Practice these important questions from the chapter – Excretory system (Class 11th Biology) for the viva, NEET, and other competitive entrance exams.
Excretory system – (Class 11th Biology) Revision Test | MCQs For NEET
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Total: 24 Questions
Questions
Q1.
Which among the following is not ammonotelic
ЁЯУШ Explanation:
Mammal is ureotelic
Q2.
Which among the following is not ureotelic
ЁЯУШ Explanation:
Aquatic insect is ammonotelic
Q3.
Which among the following is not uricootelic
ЁЯУШ Explanation:
Mammal is ureotelic
Q4.
Which among is the most toxic
ЁЯУШ Explanation:
Ammonia is the most toxic
Q5.
Which requires min water for removal from body
ЁЯУШ Explanation:
Uric acid is least toxic thus requires less water
Q6.
Flame cells or protonephridia are NOT excretory structure of
ЁЯУШ Explanation:
They have malphigian body for excretion
Q7.
Kidney is present between
ЁЯУШ Explanation:
Present between last thoracic and third lumbar
Q8.
Green glands/ antennal glands are excretory structures of which organism
ЁЯУШ Explanation:
Planaria have flame cells, cockroach have malphigian tubules and earthworm have nephridia
Q9.
What is an average weight of kidney
Q10.
Each kidney has how many nephrons
ЁЯУШ Explanation:
2 million nephrons are present in each kidney
Q11.
What are the structural and functional unit of kidney
Q12.
Bowman capsule with glomerulus is known as
ЁЯУШ Explanation:
Malphigian capsul is an excretory structure.
Q13.
Which nephrons run deep into the medulla
ЁЯУШ Explanation:
Cortical nephron is short in length
Q14.
Kidney transplantation is the ultimate method of correction in which case
ЁЯУШ Explanation:
A functioning kidney is used in transplantation
Q15.
Which loop of hence is permeable to water
ЁЯУШ Explanation:
Only descending loop of henle is permeable to water.
Q16.
Which gland remove substances like sterols, hydrocarbons and waxes
ЁЯУШ Explanation:
Sweat glands release these substances
Q17.
Presence of glucose in urine is known as
ЁЯУШ Explanation:
Ketonuria is presence of ketone body in urine
Q18.
Inflammation of glomeruli of kidney is known as
Q19.
Angiotensinogen 2 is
ЁЯУШ Explanation:
It only cause vasoconstriction
Q20.
ANF can cause
ЁЯУШ Explanation:
It only cause vasodilation
Q21.
GFR in healthy individual is
ЁЯУШ Explanation:
Its approx 125 ml/min I.e 180L per day
Q22.
Ciliated columnar cells are lined in which of the following
ЁЯУШ Explanation:
In DCT columnar cells are present w/o cilia
Q23.
On average how much blood is filtered by kidney per minute
Q24.
Vasa recta is present in which type of nephron
ЁЯУШ Explanation:
Its absent or highly reduced in cortical nephron
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