2000 - WAEC Biology Past Questions and Answers - page 4
31
Which of the following groups consists of only micro-nutrients?
A
Molybdenum, sulphur and copper
B
Boron, Zinc and Calcium
C
Manganese, molybdenum and zinc
D
Magnesium, phosphorus and manganese.
correct option: c
Users' Answers & Comments32
The first stable product of photosynthesis is
A
starch
B
glucose
C
oxygen
D
water
correct option: b
Users' Answers & Comments33
Which of the following statements about nitrogen is not correct? Nitrogen is needed for
A
protein synthesis
B
activating certain enzymes
C
the synthesis of chlorophyll
D
healthy vegetative growth of plants
correct option: b
Users' Answers & Comments34
A very poor growth in plants and discolouration of leaves signifies the deficiency of
A
calcium
B
magnesium
C
potassium
D
manganese
correct option: c
Users' Answers & Comments35
Vitamin C which is water soluble is
A
cabalamine
B
pyridoxine
C
ascorbic acid
D
riboflavine
correct option: c
Users' Answers & Comments36
Vitamin C deficiency results in
A
ricket
B
beri-beri
C
scurvy
D
pellagra
correct option: c
Users' Answers & Comments37
Members of the vitamin B complex are
A
water-soluble
B
fat-soluble
C
water insoluble
D
generally insoluble
correct option: a
Users' Answers & Comments38
Which of the following statements about phosphorous is not correct?
A
Helps to regulate the acid-base balance of the body
B
Regulates the metabolism of proteins, fats and carbohydrates
C
Required in many chemical reactions occurring in the body
D
Phosphorous is a major constituent of bones and teeth
correct option: a
Users' Answers & Comments39
Vitamin E is concerned with
A
bone formation
B
reproduction
C
normal growth
D
formation of red blood cells.
correct option: b
Users' Answers & Comments40
A balanced meal for an adult person may consist of
A
two pieces of chicken, four balls of bean cake, two eggs and two cups of tea with milk
B
four slices of bread, one bowl of pap, two oranges and two bananas
C
four slices of yam and stew, two pieces of beef, one cup of tea with milk and two oranges
D
a plate of beans, two pieces of meat, two eggs, one cup of tea with milk and two oranges
correct option: c
Users' Answers & Comments