CBSE Questions for Class 11 Medical Biology Excretory Products And Their Elimination Quiz 7 - MCQExams.com

Glucose is taken back from glomerular filtrate through
  • Active transport
  • Passive transport
  • Osmosis
  • Diffusion
The basic structural/functional unit of kidney is
  • Henles loop
  • Nephron
  • Nephridium
  • Pyramid
Substrate which is not reabsorbed in urine is
  • Carbohydrates
  • Fats
  • Vitamins
  • Proteins
Length of female urethra is
  • 15 cm
  • 10 cm
  • 4 cm
  • 2 cm
Henle's loop is found in
  • Lungs
  • Heart
  • Kidney
  • Liver
Which of the following is  present in the kidney?
  • Glomerulus
  • Ciliated nephrons
  • Middle kidney duct
  • Nephridia
Reabsorption of chloride ions from glomerular filtrate in kidney tubule occurs by
  • Active transport
  • Diffusion
  • Osmosis
  • Brownian movement
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 blood
The alignment of kidney are
  • At the level of ovaries
  • At the same level
  • Left kidney at a higher level than the right one
  • Right kidney at a higher level than the left one
Nephrons are connected with
  • Respiratory system
  • Nervous system
  • Circulatory system
  • Excretory system
Creatinine level decreases in
  • Children
  • Pregnant women
  • Fasting persons
  • Healthy males
Sea Gulls excrete salts through
  • Liver
  • Lungs
  • Urine
  • Nasal gland
Glomerulus and Bowmans capsule constitute
  • Blood vessels
  • Malpighian body
  • Green gland
  • Malpighian tubule
Henles loops occur in
  • Seminiferous tubules of Frog
  • Seminiferous tubules of Rabbit
  • Nephrons of mammals
  • Nephrons of Frog
In Amoeba, $$NH_3$$ is excreted through
  • Food vacuole
  • Plasma membrane
  • Contractile vacuole
  • All of the above
Filtration occurs in 
  • Glomerulus
  • Bowmans capsule
  • Malpighian body
  • Ureter
In kidney, nephrostomes are functional in
  • Tadpole
  • Adult Frog
  • Cockroach
  • Rabbit
Malphigian tubules remove excretory products from
  • Kidney
  • Haemolymph
  • Alimentary canal
  • None of the above
Bowmans capsule is constituent of
  • Renal artery
  • Ureter
  • Uriniferous tubule
  • Renal portal vein
The cells named podocytes occur in
  • Inner wall of Bowman's capsule
  • Outer wall of Bowmans capsule
  • Large intestine
  • Neck region of nephrons
Function of loop of Henle is 
  • Conservation of water
  • Formation of urine
  • Filtration of blood
  • Passage of urine
Characteristic of metanephric kidney is
  • Hypotonic urine
  • Uric acid formation
  • Loop of Henle
  • Hormone production
Ciliated funnels found on the ventral side of kidney in Frog are
  • Ostia
  • Nephrostomes
  • Bidders organs
  • Corpora adiposa
Contractile vacuole is analogous to
  • Sweat gland
  • Kidney
  • Seminiferous tubule
  • Nerve fibre.
In housefly, the excretory organs are
  • Nephridia
  • Flame cells
  • Malpighian tubules
  • Kidneys
Functional kidney of tadpole in Frog is
  • Pronephros
  • Mesonephros
  • Metanephros
  • Archinephros
Kidney of Frog is
  • Pronephros
  • Mesonephros
  • Opisthonephros
  • Metanephros
Xenopus excretes
  • Uric acid
  • Urea
  • Ammonia
  • Creatinine
Match the following and pick the correct combination.

  LIST I  LIST II
 A Kupffer Cells 1 Small intestine
 B $$\beta$$ cells 2 PCT
 C Brush border cell 3 Liver sinusoids
 D Paneth cells 4 Pituitary
   5 Islets Langerhans
  • A- 5, B- 3, C- 2, D- 1
  • A- 3, B- 5, C- 2, D- 1
  • A- 2, B- 5, C- 1, D- 3
  • A- 1, B- 2, C- 3, D- 5
Number of nephrons in each kidney of man is
  • 0.7 million
  • 0.9 million
  • 1.2 million
  • 1.6 million
Normal range of urea in 100 ml of human blood is
  • 56-70 mg
  • 40-80 mg
  • 17- 30 mg
  • 4-16 mg
Concentration of inorganic salts in normal urine of a human being is
  • 0.15%
  • 0.25%
  • 1.5%
  • 2.5%
In nephron, water absorption is maximum in
  • Proximal convoluted tubule
  • Loop of Henle
  • Glomerulus
  • Distal convoluted tubule
Metanephros kidney occurs in
  • Amniotes
  • Fishes
  • Amphibians
  • Invertebrates
Number of nephrons of a kidney is equal to
  • Sum of Bowmans capsules and glomeruli
  • Sum of Bowmans capsules and malpighian corpuscles
  • Double the number of Bowmans capsule
  • Equal to number of Bowmans capsules
Urinary bladder is absent in
  • Aves
  • Reptiles
  • Amphibians
  • Mammal
Loop of Henle is part of
  • Uriniferous tubule
  • Seminiferous tubule
  • Neuron
  • Muscle fibres
Kidney of frog is 
  • Pronephric
  • Mesonephric
  • Metanephric
  • None of the above
Hippuric acid, creatinine and ketones are added to urine through
  • Reabsorption
  • Glomerular filtration
  • Tubular secretion
  • Both B and C
In Hydra, wastes of food digestion and nitrogenous wastes are removed from
  • Mouth and mouth
  • Mouth and tentacles
  • Body wall and body wall
  • Mouth and body wall
Mesonephric kidney is found in
  • Aves
  • Reptilia
  • Amphibia
  • Mammalia
Which one does not enter nephron
  • Water
  • Glucose
  • Plasma proteins
  • Urea
Part of nephron impermeable to salt is
  • Proximal convoluted tubule
  • Distal convoluted tubule
  • Descending limb of loop of Henle
  • Ascending limb of loop of Henle
Urine is concentrated in loop of Henle in
  • Descending limb
  • Thick ascending limb
  • Hairpin bend between descending and ascending limbs
  • Area between ascending limb and distal convoluted tubule
Kidneys are excretory organs in
  • All chordates
  • Mammals only
  • Mammals and amphibians only
  • Mammals, reptiles and amphibians only
Excretory organs of flatworms / Taenia are
  • Flame cells
  • Nephridia
  • Malpighian tubules
  • Renette glands
Loop of Henle is connected with
  • Dilution of urine
  • Removal of water
  • Counter current multiplier system
  • Remove salt
Main function of glomerulus is
  • Reabsorption of water
  • Filtration of urine
  • Reabsorption of $$Na^+$$
  • Concentration of urine
As compared to blood, human urine is
  • Isotonic
  • Hypotonic
  • Hypertonic
  • None of the above
What is wrong about kidney
  • Peripheral cortex and central medulla
  • Blood enters glomerulus through efferent arterioles
  • Malpighian capsules occur in cortex
  • Concave part of kidney is called hilus
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