WorksheetsGE Science 2
Total questions: 40
Worksheet time: 20mins
The Philippines lies in the ____________, an area where many volcanoes are active.
Archipelagic fault line
Wheel of fire
Ring of fire
Volcanic rim
The first step in the scientific method is ______.
testing a hypothesis
making observations
forming a hypothesis
analyzing data
Which is an example of a non-pathogenic microorganism?
Plasmodium falciparum
Influenza sp.
Probiotics such as bifidobacteria
Yersinia pestis
Monosaccharides, oligosaccharides, and polysaccharides are types of ________.
Proteins
Lipids
Nucleotides
Carbohydrates
Air like food and water is an essential element in human existence. Carried by the wind, polluted air called ______ falls to earth poisoning fish and destroying vegetation.
El Niño
La Niña
Greenhouse rain
Acid rain
What are the components of a fungal cell wall?
Chitin, proteins and sugar
Lipids, proteins and sugars
Nucleic acids, proteins and sugars
Cellulose and proteins
What is the molecule that allows plants to capture energy from sunlight?
Carbohydrates
ATP
Chlorophyll
Oxygen
What will happen to a plant cell in a hypotonic solution?
The plant cell will develop a thickened cell wall.
The plant cell will shrivel.
No effect on the plant cell.
The plant cell will swell.
An ant colony stores food in the summer, defends itself by stinging enemies and invades a competing ant colony and steals larvae and use them as new workers. What is the term to best describe how this species copes with everyday life?
Ecological defeat
Environmental habitation
Ecological success
Ecological niche
How many bones does an adult human being have?
206
216
226
246
A toothpick can sit on the surface of water due to _________________.
Surface tension
Atmospheric pressure
Buoyancy
Viscosity
In a flame test, the presence of boron in a solution is evident by what color of flame?
Bright green
Brick red
Gold
Lilac
Which is true of metalloids?
Conduct heat and electricity less effectively than non-metals.
Conduct heat and electricity better than metals.
Conduct heat better than metals.
Have properties of both metals and non-metals.
What are the hormones responsible for plant growth, promoting auxiliary bud growth and apical dominance?
Auxins and Gibberellins
Auxins and abscisate
Cytokinins and Gibberellins
Cytokinins and auxins
Which of the following is the CORRECT name for the compound MnF₃?
Manganese fluoride (III)
Manganese (III) fluoride
Manganese (I) fluoride (III)
Manganese (III) fluoride (III)
Which of the following is a heterotroph?
Algae
Fern
Grasshopper
Moss
Polysaccharides, triglycerides, polypeptides, and nucleic acids are classified as _______.
Carbohydrates
Acids and bases
Phospholipids
Macromolecular
Which of the following is a measure of pressure, defined as one newton per square meter?
Pascal
Atomic Units
Milliliter
Poise
Who discovered penicillin?
Fleming
Mendel
Curie
Darwin
Kingdom Plantae includes which organisms?
Prokaryotes
Fungi
Magnoliidae
Protozoa
Science provides knowledge through disciplined observation. Which of the following is NOT characteristic of scientific assertion?
Logic and validity
Conformity with actual observation
Empirical support
Hearsay
Damage to DNA that is not repaired and then replicated can result in genetic disorders.
Mutation
Embryology
Pathology
Speciation
What organism would most likely be in an arctic environment?
Crocodile
Turtle
Walrus
Maya Bird
How are bats able to navigate in the dark without bumping into anything?
They emit sound waves whose returning vibrations can detect the presence of objects.
They are able to fluoresce in the dark.
They have supersonic eyesight.
They can disappear.
This demonstrates the feeding connections between all life forms.
Nutrition cycles
Fossil cycle
Biochemical pathways
Food web
One instance of taking away the life of another person without due process is ____________.
Euthanasia
Capital punishment
Salvaging
Suicide
A species of fish lived in a lake. When a dam was constructed in the area, a group of fish was separated and populated a new pond. They then developed differing characteristics and became a distinct species. Which of the following concepts explains this speciation?
Geographical isolation
Episodic isolation
Chronotropic isolation
Behavioral isolation
The protein shell of a virus is called ____________.
Capsid
Virions
Lambda bacteriophage
Capsomeres
Air, flood, and water are essential elements in human existence. Carried by the wind, polluted air called ________________ falls to earth poisoning fish and destroying vegetation.
La Niña
Greenhouse rain
El Niño
Acid rain
In the Pacific area, a storm is called _____________.
Hurricane
Typhoon
El Niño
La Niña
When the North Pole is tilted towards the sun, it is summer, and when the sun shines all the time both day and night, what is this called?
Twilight sun
Summer light
Northern Light
Midnight Sun
The Kyoto Protocol, which requires countries to reduce greenhouse gas emissions, is a practice that advocates ________.
Environmental protection
Ecological destruction
Sustainable potential
Forest demolition
Ecosystem is the relationship between the physical and biological environments in a certain plain. Among desert ecosystems, the world’s largest ecosystem is ______________.
Sahara
Sonoran
Tian Shan
Namib
Which is known as "blood sugar”?
Sucrose
Lactose
Fructose
Glucose
Which among the following vitamins is soluble in water?
Vitamin A
Vitamin B1
Vitamin B12
Vitamin C
Complete the reaction: Water + CO₂ → Sugar + ______.
Ethanol
Oxygen
Carbon dioxide
ATP
What organism would most likely be in an arctic environment?
Frog
Turtle
Rice bird
Walrus
Which is the universal blood donor?
Blood type A
Blood type B
Blood type AB
Blood type O
Which shows pairing of analogous structures?
Hands of man: Hands of frog
Wings of birds: Wings of fly
Legs of apes: Legs of monkeys
Flippers of whales: Flippers of dolphins
Which taxonomic sequence indicates general to specific?
Genus – species – order – class – family
Species – genus – family – order – family
Kingdom – phylum – family – class – order
Class – order – family – genus – species
