The respiratory organ of a cockroach is a/an
air sac
trachea
lung book
lung
Correct answer is B
No explanation has been provided for this answer.
The diagram below is an illustration of an experimental set-up. Study it and answer the question below.
The set-up can measure comparatively the rate of
evaporation from leaves on a single shoot under different experimental conditions
salt uptake by shoots from different plants
transpiration of a single shoot of a plant under different experimental conditions
water uptake by roots of different plants
Correct answer is C
No explanation has been provided for this answer.
The diagram is an illustration of an experimental set-up. Study it and answer the question below.
transpiration of water by the shoot
evaporation of water from the leaves
absorption of water by the shoot
loss of mineral salts from the leaves
Correct answer is A
No explanation has been provided for this answer.
Which of the following tissues does not provide support in flowering plants?
Collenchyma
Parenchyma
Xylem
Phloem
Correct answer is D
The main supporting tissues in plants are parenchyma, collenchyma, sclerenchyma (fibre) and wood (xylem).
The yeast cells carried out photosynthesis while the mould did not
Photosynthesis does not take place in the absence of oxygen
Respiration can take place in yeast cells in the absence of oxygen
Respiration does not occur in the mould
Correct answer is C
No explanation has been provided for this answer.
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