UNN Biology 2009/2010 Past Questions

The bryophytes are important parts of certain food chains because they

In many plants, the growing tips elongate faster and are said to be

Movement of water through a semi permeable membrane because the membrane moves or expands thus overcoming the resistance of hydrostatic pressure is referred to as

When the chromosomes condense and the nucleoli and nuclear membrane disappear, the cell is said to be undergoing

While the metabolizing enzymes are inducible, other enzymes are said to be

In which of the following organisms does a single cell perform all the functions of movement, nutrition, growth, excretion, and photosynthesis

An important abiotic factor that affects plants and animals in their habitats is

Discontinuous variations is observed in a man using the following

A sex-linked defect that allows small cuts to bleed severely is known as

In the adult mammalian blood, the cells which lack nuclei are the

In which of the following groups of plant fruits is the pericarp inseparable from the seed coat?

The part of the brain that controls body posture in mammals is

The ability of an organism to survive in an environment successfully is known as

One of the adaptations of life on a tree by a monkey is its possession of digits which are