2003 - WAEC Biology Past Questions and Answers - page 2
11
The function of the amniotic fluid in humans is to
A
protect the foetus against shocks
B
remove waste products from the foetus
C
supply food and water to foetus
D
carry oxygen to the foetus
correct option: a
Users' Answers & Comments12
Which of the following statements about water in humans is not correct? it
A
plays an important role in temperature regulation
B
acts as solvent for substances conveyed around the body
C
plays a role in the formation of vitamin
D
is needed for many life processes
correct option: c
Users' Answers & Comments13
In the test for starch, the leaf is first placed in boiling water to
A
remove the chlorophyll
B
dissolved the waxy cuticle
C
kill and make the leaf permeable
D
turn it blue-black
correct option: c
Users' Answers & Comments14
Which of the following groups of compounds are products of the light stage of photosynthesis? I. Ribulose bi-phosphate (RuBP) II. Nicotin amide di-phosphorous (NADPH2) III. Oxygen (O 2) IV. Adenosine Triphosphate (ATP)
A
I,II and lll
B
l, lll and lV
C
ll,lll and lV
D
l, ll, lll and IV
correct option: c
Users' Answers & Comments15
Which of the following is considered to be the first product of photosynthesis?
A
Protein
B
Energised chlorophyll
C
Hydroxyl ions
D
Starch
correct option: c
Users' Answers & Comments16
Which of the following organisms exhibits extracellular digestion?
A
Moulds
B
Green plants
C
Algae
D
Bryophytes
correct option: a
Users' Answers & Comments17
Which of the following essential substances is contained in vegetables?
A
Chlorophyll
B
Glucose
C
Mineral salts
D
Carbon dioxide
correct option: c
Users' Answers & Comments18
Good quality food will perform the following functions in humans except
A
supplying energy
B
providing resistance against malaria
C
sustaining growth
D
maintaining health
correct option: b
Users' Answers & Comments19
The type of nutrition shown by Spirogyra is
A
symbiosis
B
holophytic
C
holozoic
D
chemosynthetic
correct option: b
Users' Answers & Comments20
Ecology is best defined as the study of
A
the characteristics of an environment
B
the inter-relationship between living organisms and their environment
C
living organisms in a particular area
D
the habitats and wildlife
correct option: b
Users' Answers & Comments