0%

Form & Function

25 MCQ from 2025 Question Bank Form & Function (all topics)

DP IB SL Biology Quiz

1 / 25

1. What is the name of the organelle on the surface of the rough endoplasmic reticulum that is needed to synthesise polypeptide chains?

2 / 25

2. Which of the following is/are a feature of phloem?

I. Sieve plates
II. Plasmodesmata
III. High lignin content

3 / 25

3. The diagram below shows a potometer which is used to measure water uptake in plants.

potometerA plant cutting was placed in the potometer as shown above. What changes would be observed after a few hours?

4 / 25

4. What is the product of this reaction?

product of this reaction

5 / 25

5. Which technique was first developed to separate cellular components and isolate organelles?

6 / 25

6. What best defines a habitat?

7 / 25

7. Which statement best describes stem cells?

8 / 25

8. Which of the following is/are true for holozoic nutrition?

  •
    I. Demonstrated by saprotrophs
    II. Involves complete or partial ingestion
    III. Food is digested internally

9 / 25

9. What bond is formed between two glucose molecules to form maltose?

10 / 25

10. Which molecules form a triglyceride?

11 / 25

11. Which row in the table below correctly identifies the the constituents of the named macromolecules?

 

Starch Protein Triglycerides
A. Beta glucose Peptides Fatty acids and glycerol
B. Beta glucose Amino acids Fatty acids and glycogen
C. Alpha glucose Peptides Fatty acids and glycogen
D. Alpha glucose Amino acids Fatty acids and glycerol

12 / 25

12. A patient receives a bone marrow transplant from a 36 year old. One of the functions of these cells is to produce red and white blood cells. What type of stem cells has the patient received?

13 / 25

13. Rain forests are known to have tall trees and a large biomass with high productivity, despite infertile soils. The growing conditions have been known to nurture the presence of many interdependent organisms. These species also interact with the physical environment they inhabit.

Which of the following is described here?

14 / 25

14. Which of the following is only able to trigger a response in a cell by binding to a receptor in the plasma membrane?

15 / 25

15. What helps prevent the backflow of blood in a vein?

16 / 25

16. Which of the structures below can transport water molecules across the cell membrane?

17 / 25

17. Which of the following processes occur in prokaryotic cells but not eukaryotic cells?

18 / 25

18. Crabs, earthworms, mites and snails feed on the remains of dead plants and animals. What type of organisms are these?

19 / 25

19. What is the substrate for the enzyme lactase?

20 / 25

20. Which of the following would not be considered an abiotic factor?

21 / 25

21. What are incisors used for?

22 / 25

22. Which of the following substances typically moves either in or out of a leaf's inner air space via stomata?

  • I.  Water
  • II.  Oxygen
  • III.  Mineral ions

23 / 25

23. A student set up an aquatic mesocosm using a commercially available seawater-filled glass orb, which included algae, shrimp, some corals and gravel. The student placed it near a window to provide a light source. Which of the following statements are true?

  •
    I. The algae are autotrophs, produce carbon compounds and provide oxygen for organisms in the mesocosm
    II. Saprotrophs present in the water and gravel help to recycle nutrients found in dead organisms
    III. Herbivores usually present in a natural ecosystem can be excluded in the mesocosm

24 / 25

24. Which statement(s) about starch and glycogen is/are correct?

  •
    I. Starch and glycogen are branched molecules.
    II. Starch is made up β− glucose molecules but glycogen is made up of α− glucose molecules.
    III. Starch and glycogen are energy storing polysaccharides.

25 / 25

25. Which of the following does not cause coronary heart disease?

Your score is

0%