WorksheetsSTPM Biology 2016 Term 1 MCQ
Total questions: 15
Worksheet time: 8mins
Cellulose, starch and glycogen ore polysaccharides with different properties due to their
type of ______.
bonding
functions
side chains
monosaccharide subunits
What would happen to a protein during electrophoresis when the pH of the buffer solution
used is below its isoelectric point?
The protein does not move.
The protein moves towards the anode.
The protein moves towards the cathode.
The protein moves towards the anode and then to the cathode.
Which is true about peptide bond?
The formation of a peptide bond releases one water molecule.
The tertiary structure of a protein is determined by its peptide bond.
The characteristic of a protein molecule is determined by its peptide bond.
The peptide bond is formed between two amino acids with the same characteristics.
Which are true about DNA and RNA?
I and II
I and IV
II and III
III and IV
When a student examined a cell under a microscope, he observed the presence of cell wall
and the cell does not contain membrane-bound organelles. What conclusion can be made from
the observation?
It is a plant cell.
It is an animal cell.
It is a bacterial cell.
It is either a plant or an animal cell.
Which of the following differentiates prokaryotic from eukaryotic cells?
The presence or absence of a rigid cell wall.
Whether or not the cell is partitioned by internal membranes.
The presence or absence of ribosomes.
The ability of the cell to carry out cellular metabolism.
Smooth endoplasmic reticulum is extensively developed in cells of
I liver
II pancreas
III salivary gland
IV adrenal cortex
I and II
I and IV
II and III
I
The initial level of sucrose solutions which are separated by a semi-permeable membrane in a U-tube is shown in the diagram below.
I and II
I and III
II and IV
III and IV
Which substance corresponds to its correct property?
A
B
C
D
Three different reactions involving the same enzyme and substrate are shown in the graphs. Choose the correct answer.
A
B
C
D
Which class of enzyme does aminoacyl-tRNA synthetase belong to?
Lyase
Ligase
Transferase
Oxidoreductase
Where does chemiosmosis occur in the mitochondrion?
Matrix
Cristae
Cisterna
Plasmalemma
How many ATPs are formed from one molecule of glucose during the energy investment
phase of glycolysis?
0
2
4
36
The absorption spectrum for different photosynthetic pigments is shown in the graph.
A
B
C
D
Photosynthesis requires the coordination of two phases, which are ______.
photosystems I and II
photosystem and photolysis of water
light and the carbon fixation reactions
dark and the carbon fixation reactions
