Font size
WorksheetsExcretion in plants and animals
Total questions: 20
Worksheet time: 11mins
When water TRANSPIRES from the stoma into the atmosphere, what phase is it in
Solid
Liquid
Gas
Which of the following helps to reduce the lose of water from a plant?
the arrangement of palisade mesophyll cells
the presence of xylem
the waxy layer of cuticle
the arrangement of spongy mesophyll cells
Why is the evaporation of water from leaves important?
It cools leaves and helps move water up the plant.
It makes the plant wilt
It helps the plant to respire
Select all of the environmental factors that would increase transpiration.
Choose more than 1
Increased humidity
Increased wind speed
Decreased surface area
The direction of the wind
This experiment proves that ......
Transpiration helps in the water ascent
Transporting of water through xylem
Transpiration occurs by plants
Guttation occurs by plants
Which part of nephron allows the selective re-absorption of useful substances like glucose, amino acids, salts and water into the blood cappilaries?
Tubule
Glomerulus
Bowman's capsule
Ureter
The procedure used for cleaning the blood of a person by separating urea from it is called:
Osmosis
Filteration
Dialysis
Double circulation
Identify the correct path of urine in the human body.
Kidney - urinary bladder - urethra - ureter.
Urinary bladder - ureter - kidney - urethra.
Kidney - ureter - urethra - urinary bladder.
Kidney - ureter - urinary bladder - urethra.
The filtration units of kidneys are called:
Ureter
Urethta
Neurons
Nephrons
Bowman's Capsule is located in:
Cortex
Henle's Loop
Bladder
None
The ______ synthesizes most of the excretory compound in humans and is eliminated through ______
Liver, Urine
Kidneys, Urine
Liver, Bile Juice
Lungs, CO2
The ______ is a network of tiny blood vessels located at the beginning of a nephron.
Renal Vein
Tubular part
Glomerulus
Loop of Henle
These organs are responsible for what?
storing urine
storing water
filtering blood
they don't have a particular job
Where does selective re-absorption of glucose happen in the nephron ?
In the proximal (first) convoluted tubule
In the distal (second) convoluted tubule
In the collecting duct
What happens if the blood plasma is too concentrated?
Less ADH is released, causing more water to be reabsorbed in the nephrons
More ADH is released, causing less water to be reabsorbed in the nephrons
More ADH is released, causing more water to be reabsorbed in the nephrons
What does urine contain?
Water and urea only
Water and salts only
Water, urea and salts
What does the filtrate in the Bowman's capsule contain?
Water, ions, urea and proteins
Water, ions, urea and glucose
Water, urea, ions and red blood cells
Which blood vessels supply the kidneys?
The hepatic arteries
The renal arteries
The pulmonary arteries
