nephron -about 15% of total nephrons
  • B
    Glomerular Filtration Rate- 180 litres per day
  • C
    Lungs removes CO2- 180L/day
    Correct
  • D
    Cortical Nephron -About 25% of total nephrons
14
What are the unlabeled a, b & c in the given flow chart ?
Question 14 figure 1
  • A
    renin, adrenal cortex, sodium retention
    Correct
  • B
    renin, adrenal medulla, potassium retention
  • C
    rennin, adrenal cortex, sodium retention
  • D
    rennin,adrenal medulla, sodium chloride retention
15
Read the following about renal threshold : i. The renal threshold of glucose is 180 mg/100ml of blood. ii. If blood level of glucose exceeds 180mg, it leads to diabetes insipidus. iii. If blood level of glucose exceeds 180mg, it leads to diabetes mellitus.
  • A
    only statement i) and iii) are correct.
    Correct
  • B
    only statement i) and ii) are correct.
  • C
    all statements are wrong.
  • D
    only statement i) is correct.