Environmental systems semester 1 exams-12/2024

Front

What process adds oxygen to the atmosphere?

Back

Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy, releasing oxygen as a byproduct.

Front

What role does a frog play in the food chain?

Back

A frog is a secondary consumer (carnivore) as it primarily eats primary consumers like insects.

Front

Which organisms require nitrogen to survive?

Back

All living things, including plants, animals, and bacteria, need nitrogen for growth and development.

Front

How does excess carbon dioxide in the atmosphere affect climate change?

Back

Excess carbon dioxide traps heat in the atmosphere, leading to global warming.

Front

What is an omnivore?

Back

An omnivore is an organism that eats both producers (plants) and consumers (animals).

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the role of producers in an ecosystem?

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

Front

What is a food web?

Back

A food web is a complex network of feeding relationships among various organisms in an ecosystem.

Front

What is the difference between a primary consumer and a secondary consumer?

Back

A primary consumer eats producers (herbivores), while a secondary consumer eats primary consumers (carnivores).

Front

What is the significance of nitrogen in ecosystems?

Back

Nitrogen is essential for the synthesis of amino acids, proteins, and nucleic acids, making it vital for all living organisms.