The function of the red head in male Agama lizards is to

A. conceal and camouflage the animal from predators

B. scare other males from the territory

C. attract female lizards for mating purposes

D. warm predators of the distastefulness of the animal

Seed plants are divided into

A. trachephytes and ferns

B. angiosperms and gymonsperms

C. monocotyledons and dicotyledons

D. thallophytes and bryophytes

In which of the following groups of vertebrates is parental care mostly exhibited ?

A. Reptilia

B. Amphibia

C. Aves

D. Mammalia

The adaptive importance of nuptial flight from termite colonies is to

A. disperse the reproductives in order to establish new colonies

B. provide abundant food for birds and other animals during the early rains

C. ensure cross-breeding between members of one colony and another

D. expel the reproductives so as to provide enogh food for other members

An example of an endospermous seed is

A. maize gain

B. cashew nut

C. cotton seed

D. been seed

Which of the following can cause shrinkage of living cells?

A. Hypotonic solution

B. Isotonic solution

C. Deionized water

D. Hypertonic solution

Which of the following is true of leucocytes?

A. they are respiratory pigments

B. they are most numerous and ramify all cells

C. they are large and nucleated

D. they are involved in blood clotting

The conversion of a nutrient into a molecule in the body of a consumer is referred to as

A. digestion

B. assimilation

C. absorption

D. inhibition

The ability of living organism to detect and respond to changes in the environment is referred to as

A. locomotion

B. irritability

C. growth

D. taxis

In mammals, the exchange of nutrients and metabolic products occurs in the

A. lungs

B. oesophagus

C. trachea

D. lymph