UNN Biology 2007/2008 Past Questions

Increasing complexity due to multicellularity first appeared in this animal group

In the angiosperms, the sieve tube members are living non-nucleated, but they are usually accompanied by

Abscisic acid is a chemical that prepares plants for

The formula below represents
C₆H₁₂O₆ ---> 2C₂H₆O + 2CO₂ + ATP

In any population, any specific allele will mutate at one time or another, usually to a non functional or harmful form. The proportion of gametes carrying new mutant alleles of a given locus is called

In mosses, the sporophyte generation is highly prominent producing spores in a cone-like

When Sudan III solution is boiled with a solution of food substances, it gives a colour black precipitate showing the presence of

Plants adapted to life in salty marsh are known as

A circulatory system that does not allow mixing of oxygenated blood in the mammalian heart is referred to as

In a pyramid of numbers, it is common to have ...... with the smallest of individuals.

In blood transfusion, agglutination occurs when

Genetic counselling is important when marriage is planned between a

One of these animal groups contain acoelomate members

The enzyme invertase will hydrolyse sucrose to give

A flower that has both stamen and pistil is said to be