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WorksheetsTRIAL JOHOR 2019
Total questions: 50
Worksheet time: 25mins
Contain hydrolytic enzyme
Eliminate worn out organelles
What is organelle X?
Ribosome
Lisosome
Nucleus
Golgi apparatus
Diagram shows an animal cell.Which structure A, B, C or D is a Golgi apparatus?
A
B
C
D
Diagram shows a plant cell.Which of the labelled parts A, B, C or D is made of cellulose?
A
B
C
D
Diagram shows a part of the human digestive system.Which organelle can be found in large numbers in structure Y?
Smooth endoplasmic reticulum
Rough endoplasmic reticulum
Mitochondrion
Lysosome
Diagram shows the structure of a plasma membrane.What substance can cross through P?
Glucose
Sodium ion
Amino acid
Fatty acid
Which of the following is true about the movement of water molecules at the end of the experiment on diagram?
The rate of water molecules diffusing from A to B is higher than from B to A
The rate of water molecules diffusing from B to A is higher than from A to B
No water molecules diffuses from A to B.
The rate of water molecules diffusing from B to A and from A to B is the same.
Diagram shows a strip of spinach stem after being immersed in solution X.Which of the following can solution X be?
Distilled water
17% sucrose solution
30% sucrose solution
40% salt solution
Diagram shows three main classes of carbohydrates.What do Y and Z represent?
Y= Sucrose Z= Ga lactose
Y= Fructose Z=Sucrose
Y= Galactose Z= Celluose
Y= Glycogen Z=Fructose
Diagram shows the structure of a triglyceride.What are represented by X and Y?
X= Glycerol Y=Fatty acid
X=Fatty acid Y=Phosphoric acid
X=Amino acid Y=Glycerol
X=Phosphate Y=Fatty acid
Among these suggestion, which are the most suitable action to do get rid of chili oil slicks on the shirt?
Wash clothes using 37°C water temperature and detergent that contains cellulase enzymes.
Wash clothes using 37°C water temperature and detergent that contains amylase enzymes.
Wash clothes using 37°C water temperature and detergent that contains sucrase enzymes.
Wash clothes using 37°C water temperature and detergent that contains lipase enzymes
Diagram shows cell cycle.In which of the phases A, B, C and D does the synthesis DNA occur?
A
B
C
D
Which of the following about the human chromosomes is true?
Mitosis, number of chromosomes in somatic=23
Mitosis, number of chromosomes in somatic=46
Meoisis I, number of chromosomes in somatic=23
Meoisis II, number of chromosomes in somatic=46
Diagram shows a cell division in the reproductive organ of an animal.Which diagram represents the gamete cell after the cell division is completed?
Table shows the number of chromosomes in the gametes for several animals. What are the chromosomal number of their skin cells?
Monkey=21 Dog=29 Frog=13
Monkey=10 Dog=20 Frog=7
Monkey=42 Dog=58 Frog=6
Monkey=63 Dog=113 Frog=9
Diagram shows stages involved in the process of photosynthesis.Which of the following represents L, M, N and R?
L =Hydrogen M=Carbon dioxide N=Oxygen R= Glucose
L =Oxygen M=Glucose N=Hydrogen R=Carbon dioxide
L =Hydrogen M=Glucose N=Oxygen R=Carbon dioxide
L =Oxygen M=Hydrogen N=Carbon dioxide R=Glucose
The following data is the result of an experiment to determine the energy value of a peanut.The specific heat capacity of water is 4.2 Jg-1oC-1. Calculate the energy value of the peanut.
1 680 Jg-1
3 360 Jg-1
7 560 Jg-1
11 760 Jg-1
Which of the following is the function of bile in digestive system?
Breakdown protein into small droplet
Breakdown lipid into small droplet.
Breakdown starch into small droplet.
Breakdown minerals into small droplet
For a normal boy, he should consume at least 2 liters of water per day. What will happen if a boy drink less than 1.5 liters of plain water per day?
Increase amount of glucose
Decrease body temperature
Increase the risk of heart disease.
Toxin cannot be flushed out from the body
The following equation shows anaerobic respiration in muscle cells.What is S?
Water
Ethanol
Lactic acid
Carbon dioxide
Diagram shows a part of human thorax.What happens to structures X and Y during inhalation?
X=Moves downwards and inwards Y=Contracts
X=Moves upwards and Outwards Y=Contracts
X=Moves downwards and inwards Y=Relax
X=Moves upwards and Outwards Y=Relax
Diagram shows part of human respiratory system.Which tissues supports the structure X?
Bone
Cartilage
Chitin
Muscle
Which mechanism will occur if the pH value of blood decreases?
Breathing and ventilation rate increase.
Breathing and ventilation rate decrease.
Breathing rate decreases but ventilation rate increases.
Breathing rate increases but ventilation rate decreases
Which of the following is the short term effect if there are no decomposers?
Atmospheric nitrogen cannot be absorbed by plants.
The soil would gradually becomes less fertile.
Atmospheric nitrogen cannot be fixed by bacteria.
Nutrients from dead organisms cannot be broken.
Which organisms are in the second tropic level in diagram?
Bird, Tadpole
Snail, Fish
Snail, Tadpole, Small animals
Bird, Fish, Small animals
The following information shows the results of a study carried out to estimate the population size of tilapia fish in a river.The estimated population size of tilapia fish is
75
100
150
240
A student carried out a study on the population of grass P in the school’s field. He used the quadrat sampling technique in the study, The area of each quadrat is 1m².The percentage coverage of grass P in the school’s field is
22%
37.8%
2.27%
3.78%
Table shows the time taken for methylene blue solution to decolorized in three water samples of P, Q and R.Which of the following is the sample water for P, Q and R?
P=Pond water Q=Drain water R=Tap water
P=Drain water Q=Tap water R=Pond water
P=Drain water Q=Pond water R=Tap water
P=Tap water Q=Drain water R=Pond water
Diagram shows the thinning of ozone layer in the earth’s stratosphere.Which of the following substances causes this phenomenon?
Carbon dioxide
Nitrogen dioxide
Carbon monoxide
Chlorofluorocarbon
Which of the following statements is true about BOD?
The higher the BOD value, the lower the degree of pollution.
The higher the BOD value, the higher the dissolved oxygen level in the water sample.
At high BOD level, the Hydrilla sp. Population in the river decreases.
At high BOD level, the fish population in the river increases.
What is effect of thermal pollution?
Soil erosion
Deforestation
Thinning of ozone layer
Rapid growth of algae
Which description is true about blood cells?
Erythrocyte - Change the biconcave shape when passing through the blood capillary
Platelet - Have nucleus and involve in the blood clotting mechanism
Monocytes -Produced antibodies to destroy pathogens.
Neutrophil-Without granules and desnoy pathogens by phagocytosis.
Diagram shows a graph of a type of immunity.Which of the following statements is true about the graph?
Second injection contains higher level of antibody
Second injection is required to boost the production of antibody
Both injections contain pathogen which control production of antibody.
Both injections contain serum that can increase antibody level
Diagram shows a cross section of a dicotyledonous root.Which of the parts A, B, C and D transports water and mineral ions ?
A
B
C
D
Diagram shows a fish.What problem will occur to the movement of the fish if S is injured?
Pitching / Junaman
Yawing / Pesongan
Rolling / Gerakan
Frictional drag / Seretan
Diagram shows a pectoral girdle.Which tissue connects P dan Q?
Bone
Tendon
Muscle
Ligament
Diagram shows a type of supportive tissue in plants.Which plant has this type of tissue?
An accident victim injured his head had difficulties in breathing.Which part A, B, C or D was injured?
A
B
C
D
Diagram shows the structure of a neuron.Which of the following activities cause X to be more permeable to water?
Eating salty foods
Drinking a lot of water
Drinking watermelon juice
eating orange
Which of the following happens in her body corrective mechanisms to control her blood sugar level?
The breakdown of glycogen to glucose by liver
Islet cells in pancreas are stimulated to secrete glucagon
The conversion of excess glucose in liver and muscle cells.
Lipid in the adipose tissues break down to release fatty acids that can be metabolized to generate energy
The statements are about female reproductive system.What is the structure?
Ovum
Graffian Follicle
Placenta
Corpus luteum
The following are statements about the formation of twins.Which of the following statements explain about the formation of fraternal twins ?
W and X
X and Z
W and Y
W, X and Z
Diagram shows parts of a flower.Which structure produces pollen grains?
P
Q
R
S
Which of the following refers to the phenotype of an individual?
Genetic composition
Actual physical appearance
Recessive allelles
Dominant allelles
Diagram shows a monohybrid cross between durian tree P and durian tree Q. 50% of the offspring are tall and 50% are dwarf.If durian tree R is crossed with durian tree S, what percentage of the trees produced will be dwarf?
0%
25%
50%
75%
Diagram shows parts of a DNA molecule.Which pair of nitrogenous base represent P and Q?
P= Adenine Q=Guanine
P= Cytosine Q=Guanine
P= Cytosine Q=Tiamine
P= Adenine Q=Cytosine
A boy has blood group A and his sister has blood group B.
Which is the correct combination of genotypes belonging to their parents?
Father=AB Mother=AB
Father=AA Mother=BB
Father=AA Mother=BO
Father=BO Mother=BO
Graph in Diagram shows variation type X and Y in human.Which of the following are the examples of variation for type X and type Y?
Type X=Tounge rolling Type Y=Eye colour
Type X=Earlobes Type Y=Finger Print
Type X=Types of blood Type Y=Body weight
Type X=Skin colour Type Y=types of hair
Which of the following does not cause variation?
Crossing over
Random fertilization
Separation of sister chromatids
Independent assortment of chromosomes
Diagram shows a type of chromosomal mutation.What is the type of this chromosomal mutation?
Deletion
Inversion
Duplication
Translocation
The following information is about two individuals, P and Q.
Which factor causes the difference in traits for the two individuals?
Genetic
Environment
Hormone
Mutation
