Q: What is the name of the the most efficient possible engine? Read this paragraph and choose the correct option from the provided answers: An ideal engine, the most efficient theoretically possible, is called a Carnot Engine. Its efficiency is given by the following formula, where the temperatures are, respectively, the temperature of the exhaust environment and the temperature of the heat input, in Kelvins. In a Carnot engine heat is input and exhausted in isothermal cycles, and the efficiency is . In all real engines heat is lost to the environment, thus the ideal efficiency is never even close to being obtained. Choices: - excitation engine - diesel engine - ventilation engine - carnot engine A:
carnot engine

(Question)
Q: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called what? Read this paragraph and choose the correct option from the provided answers: Terrestrial ecosystems, also known for their diversity, are grouped into large categories called biomes. A biome is a largescale community of organisms, primarily defined on land by the dominant plant types that exist in geographic regions of the planet with similar climatic conditions. Examples of biomes include tropical rainforests, savannas, deserts, grasslands, temperate forests, and tundras. Grouping these ecosystems into just a few biome categories obscures the great diversity of the individual ecosystems within them. For example, the saguaro cacti (Carnegiea gigantean) and other plant life in the Sonoran Desert, in the United States, are relatively diverse compared with the desolate rocky desert of Boa Vista, an island off the coast of Western Africa (Figure 20.3). Choices: - bisomes - monomes - substrates - biomes A:
(Answer)
biomes

Ques: Q: Diarrhea due to food poisoning is an example of a problem involving what organ system? Read this paragraph and choose the correct option from the provided answers: Much of the time, you probably aren't aware of your digestive system. It works well without causing any problems. But most people have problems with their digestive system at least once in a while. Did you ever eat something that didn't "agree" with you? Maybe you had a stomachache or felt sick to your stomach. Perhaps you had diarrhea. These can be symptoms of food poisoning. Choices: - lung system - skeletal system - muscular system - digestive system A:
Ans: digestive system

(Q).
Q: Some microorganisms can digest cellulose, breaking it down into what? Read this paragraph and choose the correct option from the provided answers: Choices: - gluclose polymers - fructose polymers - fructose monomers - glucose monomers A:
(A).
glucose monomers

Ques:Q: What type of disturbance do even dominant plants depend on in many biomes? Read this paragraph and choose the correct option from the provided answers: Choices: - mass extinction - radiation - seismic force - periodic A:

Ans:periodic

Q: Metabolism includes both anabolic and which other reaction? Read this paragraph and choose the correct option from the provided answers: Figure 1.6 Metabolism Anabolic reactions are building reactions, and they consume energy. Catabolic reactions break materials down and release energy. Metabolism includes both anabolic and catabolic reactions. Choices: - organic - enzymatic - biogenic - catabolic A:
catabolic