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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Questions
Q1. Which among the following is not ammonotelic
Mammal is ureotelic
Q2. Which among the following is not ureotelic
Aquatic insect is ammonotelic
Q3. Which among the following is not uricootelic
Mammal is ureotelic
Q4. Which among is the most toxic
Ammonia is the most toxic
Q5. Which requires min water for removal from body
Uric acid is least toxic thus requires less water
Q6. Flame cells or protonephridia are NOT excretory structure of
They have malphigian body for excretion
Q7. Kidney is present between
Present between last thoracic and third lumbar
Q8. Green glands/ antennal glands are excretory structures of which organism
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
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
Malphigian capsul is an excretory structure.
Q13. Which nephrons run deep into the medulla
Cortical nephron is short in length
Q14. Kidney transplantation is the ultimate method of correction in which case
A functioning kidney is used in transplantation
Q15. Which loop of hence is permeable to water
Only descending loop of henle is permeable to water.
Q16. Which gland remove substances like sterols, hydrocarbons and waxes
Sweat glands release these substances
Q17. Presence of glucose in urine is known as
Ketonuria is presence of ketone body in urine
Q18. Inflammation of glomeruli of kidney is known as
Q19. Angiotensinogen 2 is
It only cause vasoconstriction
Q20. ANF can cause
It only cause vasodilation
Q21. GFR in healthy individual is
Its approx 125 ml/min I.e 180L per day
Q22. Ciliated columnar cells are lined in which of the following
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
Its absent or highly reduced in cortical nephron
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