SCIENCE TEST-4
TOTAL MARKS-
Q1) Name two excretory products other than O2 and CO2 in
plants.
Q2) Draw a diagram of human excretory system and label
kidneys, ureters on it. Also describe formation of urine.
Q3) Describe in brief the function of kidneys, ureters, urinary
bladder, renal artery and urethra.
Q4) What is hemodialysis? Explain the principle, working, and one
major difference between a natural kidney and an artificial kidney.
Q5) Plants do not possess specialized excretory organs or a
nervous system like animals, yet they eliminate wastes
effectively. Elaborate on the various strategies used by plants
to excrete different types of waste products.
Q6) The human body relies on multiple organs to remove
toxic compounds. Compare the structural and functional
design of the Alveoli in the Lungs with the Nephrons in the
Kidneys regarding waste removal.
Q7) "What is a toxic waste product for a plant can be a highly
valuable resource for humans and the ecosystem." Justify this
statement by explaining the commercial use of four distinct
plant excretory products.
Q8)How artificial kidney works different than normal kidney?
TOTAL MARKS-
Q1) Name two excretory products other than O2 and CO2 in
plants.
Q2) Draw a diagram of human excretory system and label
kidneys, ureters on it. Also describe formation of urine.
Q3) Describe in brief the function of kidneys, ureters, urinary
bladder, renal artery and urethra.
Q4) What is hemodialysis? Explain the principle, working, and one
major difference between a natural kidney and an artificial kidney.
Q5) Plants do not possess specialized excretory organs or a
nervous system like animals, yet they eliminate wastes
effectively. Elaborate on the various strategies used by plants
to excrete different types of waste products.
Q6) The human body relies on multiple organs to remove
toxic compounds. Compare the structural and functional
design of the Alveoli in the Lungs with the Nephrons in the
Kidneys regarding waste removal.
Q7) "What is a toxic waste product for a plant can be a highly
valuable resource for humans and the ecosystem." Justify this
statement by explaining the commercial use of four distinct
plant excretory products.
Q8)How artificial kidney works different than normal kidney?
