COPY: Introduction to Life Processes
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Questions and Answers

What is the primary site of photosynthesis in plants?

  • Chloroplasts (correct)
  • Stomata
  • Roots
  • Flowers

Carnivores primarily consume plants as their main source of nutrition.

False (B)

Name one product of the photolysis of water during photosynthesis.

Oxygen

Photosynthesis requires ________, water, and light energy.

<p>carbon dioxide</p> Signup and view all the answers

Match the type of nutrition to its description:

<p>Herbivores = They are plant eaters. Carnivores = They eat other animals. Omnivores = They eat both plants and animals.</p> Signup and view all the answers

Which of the following processes is NOT considered a life process?

<p>Sleeping (D)</p> Signup and view all the answers

All organisms that depend on others for food are classified as autotrophs.

<p>False (B)</p> Signup and view all the answers

What is the main process by which autotrophic organisms prepare their food?

<p>Photosynthesis</p> Signup and view all the answers

Humans primarily utilize ______ nutrition, which involves ingestion and digestion of complex food.

<p>Holozoic</p> Signup and view all the answers

Match the types of heterotrophic nutrition with their definitions:

<p>Holozoic = Ingestion of solid or liquid food Parasitic = Obtaining food from a host organism Saprophytic = Obtaining food from decayed organisms</p> Signup and view all the answers

Which enzyme is responsible for converting starch into simple sugars in the mouth?

<p>Ptyalin (B)</p> Signup and view all the answers

Egestion refers to the absorption of nutrients into the bloodstream.

<p>False (B)</p> Signup and view all the answers

What is the role of villi in the human digestive system?

<p>Villi help in the absorption of digested food into the bloodstream.</p> Signup and view all the answers

The process of breaking down large insoluble molecules into smaller, soluble ones is called __________.

<p>digestion</p> Signup and view all the answers

Match the following steps of nutrition with their descriptions:

<p>Ingestion = Taking in food through the mouth Digestion = Breaking down food into simpler substances Absorption = Taking nutrients into the bloodstream Egestion = Removing undigested food from the body</p> Signup and view all the answers

What is the main digestive action that occurs in the stomach?

<p>Digestion of proteins (B)</p> Signup and view all the answers

The small intestine is where most nutrient absorption takes place.

<p>True (A)</p> Signup and view all the answers

What is the primary function of bile juice in digestion?

<p>To emulsify fats.</p> Signup and view all the answers

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