Y10 IGCSE Biology Revision

Which of these is the correct definition for 'nutrition'?

• Getting rid of toxic waste products

• Making food or taking it in through eating or absorbing

• Releasing energy from food

• Responding to external stimuli

Which of these is the correct definition for 'excretion'?

• Getting rid of toxic waste products

• Making food or taking it in through eating or absorbing

• Releasing energy from food

• Responding to external stimuli

Which of these is the correct definition for 'sensitivity'?

• Getting rid of toxic waste products

• Making food or taking it in through eating or absorbing

• Releasing energy from food

• Responding to external stimuli

Which of these is the correct definition for 'respiring'?

• Getting rid of toxic waste products

• Making food or taking it in through eating or absorbing

• Releasing energy from food

• Responding to external stimuli

Which of these structures are always present in all animal AND plant cells?

• Cell membrane, cell wall, nucleus

• Cell membrane, mitochondria, nucleus

• Cell wall, cytoplasm, nucleus

• Cell membrane, cell wall, chloroplast

Which of these is the correct function of the nucleus?

• Liquid medium in which chemical reactions take place

• Site of aerobic respiration

• Controls what enters and leaves the cell

• Contains the genetic information

Which of these is the correct function of the cytoplasm?

• Liquid medium in which chemical reactions take place

• Site of aerobic respiration

• Controls what enters and leaves the cell

• Contains the genetic information

Which of these is the correct function of the mitochondrion?

• Liquid medium in which chemical reactions take place

• Site of aerobic respiration

• Controls what enters and leaves the cell

• Contains the genetic information

Which of these is the correct function of the chloroplast?

• Liquid medium in which chemical reactions take place

• Absorbs light for photosnythesis

• Controls what enters and leaves the cell

• Contains the genetic information

This is a microscope image of..

• a plant cell

• an animal cell

• a yeast cell

• a bacterial cell