Which of the following is not promoted by high wind speed?
Rill erosion
Weathering of parent rock
Breeding of plant
Opening of stomata
Correct answer is C
No explanation has been provided for this answer.
Which of the following solutions is suitable for removing chlorophyll in a green leaf?
Million’s reagent
Methylated spirit
Benedict solution
Fehling’s solution
Correct answer is B
No explanation has been provided for this answer.
A-person who fails to detect the bitter taste of a substance swallowed, is more likely to have
dead taste buds on the tongue
avoided the substance from contacting the back of his/her tongue
fewer taste buds on the tongue
swallowed the substance without any water
Correct answer is B
No explanation has been provided for this answer.
The mineral needed for the formation of haemoglobin is
magnesium
iron
phosphorus
calcium
Correct answer is B
No explanation has been provided for this answer.
Loam is the best type of soil for crop production because
it has a high percentage of clay which prevents leaching
it has high humus content
it is porous and has good water retention capacity
gravels which obstruct implements are absent from it
Correct answer is B
No explanation has been provided for this answer.