WorksheetsSKor A+ Biologi (6-9)
Total questions: 50
Worksheet time: 25mins
Diagram shows organisms which can be taken as a source of food to prevent children from a malnutrition disease.Name the disease?
Kwashiokor
Marasmus
Osteoporosis
Gout
Calculate the energy value of the peanut based on information
0.427 kJg-1
1.527 kJg-1
1.099 kJg-1
1.954 kJg-1
Diagram shows the old folk suffering from a disease.Which of the following is the nutrient deficiency that causes the disease?
Carbohydrate
Calsium
Lipid
Iodine
Diagram shows a human digestive system.Which of the following is an enzyme produced by the organ X?
Erepsin
Sucrase
Trypsin
Pepsin
Liver is an important organ which involved in assimilation of digested food.Which of the following is a process that occurs in a liver?
Excess amino acid broken down into lactic acid
Lipid oxidized to release energy
Excess glucose converted to lipid when the glycogen storage reaching the maximum level
Excess glucose is converted in the form of glucagon
Diagram shows the ingredients that have been received by Mrs. Zurita from her mother in law.Which of the following food processing methods that are most suitable to ensure the food shown remains fresh?
Diagram shows the counter current-exchange mechanism which occurs at the respiratory surface of a fish.Which of the following statements about the counter-current exchange mechanism of a fish is correct?
Water flows through the gills has same direction as the flows of blood in thecapillaries in the lamellae.
The counter-current exchange mechanism causing oxygen to diffuse from bloodinto the water.
Deoxygenated bloods in the lamellae encounters water with higher oxygencontent.
Different concentration gradient along blood capillaries allows the carbon dioxide diffuse from water into blood capillaries.
Which of the following ways is the most carbon dioxide being transported in humans?
It is carried by platelet
It is dissolved in the plasma
It is combine with haemoglobin
It reacts with water to form bicarbonate ions.
Diagram shows a cross-section of the human brain.Where is the breathing centre located in the brain in Diagram ?
W
X
Y
Z
Diagram shows a cross-section of a leaf.Which of the cells in Diagram involved in both respiration and photosynthesis
I and II only
II and III only
I, II and III only
II, III and IV only
Conifer like pine is well adapted to high altitude and sloping hillside.What is the abiotic factor related to these characteristics?
pH
Humidity
Temperature
Topography
Which of the following organisms is the second trophic level?
Bird, fish and small animals
Snail, small animals and tadpole
Snail and fish
Bird and tadpole
Diagram shows the types of roots for three types of mangrove tree P, Q and R.Which of the following is true about the sequence of this type of tree from the river estuary?
P, Q, R
Q, P, R
R, Q , P
R, P, Q
Which of the following organisms helps in cellulose digestion in the termite alimentary canal?
Bacteria
Virus
Fungi
Protozoa
Diagram shows a phenomenon resulting from human agricultural activities. Name the chemical sources that make this phenomenon
magnesium
phosphate
mercury
cobalt
Diagram shows the activities that causes green house effect. How does the activity shown can cause the green house effect?
The trapped heat increases the temperature of the earth
The absorption of carbon dioxide gas decreases
The layer of carbon dioxide prevents the heat reflected into space
Changes in wind direction
Diagram shows an electric power station.Which of the following is the effect of construction of electric power stations to organisms in the environment?
Reduce the amount of dissolved oxygen in the water
Increase the metabolic rate of aquatic organisms to carry out respiration
Reduce the decomposition of organic matter by bacteria
Interfere the biochemical processes in the organisms
Preservation and conservation is an effort to protect and restore the disturbed ecosystem to the natural balance conditions?Which of the following is the main purpose of mangrove swamps preserve and conserve?
Retain nutriens in the soil
Prevent coastal erosion and flood control
To control pets populations
Habitat for shelled aquatic animal
Diagram shows a disease which causes the patient to have bleeding gums and loose teeth.The disease is caused by a deficiency of a nutrient. What is this nutrient?
Vitamin D
Calcium
Iron
Vitamin C
Diagram shows an organelle in a plant cell.Which of the labelled parts A, B, C and D is the grana ?
A
B
C
D
The following equation shows aerobic respiration in muscle cells.How much energy is produced from the respiration ?
150 kJ
210 kJ
2898 kJ
5067 kJ
Diagram shows human muscle tissues.What happen to glucose molecules in the tissues during vigorous activity ?
Glucose molecules break down partially into ethanol
Glucose molecules break down partially into lactic acid
Glucose molecules break down to produce carbon doxide
Glucose molecules break down to produce 2898 kJ of energy
Diagram shows a model of the lungs.What will happen in X and Y when the rubber sheet is pulled downwards ?
X=Volume increases Y=Expand
X=Volume decrease Y=Contract
X=Pressure increases Y=Expand
X=Pressure decrease Y=Contract
Diagram shows a graph of the releases and absorption of carbon dioxide in plant.Which of the following refers to P ?
Rate of respiration lower than rate of photosynthesis.
Rate of respiration higher than rate of photosynthesis
Rate of respiration is the same as rate of photosynthesis
Rate of respiration increases and rate of photosynthesis does not change
Diagram shows living organisms in an ecosystem.Which of the following is refer to that living organisms?
Plants
Animals
Biotic components
Abiotic components
Diagram shows the food web in an ecosystem.Which of the following is correct about the ecosystem?
The snake is the primary consumer
The number of grass is the largest in the ecosystem
Bird and hawk compete for the same food resources
Grasshopper, caterpillar and rat receive the lowest energy from the grass
Diagram shows a graph of a population of animal P and animal Q in the same habitat.What is the biological relationship between animal P and Q as shown by the graph?
Symbiosis
Mutualism
Parasitism
Prey and predator
Which pair of organisms shows commensalism?
Flea and cat
Algae and fungus
Shark and remora
Rhizobium sp. and legume
Calculate the population size of the rats in the paddy field based on information given
120
240
150
300
Diagram shows three organisms which belong to different kingdoms.Which is the correct kingdom for X, Y and Z ?
X=Protista Y=Fungi Z=Plantae
X=Fungi Y=Protista Z=Plantae
X= Fungi Y=Plantae Z=Protista
X=Protista Y=Fungi t Z=Plantae
The scientific name of a tiger is Panthera tigris..What information about the animal is given by the scientific name?
Family and genus
Genus and species
Species and variety
Variety and family
The combustion of fossil fuel releases sulfur dioxide. How does sulfur dioxide fall to earth as acid rain ?
Combined with carbon dioxide
Combined with dilute acid
Combined with water vapour
Combined with oxygen
Which of the following pollutants can cause mental retardation?
Haze
Lead
Sulphur dioxide
Carbon monoxide
Diagram shows the impacts of phenomenon Y.What is phenomenon Y?
Global warming
Ozone depletion
Thermal pollution
Green house effect
Diagram shows three types of mangrove plants roots.Which mangrove plants have the roots as shown in Diagram?
Avicennia sp
Sonneratia
Rhizophora sp.
Bruguiera sp.
What is the effect of haze and dust on the leaves of plants?
Decrease the water transport
Damages the chlorophyll in the leaf
Damages the mesophyll cells in leaf
Decreases the amount of the light received by the leaf
Certain substances when in excess may cause water pollution.Which of the following substance causes eutrophication?
Pesticide
Herbicide
Fertiliser
Carbon dioxide
Diagram shows a human activity.Which of the following is the effect of the activity?
Acid rain
Soil erosion
Air pollution
Increase of biodiversity
Four samples of water were taken from river J, K, L and M and treated with methylene blue solution. The investigation is to determine the level of water pollution in each river..Based on the result, which river will have the highest population of fish?
J
K
L
M
Which of the following is not the effect of ozone depletion?
Melanoma
Snow storms
Skin cancer
Phytoplankton is killed
Diagram shows an environmental phenomenon.Which of the following will cause the impact of the phenomenon to become more critical?
Open burning
Excessive use of fertilisers
The uses of unleaded petrol
Improper treatment of sewage
Which of the following organisms helps in cellulose digestion in the termite alimentary canal?
Bacteria
Virus
Fungi
Protozoa
Diagram shows the activities that causes green house effect.How does the activity shown can cause the green house effect?
The trapped heat increases the temperature of the earth
The absorption of carbon dioxide gas decreases
The layer of carbon dioxide prevents the heat reflected into space
Changes in wind direction
Preservation and conservation is an effort to protect and restore the disturbed ecosystem to the natural balance conditions?Which of the following is the main purpose of mangrove swamps preserve and conserve?
Retain nutriens in the soil
Prevent coastal erosion and flood control
To control pets populations
Habitat for shelled aquatic animal
Diagram shows the hierarchy in the classification of organisms.Which parts labelled T,U,V,W,X,Y and Z represents ‘Homo’ and ‘sapiens’ in Homo sapiens?
Homo=T Sapien=U
Homo=V Sapien=W
Homo=X Sapien=Y
Homo=Y Sapien=Z
Diagram shows the human activities nearby lake P.Which of the following graphs shows the changes in pH value of the lake?
Based on Diagram, what can be contributed by the woman for our ecosystem?
Reduce the air pollution
Overcome the thinning of ozone layer
Reduce the Green House effect
Reduce the use of non-biodegradable materials
The information shows the stages of eutrophication in the pond.Which of the following is the correct sequence?
Q,R,S and P
P,Q,S and R
P, R, S and Q
R, S, Q and P
Which of the following air pollutants can cause acid rain?
Sulfur dioxide from coal-fueled power station
Lead compounds from car exhausts
Dust particles from cement industries
Smoke from wood fires
The following information refers to the thinning of the ozone layer.Which sequence is correct?
X, Y, Z
X, Z, Y
Z, X, Y
Z, Y, X
