LS 2: Scientific Literacy and Critical Thinking ReviewVersión en línea Choose the letter of the correct answer by clicking the given options por remart balingit 1 Raymond has been diagnosed with asthma. Which of the following does NOT relate to asthma? a Vomiting and dizziness b Shortness of breath c Chest tightness or pain d Coughing and wheezing 2 Tuberculosis (TB) is a contagious illness that affects the lungs. Which phrase indicates the spread of active TB between individuals? a Sharing cutlery b Through kissing the person c Direct contact such as hugging the person d Coughing or sneezing near a healthy person 3 Which patient listed below is diagnosed with pneumonia? (Refer to the information.) a Rey is experiencing a fever and diarrhea b Ray is coughing and vomiting c May has a persistent cough at night d Mey has a cough, chills, and shortness of breath 4 Which of the following describes an element? (Refer to the picture/table.) a It can be reduced to a more basic form. b It cannot be reduced to a more basic form. c It is formed by two elements combined in a fixed ratio d It is created when two elements react chemically. 5 Which sentence below BEST characterizes the attributes of a compound? a It has a metallic character b It is made of only one type of element c It has a different number of protons and neutrons d It is formed by a combination of two or more elements 6 What is FALSE regarding the placement of constellations? (Refer to the given information in the picture.) a Longitudes indicate the location of constellations to the East or West of the equator b Constellations slowly shift from the West to the East location c Constellations are positioned based on their locations in relation to the poles and the equator d Latitudes designate the locations of constellations to the north or south of the equator 7 What is ACCURATE regarding the location of constellations? (Refer to the given information in the picture.) a Orion is located at the Eastern longitude. b Virgo lies at the southern latitude. c Lyra is located at the western longitude. d Polaris is located in the northern region. 8 Refer to the given information. Before an earthquake happens, some animals demonstrate unusual behaviors as warning signs. Researchers at the Okada Institute of Animal Behavior and the University of Japan stated that they have managed to precisely measure increased activity in a group of farm animals before seismic activity. Which unusual behaviors of animals can be considered a sign of the occurrence of an earthquake? a More eggs are laid by chickens. b Dogs, cats, and other pets get restless. c Ants do not get out of the ground. d In their pig pens, pigs remain silent. 9 Which of the following signs does NOT show a possible earthquake? a Sunny Day b Volcanic eruption c Rumbling ground d Unusual animal behavior 10 Refer to the given information The Richter scale is used to rate the magnitude of an earthquake or the amount of energy released during an earthquake. The Richter magnitude involves measuring the amplitude of the largest recorded wave at a specific distance from the seismic source. Adjustments are included for the variation in the distance between the various seismographs and the epicenter of the earthquake. Which of the following is being measured by the Richter scale? a Damage caused by an earthquake b Energy released during an earthquake c Depth of an earthquake below the earth d Public reports to evaluate earthquake intensity 11 Refer to the illustration. Sexual and asexual reproduction are essential for the survival and continuation of species. Which statement explains the difference between them? a asexual reproduction produces diverse offspring, sexual reproduction produces identical offspring. b sexual reproduction produces diverse offspring, asexual reproduction produces identical offspring. c Both asexual and sexual reproduction involve two parents with identical offsprings d Both asexual and sexual reproduction involve one parent with different offspring 12 Which of the following sentences provides supporting details to the main idea? a Sexual reproduction - one parent - similar offspring to parents b Asexual reproduction - one parent - similar offsprings to parents c Asexual reproduction - two parents - similar offspring to parents d Sexual reproduction - two parents - similar offspring to parents 13 Which level of biological organization is composed of the smallest functional unit of life? a Organ b Tissue c Cell d Organism 14 Which of the following best describes how an organism's organs cooperate to carry out intricate tasks? a System b Organism c Population d Ecosystem 15 Which includes the atmosphere, land, and oceans, as well as all other ecosystems on Earth? a Biosphere b Biome c Community d Ecosystem 16 Which of the following uses best exemplified the characteristics and applications of metals and non-metals? a Because of its conductivity and malleability, gold is used to make jewelry. b Because carbon conducts heat and electricity, it is used in pencils. c Because chlorine gas has a high specific gravity, it is used to disinfect water. d Aluminum foil's low specific gravity and suppleness make it ideal for cooking. 17 Which of the following describes the differences between metals and non-metals? a Non-metals are brittle and flexible, whereas metals are both stiff and malleable. b Metals have low specific gravity, while non-metals have high specific gravity c Metals have low specific gravity, while non-metals have love specific gravity d Metals are flexible and malleable, while non-metals are rigid and brittle 18 Which of the following shows the difference in conductivity between metals and non-metals? a Metals are used in electrical wires because they conduct electricity, while non-metals serve as insulators because they do not conduct electricity b Metals are known to be poor insulators, while non-meltas can act effective insulators in various applications c Non-metals are used in cooking tools because they conduct heat well, while metals are utilized for their durability and heat resistance d Non-metals conduct heat efficiently in most applications, while metals generally do not conduct heat effectively. 19 Which of the following is an abiotic factor of the ecosystem? a Grass is sprouting b Cow eating grass c Water evaporate d Birds eating sweet fruits 20 Refer to the information In photosynthesis, green plants utilize sunlight to transform water and carbon dioxide into oxygen and carbohydrates. Which is a biotic component of the ecosystem? a The amount of oxygen emitted during photosynthesis b Green plants that yield food c The carbohydrates generated during the process of photosynthesis d Water and gasses are transformed into carbs by sunlight. 21 Which of the following best describes how biotic and abiotic elements differ in an ecosystem? a A rock next to another rock b Two birds in flight together c A mango tree flourishing in the sun d A fish swimming alongside another fish 22 Which BEST describes the similarity between mitosis and meiosis? (Refer on the picture provided.) a Happen in somatic cells b Produce 2 diploid cells c Undergo four stages in total d Start with a single-parent cell 23 Mitosis creates daughter cells containing the same chromosome count, whereas meiosis generates gametes with half that count. What is the accurate chromosome count in the daughter cells produced after mitosis and meiosis in humans? a Mitosis produces 23 chromosomes; Meiosis produces 23 chromosomes b Mitosis produces 23 chromosomes; Meiosis produces 46 chromosomes c Mitosis produces 48 chromosomes; Meiosis produces 23 chromosomes d Mitosis produces 46 chromosomes; Meiosis produces 23 chromosomes 24 Which of the subsequent processes takes place in both mitosis and meiosis? a Crossing over b DNA Replication c Formation for four daughter cells d Reproduction of chromosome number 25 In what ways does air pollution affect climate change? a Water contamination lowers the planet's temperature. b Pollution led to an increase in plant life within the ecosystem. c Pollution impacts only the quality of local air, not the climate. d Air pollution emits greenhouse gases that capture heat in the atmosphere. 26 In what way does La Niña affect significant weather patterns in the Philippines? a It leads to increased precipitation in the Pacific Northwest. b It delivers higher temperatures to the North. c It leads to reduced temperatures in the South. d It results in an increase of typhoons in the Southern United States 27 What is the primary impact of the Southwest Monsoon (Habagat) weather in the Philippines? a Brings intense rainfall and causes flooding. b Causes overcast skies and diminishes daylight. c Generates elevated humidity and results in damp conditions. d Generates powerful winds and escalates typhoon occurrences. 28 What most accurately depicts the Philippines' vulnerability to typhoons? a It is situated close to the equator. b It sits on a significant fault line. c It features numerous mountains and woodlands. d It is located in the Pacific Ocean. 29 A technique for stopping food from spoiling is food preservation. What food preservation method is suitable for making atchara? a Pickling b Salting c Canning d Drying 30 What is the name of the galaxy that is closest to our own Milky Way? a Andromeda b Triangulum c Magellanic Clouds d Sombrero