CBSE Questions for Class 11 Medical Biology Excretory Products And Their Elimination Quiz 14 - MCQExams.com

Proximal convoluted tubule (PCT) is lined with 
  • Cuboidal epithelium
  • Simple brush border epithelium
  • Simple cuboidal brush border epithelium
  • Simple ciliated brush border epithelium
  • Columnar epithelium
Podocytes are the cells present in 
  • Cortex of nephron
  • Inner wall of Bowman's capsule
  • Proximal convoluted tubule
  • Wall of glomerular capillaries
Which type of kidney is found in the amphibians?
  • Holonephric
  • Mesonephric
  • Pronephric
  • Metanephric
Which among the following is the correct order of excretory organs in cockroach, earthworm and rabbit respectively?
  • Skin, Malpighian tubules and kidney
  • Malpighian tubules, nephridia and kidney
  • Nephridia, Malpighian tubule and kidney
  • Nephridia, kidney and green gland
A notch present on the medial side of kidney is known as
  • Ureter
  • Pelvis
  • Hilum
  • Pyramid
Incomplete loop of Henle is found in 
  • Frog
  • Human
  • Bird
  • Mammal
Trimethylamine is the excretory product in
  • Marine teleosts
  • Fresh water fishes
  • Terrestrial molluses
  • Amphibians
Kidney crystals are solid clusters of
  • Calcium nitrate and uric acid
  • Calcium phosphate and uric acid
  • Calcium carbonate and uric acid
  • Calcium metabisulfite and uric acid
Normally, in a healthy adult the daily initial filtrate in the kidneys is
  • 18 L
  • 1.8 L
  • 180 L
  • 9 L
Concentration of urine depends upon which of the following organs?
  • Bowman's capsule
  • Length of Henle's loop
  • Proximal convoluted tubule
  • Network of capillaries arising from glomerulus
The retroperitoneal kidney is
  • Kidney of fish
  • Kidney covered by peritoneum on ventral side
  • Kidney covered by peritoneum on dorsal side
  • Kidney uncovered by peritoneum on ventral side
If kidneys fail to reabsorb water, the effect on tissue would
  • Remain unaffected
  • Shrink and shrivel
  • Absorb water from blood plasma
  • Take more O$$_2$$ from the blood
Urine is always fluid except in
  • Birds
  • Humans
  • Amphibians
  • Mammals
Excretory organs in fishes are
  • Malpighian corpuscles
  • Nephridia
  • Kidneys
  • Flame cell
The urinary bladder is muscular and is under ............ control.
  • Muscular
  • Mechanical
  • Nervous
  • Hormonal
Circulatory system also performs the function of homeostasis.
  • True
  • False
Malpighian corpuscles occur in
  • Medulla
  • Cortex
  • Pelvis
  • Pyramid
Nitrogenous waste in human beings is 
  • Urea
  • Amino acid
  • Fatty acid
  • Ammonia
Substrate which is not filtered through glomerulus is
  • Plasma
  • Glucose
  • Blood corpuscles
  • Urea
Tuft of capillaries in Bowman's capsule is called as
  • Glomerulus
  • Renal artery
  • Cortex
  • Proximal convoluted tubule
A fall in glomerular filtration rate (GFR) activates
  • Adrenal medulla to release aldosterone.
  • Adrenal medulla to release adrenaline.
  • Posterior pituitary to release vasopressin.
  • Juxta glomerular cells to release renin.
The filtrate from the glomerulus contains
  • Urea and uric acid
  • Urea, uric acid and ammonia
  • Urea, uric acid, ammonia and water
  • Urea, uric acid, glucose and water
If the urine excreted by a person contains glucose the condition is called as
  • Galacturia
  • Diabetes insipidus
  • Glycosuria
  • Gluacoma
Excretion is required for maintaining homeostasis of body fluids through regulation of their
  • Volume, composition, pH and osmotic potential
  • Volume
  • Composition and pH
  • Osmotic potential
Difference between glomerular filtrate and plasma is of
  • Proteins
  • Potassium
  • First is white whereas latter is yellow.
  • First is yellow whereas latter is white.
Vasopressin released from the neurohypophysis is mainly responsible for
  • Facultative reabsorption of water through Henle's loop
  • Obligatory reabsorption of water through Bowman's capsule
  • Facultative reabsorption of water through DCT
  • Obligatory reabsorption of water through PCT
The part of a nephron which opens into the collecting duct is/are
  • DCT
  • DCT and PCT
  • Henle 's loop
  • Glomerulus
Nitrogenous wastes are formed from the breakdown of
  • NH$$_3$$
  • Fat
  • Amino acids
  • Water
The process of tubular secretion in nephron takes place in
  • Glomerulus
  • Proximal convoluted tubule
  • Loop of Henle
  • Both B and C
Which segment of renal tubule is permeable to water but nearly impermeable to salts?
  • Descending limb of Henle's loop
  • Proximal convoluted tubule
  • Ascending limb of Henle's loop
  • Distal convoluted tubule
Which among the following is not a kidney disorder?
  • Paget's disease
  • Oedema
  • Bright's disease
  • Both A and B
Which one is an accessory excretory organ?
  • Liver
  • Stomach
  • Intestine
  • Heart
The main function of loop of Henle is the reabsorption of water from the contents of renal tubules. In which of the following will the loop of Henle by poorly developed or even absent?
  • Desert mouse
  • Carnivorous bird
  • Freshwater fish
  • Garden bladder
Which one of the following sets of animals produces the same substance as their chief excretory product?
  • Cockroach, camel and lizard
  • Man, dog and camel
  • Amoeba, ant and antelope
  • Fowl, fish and frog
Extraction of sodium is mainly done by
  • Distal tubule
  • Proximal tubule
  • Ureter
  • None of the above
Kidneys, skin and lungs are
  • Excretory organs
  • Digestive organs
  • Reproductive organs
  • None of the above.
Insulin is
  • Vitamin
  • Proteinaceous hormone
  • Amine hormone
  • Steroid
Ammonia is converted into urea in
  • Kidney
  • Spleen
  • Liver
  • Nephron
Excess of urea in blood resulting from kidney failure is known as
  • Urochrome
  • Uremia
  • Ureotelic
  • None of the above.
The normal range of pH of urine is
  • 7.0
  • 4.6 - 8.0
  • 3.5 - 8.0
  • 5.0 - 6.0
The loop of Henle is most highly developed in
  • Freshwater fishes
  • Salamanders
  • Desert lizards
  • Mammals
Which part of nephron in human kidney is associated with active transport of Na+?
  • Bowman's capsule
  • Convoluted part
  • Collecting tubule
  • Neck
Which of the following tissue form the linning of Bowman's capsule?
  • Stratified squamous epithelium
  • Simple squamous epithelium
  • Non-ciliated columnar epithelium
  • Pseudostratified ciliated columnar epithelium
The elimination of the insoluble calcium phosphate takes place by
  • Liver
  • Kidney
  • Lungs
  • Large intestine
The renal abnormality detection procedure uses the following techniques except
  • Pyelography
  • Polarography
  • Cytoscope
  • X-ray photography
Capillaries of glomeruli are
  • Entirely venous
  • Entirely arterial
  • Both venous and arterial
  • None of the above
The major chemical compound found in human kidney stones is
  • Uric acid
  • Calcium carbonate
  • Calcium oxalate
  • Calcium sulphate
The area of maximum reabsorption and distribution of fats is
  • DCT
  • PCT
  • Henle's loop
  • Glomerculus
When the kidney is no longer held in place securely, the stage is called as
  • Nephrosis
  • Nephritis
  • Nephroptosis
  • Diuresis
Select the wrongly paired one from the following.
  • Hepatic caecae - Exretion
  • Crop in grasshopper - Temporary storage of food
  • Blood of grasshopper - Haemolymph
  • Egetion - Removal of undigested food from the body.
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