Bioscience Concepts MCQ 2

Which is a function of the nervous system?

• Slow regulation of growth

• Rapid reflex actions

• Production of insulin

• Absorption of nutrients

What is the fight-or-flight response an example of?

• Only nervous system function

• Only endocrine system function

• Coordinated nervous and endocrine response

• Digestive response

How is blood glucose regulated?

• By cell membrane

• By mitochondria

• By endocrine system (insulin and glucagon)

• By cytoplasm

Which of the following happens when you touch something hot?

• Only the brain reacts

• Reflex action pulls hand away

• Endocrine system releases insulin

• Mitochondria produce more ATP

In the flowchart: Stimulus → Receptor → Coordinator → Effector → Response, what is the 'Effector'?

• The organ detecting the change

• The organ producing the response

• The organ sending the signal

• The external environment

Which part of the cell contains genetic material?

• Cytoplasm

• Cell wall

• Nucleus

• Mitochondria

Which organelle releases energy from glucose?

• Nucleus

• Chloroplast

• Mitochondria

• Ribosome

What is the main function of the mitochondria?

• Energy production

• Protein synthesis

• Structural support

• Genetic control

Which system acts more slowly but has longer-lasting effects?

• Nervous system

• Endocrine system

• Digestive system

• Circulatory system

Which of the following is NOT found in animal cells?

• Nucleus

• Mitochondria

• Cell wall

• Cell membrane