Biology

The process of anearobic respiration of yeast in sugar solution is known as?

A. oxidation B. fermentation C. tissue respiration D. alcohol production E. decomposition Correct Answer: Option B - fermentation

6 years ago

The mechanism of gaseous exchange in living organisms is essentially by?

A. osmosis B. inhalation C. diffusion D. exhalation E. breathing Correct Answer: Option C - diffusion

6 years ago

The organelle which eliminate water from the body of protozoa is?

A. plasma membrane B. contractile vacuole C. cell wall D. protoplasm E. nucleus Correct Answer: Option B - contractile vacuole

6 years ago

The cell is a functional unit of living organisms because?

A. multicellular organisms are made up of cells B. all cells in a multicellular organism function as a single cell…

6 years ago

The property of clay soil that prevents it from supporting thick vegetation is its?

A. possession of chemically weathered granite rocks B. inability to retain much water C. tendency of becoming waterlogged D. porosity…

6 years ago

Lamarck’s evolution theory could be summarised by the statement that?

A. only the fittest can survive in a challenging environment B. species that are unable to adapt become extinct C.…

6 years ago

The swarming, especially at the beginning of the rainy season, is a courtship behaviour shown by?

A. migratory birds B. pigeons C. crickets D. winged termites E. bees Correct Answer: Option B - pigeons

6 years ago

The division of labour in social insects is an example of?

A. structural adaptation B. physiological adaptation C. commensalism D. behavioural adaptation E. hormonal influence Correct Answer: Option D - behavioural…

6 years ago

Which of the following does not illustrate adaptation to the environment?

A. Colour changes by chameleon B. Streamline shape of fishes C. Light bones in birds D. Development of big muscles…

6 years ago

Which of the following is a function of the chromosome?

A. Transmission of hereditary traits B. Protein synthesis C. Excretion D. Energy production E. Manufacture of enzyme Correct Answer: Option…

6 years ago