Class 11 Biology Quiz

Which of the following is the main function of the respiratory system?

Taking in oxygen and releasing carbon dioxide (correct)

Producing energy

Removing waste products from the body

Regulating body temperature

Which of the following is the primary function of the circulatory system?

Filtering waste products

Transporting oxygen to the cells (correct)

Producing hormones

Digesting food

Which of the following is an example of an organ system in the human body?

Skeletal system (correct)

Stomach

Liver

Heart

What is the process of photosynthesis?

Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose (sugar) and oxygen. Signup and view all the answers

What is the function of the nervous system?

The function of the nervous system is to transmit signals between different parts of the body, allowing for coordination and response to stimuli. Signup and view all the answers