Page 159 - Biology Form Two

Biology for Secondary Schools

7. Match each item in Column A with its corresponding item in Column B.

Column A Column B
(i) Gas exchange A. The break down of glucose in the
presence of oxygen
(ii) Anaerobic respiration
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B. A thin tube that branches from a
(iii) Alveolus bronchus within the lung

(iv) Trachea C. Chemical reactions that release
energy from food molecules in the
(v) Bronchiole absence of oxygen

(vi) Lenticel D. One of the small pores on the bark of
woody plants which is responsible
(vii) Stoma
for gas exchange
(viii) Guard cells E. One of the millions of tiny sacs

(ix) Lungs within the lungs where gas
exchange occurs
(x) Exhalation F. Breathing out air from the lungs

G. A specialised organ for gas
exchange in reptiles, birds, and
mammals

H. Specialised cells in plants that
control the opening and closing of
the stomata
I. Thinnest tissue where respiration
takes place

J. Controls the passage of food in the
oesophagus
K. As small opening in the plant that
controls the passage of gases and
water

L. Movement of gases across the
respiratory surfaces

M. Part of the respiratory system that
allows the passage of air to and
from the lungs

Student’s Book - Form Two 153

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BIOLOGY FORM 2 NEW.indd 153