UNN Biology 2015/2016 DAY 2 Past Questions

The spores of ferns are dispersed by

Which of the following is formed immediately after the first product of photosynthesis?

A dry fruit formed from two or more carpels containing several seeds is a

Carbon monoxide poison tissues by

The structures that prevent food particles from escaping through the fish gills are called gill

An old man is likely to be long-sighted because age affects the

Normally any character shown by an organism is due to the effects of

Which of the following lacks chaetae, tentacle and antennae?

Which of the following is a feature of the population pyramid of a developing country?

In an experiment to investigate the effect of nitrogen on the growth of plants, the substrate should be a medium of

An onion is a bulb because it

What do bacteria in root nodules derive from host plant?

Fruits which develop without fertilization of the ovule are

A severe deficiency of thyroxin results in

A red-coloured flower when crossed with a white-coloured one produced pink flowers. This is an example of