Download Multiple Choice Questions

CELL ORGANELLES
Multiple Choice Questions
1. Cells that do not have a distinct
nucleus are called:
A. eukaryotic
B. prokaryotic
C. multicellular
2. Cells that have internal membranes
surrounding specialised organelles
are:
A. eukaryotic
B. prokaryotic
C. unicellular
3. The controlling organelle within a
cell is the:
A. nucleolus
B. gene
C. nucleus
4. The nucleolus is made of large
nucleic acids called:
A. DNA
B. RNA
C. REM
5. The jellylike fluid that contains
nutrients in a cell is the:
A. cytoplasm
B. vacuole
C. nucleus
6. Small organelles that are
responsible for protein synthesis
are the:
A. ribosomes
B. RNA
C. genes
7. The system of membranes that help
transport chemicals such as
proteins through the cell is the:
A. golgi body
B. ribosome
C. endoplasmic reticulum
8. The organelles that are responsible
for collecting, sorting, processing
and distributing proteins and
carbohydrates are the:
A. golgi bodies
B. ribosomes
C. plastids
9. The organelle found in both animal
and plant cells that is clear but
contains dissolved nutrients is the:
A. vacuole
B. cytoplasm
C. centriole
10. The ‘powerhouse’ of the cell that
generates the cell’s energy-rich
ATP molecules is the:
A. mitochondrion
B. chloroplast
C. nucleus
True-False Questions
11. The mitochondrion is responsible
for photosynthesis.
12. Chloroplasts contain green
chlorophyll and are responsible for
photosynthesis.
13. All cells have a cell wall but only
plant cells have a cell membrane.
14. Metabolism is all the chemical
reactions occurring in an organism.
15. An electron microscope is used to
view cell organelles.
Short Answer Questions
16. What are the main differences
between animal and plant cells?
17. What organic macromolecules are
found in cytoplasm?
18. Reorder the following from
smallest to largest – cell, organ,
organism, tissue, atom, molecule,
system, organelle
19. If prokaryotic cells such as bacteria
do not have organelles, how do
they function?
20. How has technology advanced cell
knowledge?
TRANSPORT INTO AND
OUT OF CELLS
Multiple Choice Questions
16. Water-loving molecules such as
glucose are:
A. hydrophobic
B. hydrophilic
C. insoluble in water
17. The model of a cell membrane
containing a bilayer of
phospholipid molecules with
interspersed protein molecules is
the:
A. fluid mosaic model
B. induced fit model
C. lock and key model
18. The cell membrane is differentially
permeable. This means that:
A. all molecules pass through the
membrane at the same rate
B. some molecules may pass
through but not others
C. only glucose passes through
easily
19. The transport of mineral ions from
soil to plant root requires energyrich ATP. This is an example of:
A. passive transport
B. osmosis
C. active transport
20. Diffusion is the movement of
substances from:
A. high to low concentrations
B. low to high concentrations
C. equal areas
21. The diffusion of water is called:
A. hydrophobic
B. osmosis
C. concentration gradient
22. When a microscopic protozoan
takes in a particle of food into
itself, the process used is:
A. endocytosis
B. exocytosis
C. osmosis
23. When milk is secreted by
mammary glands, the process used
is:
A. endocytosis
B. osmosis
C. exocytosis
24. White blood cells engulfing foreign
bacteria is an example of:
A. phagocytosis
B. exocytosis
C. diffusion
25. The difference between the
membrane surrounding a cell and
an organelle is that the cell
membrane is:
A. more porous
B. thicker
C. thinner
True-False Questions
26. In saltwater, the solute is the water.
27. All concentrations within a cell are
the same all the time.
28. Diffusion of substances occurs
from low to high concentrations.
29. Osmosis is a form of active
transport.
30. The solvent in a cell is usually
water.
Short Answer Questions
21. Of what is the cytoplasm made?
22. What is the difference between
passive and active transport?
23. What is the difference between
diffusion and osmosis?
24. Describe the fluid mosaic model of
a cell membrane.
25. How do amino acids and glucose
move across the cell membrane?
CELL REACTIONS
Multiple Choice Questions
31. The energy-rich molecule
produced in respiration is:
A. ATP
B. ADP
C. DNA
32. Biological catalysts are called:
A. enzymes
B. mitochondria
C. golgi bodies
33. The energy required to start a
chemical reaction is the:
A. catalyst
B. activation energy
C. induced fit
34. An overall reaction such as
photosynthesis where an input of
energy is required for the reaction
to occur is an:
A. exergonic reaction
B. activated reaction
C. endergonic reaction
35. The reactant molecule to be reacted
is called the:
A. catalyst
B. substrate
C. active site
36. The model explaining how an
enzyme works is the:
A. lock and key model
B. induced fit model
C. both of the above
37. The organelle responsible for
cellular respiration is the:
A. mitochondrion
B. plastid
C. nucleus
38. Aerobic respiration requires:
A. oxygen
B. light
C. lactic acid
9. The organelle responsible for
photosynthesis is the:
A. chloroplast
B. mitochondrion
C. gene
10. The light independent reaction of
photosynthesis which occurs
second is the:
A. glycolysis
B. light reaction
C. dark reaction
True-False Questions
11. Fermentation is one form of
anaerobic respiration.
12. Human muscle cells can respire
aerobically and anaerobically at
different times.
13. The wavelength most absorbed by
in the light reaction of
photosynthesis is green.
14. The dark reaction of
photosynthesis must occur in total
darkness.
15. Glycolysis occurs in both aerobic
and anaerobic respiration.
Short Answer Questions
26. What factors affect enzyme action?
27. From what is ATP formed?
28. Of what are enzymes made?
29. How do vitamins work?
30. What factors affect the rate of
photosynthesis?