Which of the following is not a morphological variation?
Nose shape
Skin colour
Eye colour
Ear lobe
Tongue rolling
Correct answer is E
No explanation has been provided for this answer.
One of the uses of variation is in
determining the size and weight of an individual
determining paternity
Wildlife conservation
controlling disease vectors
sex determination
Correct answer is B
No explanation has been provided for this answer.
Which of the following farm practices can cause loss of soil fertility?
Mulching
Compost application
Using fertilizers
Terracing
intensive cropping
Correct answer is E
No explanation has been provided for this answer.
carrier
culturing agent
preservative
catalyst
sweetening agent
Correct answer is D
No explanation has been provided for this answer.
crop rotation
continuous cropping
monocropping
bush fallowing
mixed cropping
Correct answer is D
No explanation has been provided for this answer.