Biology Chapter 3 Cellular Organisation
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- 1.What is the permeability of cell membrane?
- A.
Differentially permeable
- B.
Fully permeable
- C.
Not permeable
- D.
Directly permeable
- 2.Which of the followings contains the largest amount of mitochondria?
- A.
Red blood cells
- B.
Bacteria
- C.
Fat cells
- D.
Sperms
- 3.Where is lipid produced in a cell?
- A.
Rough endoplasmic reticulum
- B.
Smooth endoplasmic reticulum
- C.
Mitochondrion
- D.
Nucleolus
- 4.Which of the following statements is correct?
- A.
Plant cells have vacuole while animal cells do not.
- B.
All plant cells have chloroplasts while animal cells do not.
- C.
Plant cells have cell wall while animal cells do not.
- D.
Plant cells do not have mitochondria.
- 5.Which of the followings is not an organelle?
- A.
Nucleus
- B.
Endoplasmic reticulum
- C.
Vacuole
- D.
Cell wall
- 6.Which of the followings do not have a double membrane?
- A.
Mitochondrion
- B.
Vacuole
- C.
Nucleus
- D.
Chloroplast
- 7.When we put a layer of onion epidermis under the light microscope, which of the followings can be seen?
- A.
Chloroplast
- B.
Mitochondria
- C.
Cell wall
- D.
Endoplasmic reticulum
- 8.Which of the followings is not a correct description?
- A.
Light microscope uses lens for focusing while electron microscope uses magnetic field for focusing.
- B.
The image under light microscope is with colours while the image under electron microscope is black and white.
- C.
The image under light microscope has higher resolution than that under electron microscope.
- D.
Light microscope makes use of light while electron microscope makes use of electron beams.
- 9.The total magnification of a light microscope is 400X. If the magnification of the objective is 10X, what is the magnification of the eyepiece?
- A.
40X
- B.
390X
- C.
10X
- D.
4000X
- 10.If you find the image under light microscope too dim, which part should you adjust?
- A.
Iris diaphragm
- B.
Coarse adjustment knob
- C.
Eyepiece
- D.
Fine adjustment knob
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