WorksheetsBIO SPM REVISION 1
Total questions: 30
Worksheet time: 33mins
The term food chain is used to describe the food relationship between organisms. At the beginning of each food chain there is an organism that
synthesises organic substances from inorganic substances
obtains energy from the decomposition of inorganic substances
eats plants
eats decomposing matter
The eating method of an organism that is a decomposer is known as
autotroph
parasite
saprophyte
symbiosis
A farmer carries out an experiment to estimate the rat population in a farm. The farmer captures 70 rats and marks the rats before releasing them. After a week, the farmer catches 60 rats, of which 5 are marked. What is the estimated rat population in the farm?
300
350
370
840
Microorganisms that are found in the intestine of the termite and which help digest cellulose is a type of
virus
fungi
protozoa
alga
In the determination of the pollution level of water samples, blue methylene solution is used. What is the conclusion that can be made if the colour of the blue methylene solution fades?
Oxygen is still found in the water sample
Oxygen in the water sample has been used up
There are no microorganisms found in the water sample
There are some microorganisms in the water sample
A lake water sample shows a low Biochemical Oxygen Demand (B.O.D) value. This shows that
the lake water is polluted
the oxygen quantity that is dissolved in the lake water is high
there is an increase in bacterial activity in the lake water
the lake water temperature has increased
The greenhouse effect that causes an increase in the world temperature is caused by the increase in the level of
floating particles in the atmosphere
carbon dioxide in the atmosphere
chlorofluorocarbon in the atmosphere
carbon monoxide in the atmosphere
The blood vessel with the lowest oxygen content is
the vena pulmonary
the hepatic artery
the artery pulmonary
the renal artery
Which of the following statements explains the insect circulation system?
Does not have a heart
Sole circulatory system
Blood wets the body cells
Oxygenated blood mixes with the deoxygenated blood
Which of the following bone pairings allows for movement in all planes?
Sternum and ribcage
Femur and tibia
Humerus and scapula
Atlas and axial
Which organelle is involved in elimination worn out organelles in the cell?
Rough endoplasmic reticulum
Golgi apparatus
Lysosome
Ribosome
Which is the function of centriole?
Involved in formation of cell membrane
Involved in formation of DNA
Involved in formation of chromosome
Involved in formation of spindle fibres
Which of the following is the example of connective tissue?
Muscle
Tendon
Nerve
Epithelial
A farmer found that his crops wilt after given excess fertilizer. Which explanation is suitable for the situation.
Fertilizer diffuse into plant cell through osmosis
Water diffuse out from plant cell by osmosis
Soil water become hypotonic than cell sap
Mineral from soil water diffuse into the plant cell
A housewife noticed that cucumber slices become hard when immersed in a tap water. Which process causes the hardest of cucumber slices?
Water diffuses into the cucumber slices by osmosis
Water diffuses out from the cucumber slices by osmosis
Salt moves into the cucumber slices by active transport
Salt moves out from the cucumber slices by active transport
Which of the following is a basic unit of DNA?
Amino acid
Peptide
Nucleotide
Glycerol
Sample R is tested with Iodine solution. It’s colour change to dark blue. Which is sample R?
Fish
Tomato
Meat
Potato
Which of the following is not an enzyme?
Amylase
Rennin
Casein
Trypsin
What is significance of mitosis?
Produce haploid gamete
Reduce the number of chromosomes
Maintain haploid number of organisms
Maintain genetic content of organisms
Which of the following is the advantage of cloning?
Destruction of natural selection
Increases yield of crops
No variation
Same resistance to certain disease as parent
The diploid chromosomal number of a horse is 64. How many chromosomes are in an intestine cell?
16
32
64
128
Which group of food prevents goiter?
Spinach, corn cereals, apple
Fish, seafood soup, chocolate cake
Orange juice, cream of mushroom soup, cheese biscuit
Fish, prawn, seafood soup
70% of carbon dioxide is transported in blood plasma.
Which of the following is a form of carbon dioxide stated in the above statement?
Carboxyhaemoglobin
Carbaminohaemoglobin
Dissolved gas
Bicarbonate ion
Which of the following are the products of anaerobic respiration in yeast?
Ethanol and carbon dioxide
Ethanol and lactic acid
Ethanol and oxygen
Ethanol and zymase
The allele for presence of dimple in human is dominant. A man with dimples is heterozygous while his wife does not have dimple. The probability of getting a child with dimple is
1
3/4
1/2
1/4
In pea plants, the allele for tall plant is dominant over the allele for dwarf plant. Two heterozygous plants are cross-bred. What is the chance of the offspring being tall plants?
25%
50%
75%
100%
Which part of the brain is the first to be affected by alcohol?
the cerebrum
the cerebellum
the pituitary gland
the medulla oblongata
The narrow space between the branches of an axon and a neurone dendrite is known as
the neurolemma
the dendron
the synapse
the Ranvier node
When a person suddenly wakes up from a nightmare, his heartbeat rate will increase. This is caused by the secretion produced by
the pituitary gland
the adrenal gland
the thyroid gland
the pancreas
Growth hormone deficiency in a person’s body will cause
dwarfism
cretinism
myxoedema
gigantism
