Homework Practice

Printable assignment

Excretion: Kidneys, Nephrons and Plant Waste

Section A: Human Excretion

Question 1mcq

Which statement best explains: Define excretion?

A.It means the organism no longer needs energy.

B.It is mainly a chemical test for acids and bases.

C.It is a process that happens only in plants and never in animals.

D.Explain removal of metabolic wastes from body.

Question 2mcq

A student is revising Excretion. Which idea is most accurate for 'Define excretion'?

A.It describes a process that occurs only in non-living objects.

B.It refers only to reproduction and not to maintenance.

C.It is a process that happens only in plants and never in animals.

D.Explain removal of metabolic wastes from body.

Question 3mcq

Which answer would best correct a misconception about define excretion?

A.It is mainly a chemical test for acids and bases.

B.It is a process that happens only in plants and never in animals.

C.It describes a process that occurs only in non-living objects.

D.Explain removal of metabolic wastes from body.

Question 4mcq

Which statement best explains: Identify human excretory organs?

A.It refers only to reproduction and not to maintenance.

B.It means the organism no longer needs energy.

C.It is a process that happens only in plants and never in animals.

D.Name kidneys, ureters, urinary bladder and urethra with functions.

Question 5mcq

A student is revising Excretion. Which idea is most accurate for 'Identify human excretory organs'?

A.Name kidneys, ureters, urinary bladder and urethra with functions.

B.It describes a process that occurs only in non-living objects.

C.It is mainly a chemical test for acids and bases.

D.It means the organism no longer needs energy.

Question 6mcq

Which answer would best correct a misconception about identify human excretory organs?

A.Name kidneys, ureters, urinary bladder and urethra with functions.

B.It is a process that happens only in plants and never in animals.

C.It explains only external body movement, not internal cellular work.

D.It is mainly a chemical test for acids and bases.

Section B: Dialysis and Plant Excretion

Question 7mcq

The structural and functional unit of the kidney is the:

A.Nephron

B.Villus

C.Alveolus

D.Neuron

Question 8mcq

Urine formation involves filtration and:

A.Selective reabsorption

B.Fermentation

C.Photosynthesis

D.Emulsification

Question 9mcq

Selective reabsorption is important because it:

A.Returns useful substances to blood

B.Removes all nutrients permanently

C.Produces bile

D.Stops urine formation

Question 10mcq

Which statement best explains: Explain dialysis conceptually?

A.It explains only external body movement, not internal cellular work.

B.It means the organism no longer needs energy.

C.Relate artificial kidney to removal of nitrogenous wastes.

D.It refers only to reproduction and not to maintenance.

Question 11mcq

A student is revising Excretion. Which idea is most accurate for 'Explain dialysis conceptually'?

A.Relate artificial kidney to removal of nitrogenous wastes.

B.It describes a process that occurs only in non-living objects.

C.It refers only to reproduction and not to maintenance.

D.It explains only external body movement, not internal cellular work.

Question 12mcq

Which answer would best correct a misconception about explain dialysis conceptually?

A.Relate artificial kidney to removal of nitrogenous wastes.

B.It explains only external body movement, not internal cellular work.

C.It describes a process that occurs only in non-living objects.

D.It is mainly a chemical test for acids and bases.