OAU Biology 2010/2011 Past Questions

When it is cold the blood vessels of the skin

Joint skeleton is absent in the

The plantain reproduces asexually by

Mucors and spirogyra can be put in the same group because they

Which of these is false about the piliferous layer of a root? It

Anaerobic respiration in yeast produce

A key similarity between nervous and hormonal system is that

The bones of the neck on which the skull rest is

One of these is not found in urine

The functions of ossicles (malleus, incus and stapes) in the mammalian ear is to

A true climax community

The organ through which nourishment and oxygen diffuse into an embryo is called

A tapeworm fasten itself to the intestine of its host with

Which one of these set of factors is completely abiotic?

In which of these are flagella and cilia found

The major functions of swim-bladder in fish

The part of the central nervous system concerned with answering an examination question is the

A child with blood group genotype different from those of both parents and with a mother of genotype OO, can only have a father of genotype.

In a predator food chain involving secondary and tertiary consumers, the organisms become progressively

The fruit formed from a single flower having several carpels is called

The three important organs that are situated close to the stomach are

Wind pollinated flowers usually have

The ridicule of a bean seedling grows most rapidly in the region

Which one of these is an adaptation to a xerophytic environment?

An organism with a pair of indistinguishable genes is a