IB myp 4-5 Biology – Practice Questions- All Topics
Topic :Metabolism-Homestasis
Topic :Metabolism– Weightage : 21 %
All Questions for Topic : Nutrition,Digestion,Biochemistry and enzymes,Movement and transport,Diffusion,Osmosis,Gas exchange,Circulation,Transpiration and Translocation,Homeostasis
Question:
a) Calculate the difference in body mass between the groups raised in high and low water.
▶️Answer/Explanation
Ans: 1.9 – 1.2 = 0.7 grams
b) Explain the difference in body mass.
▶️Answer/Explanation
Ans: Grow to a larger size before metamorphosis in high water.
Question:
Is water added to the plasma or removed from it by each of these processes:
a) sweating,
▶️Answer/Explanation
Ans: Water removed.
b) exhaling,
▶️Answer/Explanation
Ans: Removed.
c) cell respiration,
▶️Answer/Explanation
Ans: Added.
d) secretion of digestive juices such as saliva,
▶️Answer/Explanation
Ans: Removed.
e) absorption of water from food in the intestines,
▶️Answer/Explanation
Ans: Added.
f) urination?
▶️Answer/Explanation
Ans: Removed.