1.
Which of the following nutrients is not needed by crops in large quantity?
calcium
iron
nitrogen
phosphorus
2.
The motion of gas particles is an example of a
circular motion
rectilinear motion
rational motion
random motion
3.
Which of the following hormones maintains pregnancy in humans?
Follicle-simulating hormone
Oestrogen
Progesterone
Testosterone
4.
When alum is used in the treatment of water, it helps
clay particles to coagulate
the growth of algae
heavy metals to precipitate
remove odour in water
5.
Cassava mosaic is spread by an insect called..
mealy bug
moth
whitefly
6.
A test for the presence of lipids in food substances requires...
Sudan III
Benedict's solution
Fehling's solution
Million's reagent
7.
The amount of light entering the human eye is regulated by the...
cornea
lens
pupil
retina
8.
Galvanized roofing sheets are iron coated with a thin layer of...
gold
plastic
tin
zinc
9.
Liming as a method of maintaining soil fertility aims at...
removing excess water from the soil
reducing soil aggregation
reducing soil acidity
reducing soil alkalinity
10.
Which of the following mammals has a diastema?
dog
goat
pig
rat
11.
The functional group of methanoic acid is...
>
-COOH
12.
The mode of heat transfer in which the particles carrying the heat move from the hot region to the cold region is known as...
conduction
convection
conversion
radiation
13.
Which of the following physical properties are associated with non-metals?
I. Good conductor of electricity
II. Low tensile strength
III. High melting point
IV. Poor conductor of heat
I and II only
II and IV only
I,II and III only
II,III and IV only
14.
The feature of coconut which adapts it for water disposal is its...
succulent nature
high perishability
fibrous mesocarp
soft mesocarp
15.
Spacing of plants on the farm varies mainly according to the...
type of soil
the planting season
fertility of the soil
the variety of the crop
16.
Formation of rust could be facilitated by ...
I. the presence of moisture in the atmosphere
II. the presence of acids in the atmosphere
III. coating the surface of metals with oil
Which of the statements above is/are correct?
I only
II only
I and II only
II and III only
17.
An electrical bulb is rated 20W. This means that when it is in use, the...
energy required to light it if outages is 20J
amount of energy consumed daily is 20J
word done in a day is 20J
amount of energy consumed every hour is 20J
18.
The diagram below illustrates a uniform metre rule. Which point represents its centre of gravity?
Q
R
S
T
19.
Which of the following substances is hazardous?
CO
CO2
Ne
He
20.
Which of the following statements about the dentine of tooth is/are correct?
I. It is beneath the enamel
II. It occupies the largest part of the tooth
III. It contains the crown of the tooth
I only
I and II only
II and III only
I, II and III
21.
The final stage of the purification of water for town supply is
addition of chlorine
flocculation
aeration
sedimentation