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Which of the following is the effect of using artificial pollination in plant breeding?
Which of the following is a nitrifying bacterium?
The study of an individual organism or a single species of organism and its environment is
Which of the following pairs of scientists discovered the Rhesus factor in human blood?
Which of the following substances has the highest amount of energy in joules per unit weight?
In natural selection, Darwin proposed that evolution occurred because of the following conditions except
Competition among individuals of a population increases the
Trees in Savanna habitats usually have thick bark which mainly.
Which of the following substances pass through the root cell membrane by osmosis?
Rabbits cannot survive in an aquatic habitat because they have
Which of the following type of soil has the highest water retaining capacity?
Which of the following is an example of discontinuous variation?
In plants, respiration occurs in
The specific portion of a habitat which is occupied by a particular species is referred to as
The sum total of adaptive changes from pre-existing form that have taken place over a long time resulting in diversity of forms, structures and functions among organism is referred to as
Which of the following are components of glomerular filtrate?
Which of the following structures controls the activities of the living cell?
Reading the verdict of a case by a magistrate is an example of
The number of times an organism occurs within a given area of a habitat is referred to as
A population is best described as