Comprehensive Study 1 Up to Date Content
Nat 5 Biology Revision -
Multicellular Organisms Latest
Questions and Graded Answers
Xylem
Ans: Transports water and minerals through the
stem, they are dead
Chromatids
Ans: Two identical copies of a chromosome
Phloem
Ans: Transports sugar through the plant
Root Hair Cells
Ans: Increases root surface area to absorb more
water
Transpiration
Ans: The loss of water through the leaves
Guard Cells
Ans: Controls the opening and closing of the stomata
Stomata
Ans: Small pores/openings on a leaf through which
oxygen and carbon dioxide can move
Up to Date Content
, Comprehensive Study 2 Up to Date Content
Leaf Veins
Ans: Contains xylem and phloem cells
Spongy Mesophyll
Ans: Layer has air spaces to allow gas exchange, also
the site of photosynthesis
Palisade Mesophyll
Ans: Contains cells closely packed together filled
with many chloroplasts, it is main site of
photosynthesis.
Pancreas
Ans: Releases hormones to control blood glucose
levels
Liver
Ans: Stores glucose as glycogen
Glycogen
Ans: A storage carbohydrate in animals
Sensory Neuron
Ans: Moves electrical impulses from receptor cells to
the CNS
Inter Neuron
Up to Date Content
Nat 5 Biology Revision -
Multicellular Organisms Latest
Questions and Graded Answers
Xylem
Ans: Transports water and minerals through the
stem, they are dead
Chromatids
Ans: Two identical copies of a chromosome
Phloem
Ans: Transports sugar through the plant
Root Hair Cells
Ans: Increases root surface area to absorb more
water
Transpiration
Ans: The loss of water through the leaves
Guard Cells
Ans: Controls the opening and closing of the stomata
Stomata
Ans: Small pores/openings on a leaf through which
oxygen and carbon dioxide can move
Up to Date Content
, Comprehensive Study 2 Up to Date Content
Leaf Veins
Ans: Contains xylem and phloem cells
Spongy Mesophyll
Ans: Layer has air spaces to allow gas exchange, also
the site of photosynthesis
Palisade Mesophyll
Ans: Contains cells closely packed together filled
with many chloroplasts, it is main site of
photosynthesis.
Pancreas
Ans: Releases hormones to control blood glucose
levels
Liver
Ans: Stores glucose as glycogen
Glycogen
Ans: A storage carbohydrate in animals
Sensory Neuron
Ans: Moves electrical impulses from receptor cells to
the CNS
Inter Neuron
Up to Date Content
