IB MYP Biology : Metabolism – circulation, transpiration and translocation Practice Question

IB myp 4-5 Biology – Practice Questions- All Topics

Topic :Metabolism-Circulation,Transportation and Translocation

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:

Formulate a hypothesis regarding which of these extra structures are needed in the cells below so they can perform their functions:

a) Cells forming the lining of the small intestine, where digested foods are absorbed.

▶️Answer/Explanation

Ans: Microvilli, vesicles, pseudopodia.

b) White blood cells that fight disease by moving into infected tissue and engulfing the organisms causing the infection.

▶️Answer/Explanation

Ans: Lysosomes, actin and myosin filaments, pseudopodia.

c) Neurons that transmit nerve impulses and send signals across synapses from one neuron to another.

▶️Answer/Explanation

Ans: Vesicles.

d) Cells that develop into hair or nail.

▶️Answer/Explanation

Ans: Keratin fibres, microtubules.

Question:

What are the units of wind speed?

▶️Answer/Explanation

Ans: Meters per second (m s1).

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