WorksheetsJune Quiz 1
Total questions: 20
Worksheet time: 20mins
When planning an experiment, a scientist repeated
his experiment many times. Which of the following is the most likely reason
for this?
To reduce the probability that his results happened
by chance.
To ensure the result of the experimental group is
not too different from the control group.
To allow his hypothesis to be accepted as a theory.
To ensure that he can eventually prove that his
hypothesis was true.
One day, Sammy notices some ants begin to die off
immediately after visiting a drop of liquid found on the corner of her house.
She starts to wonder what is killing the ants. If she is following the scientific
method of investigation, what would be her next step?
She should draw some conclusions about what is
killing the ants.
She should obtain a sample of the liquid and run
some experiments to analyses the content of liquid.
She should come out with a theory that explains what
is killing the ants.
She should form some hypothesis to explain what is killing the ants.
Name the field that is studying about termites,
true bugs, mosquito and beetles?
(a)
What is the name of flattened membranous sacs found in the Golgi apparatus?
(a)
The following information are features of an organelle in a cell
· Consists of an extensive network of folded membranes
· transports proteins to Golgi apparatus
Which of the following organelles have the features as stated above?
lysosome
ribosome
rough endoplasmic reticulum
chloroplast
Which of the following cells do not contain a nucleus?
White blood cells
Red blood cells
Companion cells
Palisade mesophyll cells
Which of the following describes the function of contractile vacuole in Paramecium sp.?
It is used for osmoregulation.
It is used to absorb food.
It is used to store undigested food
It is used to exchange gases between the cell and its environment
Which organelle/s involved in production of extracellular enzyme?
ribosome
Golgi apparatus
centriole
lysosome
rough endoplasmic reticulum
(a) tissue provides support for herbaceous plants.
The diagram shows the shapes of the cells in a cross section of a leaf. Which of the cells would contain chloroplast?
II and III
II only
I, II and III
II, III and IV
The diagram shows an animal muscle tissue. Which of the following is the function of the muscle tissue when it contracts?
Moves the bones
Pumps bloods to all parts of the body
Detects stimulus and transmits impulse
Peristaltic movement along the digestive tract
The diagram shows the movement of glucose molecule through a plasma membrane. Which conclusion could be obtained from the diagram?
Glucose moved by facilitated diffusion
Glucose moved by osmosis
Glucose moved by active transport
Glucose moved by simple diffusion
Plants obtain mineral ions from the soil. Which of the following is the plant’s intake method for the mineral ions?
Simple diffusion
Osmosis
Active transport
Absorption
The diagram shows the apparatus set-up to demonstrate process X. Name process X.
(a)
The diagram shows the 'lock and key' hypothesis for the reaction of lipase. Which part A, B, C or D represents lipase?
(a)
Enzymes are added to biological washing powders to remove stains. Which would be the most effective enzymes in removing chocolate milk?
Protease and lipase
Amylase and maltase
Lipase and catalase
Protease and trypsin
The diagram shows the optimum pH of an enzyme P in its reaction. What is enzyme P?
Renin
Salivary amylase
Pepsin
Trypsin
Name the phase in the interphase that involved the duplication of organelles.
(a)
Which of the following is/are characteristic/s of mitosis?
It results in genetic variation
Mitosis is important for replacing dead cell
Damaged cells can be replaced by production of identical new cells
New cells produced are used for growth of multicellular organisms
Name structure K.
(a)
