Gestation period is defined as the time
Of fusion of the sperm and the egg
Between conception and parturition
Of release of ovum from the ovary
Of the birth of the young animal
Correct answer is B
No explanation has been provided for this answer.
Dominance
Mutation
Recessiveness
Homozygosity
Correct answer is C
No explanation has been provided for this answer.
The correct sequence in the processes of crop improvement is
Introduction-slection-breeding
Breeding-selection-intruduction
Breeding-introduction-selection
Introduction-breeding-selection
Correct answer is A
No explanation has been provided for this answer.
The characteristic symptoms of mosaic disease of crops is usually observed on
Roots
Leaves
Stems
Fruits
Correct answer is B
No explanation has been provided for this answer.
Which of the following weeds is dispersed by wind?
Pig weed (boerhavia diffusa)
Goat weed (ageratum conizoides)
Hausa throns (acanthospermum hispidum)
Tridax (tridax procumbens)
Correct answer is D
No explanation has been provided for this answer.