Biology JAMB, WAEC, NECO AND NABTEB Official Past Questions

A density-dependent factor that regulates the population size of organism is

The most important hormone that induces the ripening of fruit is

The response of plants to external stimuli in a non-directional manner is known as

An example of a caryopsis is

Homologous pairs of chromosome separate during

The point marked I is referred to as

The structure can be found in the

Metabolic production of urea is carried out in the

In mammalian males, the excretory and reproductive systems share the

The best method of propagating sugarcane is by

The part of the mammalian digestive system where absorption of nutrient takes place is the

Organisms I, II, III and IV have surface/volume ratios of 1:2, 1:3, 1:4 and 1:5 respectively. The organism that is likely to have the most complex transport system is

In the experiment, the layer of oil serves to prevent water loss

The experiment is used to demonstrate that

The dark reaction of photosynthesis involves the

In the experimental set-up, the rubber sheet represents the organ called

The aim of the experiment is to demonstrate

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the

The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

The cell component that is present in a prokaryotic cell is the

An insect whose economic importance is both harmful and beneficial is the