Biology

Which of the following performs the same function as the contractile vacuole of a unicellular organism?

A. Kidney B. Alimentary canal C. Liver D. Pancreas E. Bladder Correct Answer: Option A - Kidney

6 years ago

The morphological, physiological and behavioural characteristics which enable an organism to survive in its environment is called?

A. heredity B. ecology C. competition D. adaptation E. variation Correct Answer: Option D - adaptation

6 years ago

Which of the following can cause desert encroachment?

A. Afforestation B. Irrigation C. Planting of trees D. Establishment of game reserve E. Overgrazing Correct Answer: Option E -…

6 years ago

The branch of science which deals with resemblances, origin and expression of biological variations is called?

A. embryology B. ecology C. entomology D. genetics E. taxonomy Correct Answer: Option D - genetics

6 years ago

Which of the following blood group(s) is/are the universal donor(s)?

A. O B. A C. B D. AB E. AB and O Correct Answer: Option A - O

6 years ago

Which of the following is not required for primary production to occur in plants?

A. Chlorophyll B. Sugar C. Water D. Carbon dioxide E. Solar energy Correct Answer: Option B - Sugar

6 years ago

Which of the following measures does not ensure conservation?

A. Establishing forest and game reserves B. Encouraging people to plant trees C. Founding societies that promote conservation D. Enacting…

6 years ago

All the following can illustrate the dynamic nature of the ecosystem except?

A. nitrogen cycle B. carbon cycle C. water cycle D. nutrient cycle E. locomotion in organisms Correct Answer: Option E…

6 years ago

Which of the following organism exists as a filament?

A. Euglena B. Amoeba C. Volvox D. paramecium E. Spirogyra Correct Answer: Option E - Spirogyra

6 years ago

In which of the following is a cellulose cell wall present?

A. Amoeba B. Mammalian white blood corpuscle C. spirogyra D. paramecium E. parasitic worms Correct Answer: Option C - spirogyra

6 years ago