NECO SSCE - Biology - 2009

What will be the phenotypic ratio in the f1 generation, if a dominant red flowered plant (RR) is crossed with recessive white flowered plant (rr)?

Over-grazing encourages soil

Which of the following is bryophyte?

The cortex of a herbaceous stem is made up of

Which of these vertebrae is of the same number in man and rabbit?

In mammals, tissue respiration takes place in the

Digested food is carried from small intestine to the liver by the

Which of the following functions of the body are nephrons associated with?

Which of these is NOT a pollutant?

These animals exhibit camouflage EXCEPT

Which of the following processes converts nitrates in the soil to atmospheric nitrogen?

Which of these is a simple dehiscent fruit?

The male reproductive part of a flower is made up of

Cellular respiration occurs in the

These processes are involved in asexual reproduction EXCEPT

The following plants have self-pollinated flowers EXCEPT?

The part of the male reproductive organ where sperm cells are produced is called

Which of the following is an abiotic factor in an ecosystem?

Plants use Nitrogen in the form of

Which of these influences growth movement in plants?

The topmost layer of a typical soil profile is

The products of respiration in higher plants are

Which of the following body characteristics distinguishes Ascaris from Earthworms?

In a moss plant, spores are produced in the

The basic unit of classification of living things is the

The structure in cell concerned with the synthesis of proteins is the

Root hairs are extensions of the

Which of the following enzymes act on carbohydrates?

These groups of bacteria are harmless EXCEPT

Excess amino acids are converted into urea by the

The type of placentation found in tomato fruit is called

Which of these organisms reproduces by budding?

The following processes release carbondioxide into the atmosphere EXCEPT

Mycelium is a feature of

Which of the following is a characteristic of mollusc?

Villi are finger-like structures found in the

Which of the following enables mammals to maintain balance?

Which of these is NOT part of a seed?

Exoskeleton is a characteristic feature of

Fern plants carry out Photosynthesis in the