Biology

Which of the following is the most advanced evolutionary development in plants?

A. possession of unicellular structures B. development of flowers C. dispersal of spores D. development of secondary thickening Correct Answer:…

5 years ago

The abilty of a chameleon to change its colour is an adaptive future for?

A. attraction B. defence C. display D. attack Correct Answer: Option B - defence

5 years ago

A major adaptive feature of endoparasites is the?

A. loss of the organ of movement B. presence of claws C. loss of the central nervous system D. presence…

5 years ago

Genetically modified food products have not become universally accepted because?

A. they are not tasty as others produced by conventional means B. they are usually costlier than others produced by…

5 years ago

The Rhesus factor of blood was first identified in a category of?

A. monkeys B. human females C. human males D. chimpanzees Correct Answer: Option A - monkeys

5 years ago

The easiest way to establish the level of pollution in a local stream is to measure the level of?

A. oxygen B. carbon (IV) oxide C. ammonia D. alkalinity Correct Answer: Option A - oxygen

5 years ago

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted?

A. schistosomiasis B. onchocerciasis C. poliomyelitis D. salmonellosis Correct Answer: Option A - schistosomiasis

5 years ago

An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is?

A. pH B. oxygen C. light D. temperature Correct Answer: Option C - light

5 years ago

Stomata of some plants are sunken and protected by hairs. These are features of?

A. mesophytes B. epiphytes C. hydrophytes D. xerophytes Correct Answer: Option D - xerophytes

5 years ago

The main ecological problem facing intertidal organisms is?

A. desiccation B. floatation C. salinity D. humidity Correct Answer: Option A - desiccation

5 years ago