List three magnetic elements that determine the earth’s magnetic field at a point.

The sum of the ages of Musa and Lawal is 28 years. After sharing a certain sum of money in the ratio of their ages, Musa gets N600 and Lawal N800. How old is Lawal?

• A. 14 years
• B. 20 years
• C. 12 years
• D. 16 years

Loamy soils are better for agriculture than other soil types because they

• A. are black in colour
• B. retain air,moisture and humus
• C. are rich in mineral nutrients
• D. are rich in humus only

One of the effects of rural-urban migration on the source region it?

• A. rural depopulation
• B. urban depopulation
• C. rural congestion
• D. urban congestion

Consider the following reaction equation: Br2+2KI→2KBr+I2. Bromine is acting as

• A. an oxidizing agent
• B. a reducing agent
• C. an acid
• D. a base

The rock type is not likely to produce rich agricultural soil after weathering is?

• A. volcanic rock
• B. granite rock
• C. graphite
• D. limestone

A chemical reaction which the hydration energy is greater than the lattice energy is referred to as

• A) a spontaneous reaction
• B) an endothermic reaction
• C) an exothermic reaction
• D) a reversible reaction

The deficiency symptom peculiar to vitamin B in livestock is

• A. night blindness
• B. sterility
• C. loss of appetite and weight
• D. delay in blood clotting

Mechanical energy can be either

• A. kinetic or electric
• B. white surface
• C. black surface
• D. electric or heat

From the words or group of words lettered A to D, choose the word or group of words that best completes each of the following sentences: Let us keep..............the plans we made earlier.

• A. away
• B. to
• C. off
• D. on