IB myp 4-5 Biology – Practice Questions- All Topics
Topic :Interaction with environment-Receptors and Hormones
Topic :Interaction with environment– Weightage : 21 %
All Questions for Topic : Tropism,Senses,Nervous System,Receptors and hormones
The skeleton consists of bones, joints and cartilage. A diagram of the elbow joint is shown below:
Question (1 mark)
The elbow is an example of a hinge joint. State the name of one other hinge joint in the human body.
▶️Answer/Explanation
Ans:
Knee
Question (1 mark)
What below is name of muscle \(\mathrm{X}\) in above diaggram.\{1 mark\}
- Bicep
- Deltoid
- Humerus
- Quadricep
▶️Answer/Explanation
Ans:
Bicep
Question (2 mark)
The bones provide surfaces to which muscles attach. Bones act as levers, and muscles can only do work by pulling on the bones to which they are attached.
Outline how the two muscles, \(X\) and \(Y\), in the diagram above work together to move the arm. (2 marks)
▶️Answer/Explanation
Ans:
Accept any two from the list, [max 2]
• one muscle contracts while the other extends
• X (Bicep) contracts or shortens and to flex or bend the arm
• Y (Tricep) contracts or shortens and to extend or straighten the arm
Question:
What hormone is secreted by the pancreas after a meal with a high sugar content?
▶️Answer/Explanation
Ans: Insulin.