Quiz September 3, 2026

Consider the following statements:

1. Plankton are living organisms that are able to swim and move independently of currents at various depths of seas and oceans.
2. Nekton are the diverse collection of organisms found in water that are unable to propel themselves against a current.

Which of the above is/are correct?

Biomass sources for energy include which of the following?

1. Wood and wood processing wastes
2. Agricultural crops and waste materials
3. Biogenic materials in municipal solid waste
4. Animal manure and human sewage

Select the correct code:

Which of the following is/are the evidence of uplift?

1. Raised beaches
2. Elevated wave-cut terraces
3. Sea caves 
4. Fossiliferous beds above sea level

Select the correct code:  

These are circular or oval cones made up of small fragments of lava from a single vent that have been blown up. They result from eruptions of mostly small pieces of scoria and pyroclastic that build up around the vent. They only once. They may form as flank vents on larger volcanoes, or occur on their own.

Above statements with reference to which of the following?

These are waterfalls on very large rivers. The term is usually applied to that section of a rapidly flowing river where the running water falls suddenly in a sheer drop. 

Above statements with reference to which of the following?