Page 60 - PRE-U STPM BIOLOGY TERM 1

Biology Term 1 STPM Chapter 2 Structure of Cells and Organelles

23. Which of the following is correct? 27. Which protein subunits are true of the
cytoskeleton fibres?
Cardiac Smooth Striated
muscle muscle muscle Microtubules Microfilaments Intermediate
filaments
A Myogenic Syncitial Autonomic
control A Fibrous Tubulin Actin
dimer 2
B Syncitial Myogenic Autonomic B Tubulin Fibrous Actin
control
dimer
C Autonomic Syncitial Myogenic C Tubulin Actin Fibrous
control dimer
D Myogenic Autonomic Syncitial D Fibrous Actin Tubulin
control dimer

24. Which of the following characteristics is not 28. Which is not true of parenchyma cells?
that of hyaline cartilage or compact bone? A Most parenchyma cells are
A To withstand compression undifferentiated and meristematic.
B To bind with connective tissues B Photosynthesis occurs within the
C Their cells are chondroblas and chloroplast of parenchyma cells of the
osteoblas respectively leaf.
D Their cells produce matrix substances C Parenchyma cells have thicker primary
walls than those of collenchyma cells.
25. What is meant by resolution in microscopes? D Most fleshy fruit tissue is composed
A The product of the magnifications of mainly of parenchyma.
the eyepiece and the objective lenses
B The shortest distance between two 29. Which tissue function is correct?
objects that can be seen separately
C The size of the smallest object that can Tissue Function
be seen A Connective Lining of the body cavity
D Twice the wavelength of the light used
to illuminate the specimen
B Epithelia Movement
26. Which of the following statements is the
advantage of using transmission electron C Muscle Protection and support
microscope to study cell organelles?
A It can be used to examine three- D Nerve Communication
dimentional structures of the organelles.
B It requires a relatively simple preparation
of the specimen.
C It does not require a special technical
skill to operate.
D It has high resolution.

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