Homework Practice

Printable assignment

Nutrition in Animals: Human Digestion

Human Digestion Basics

Question 1mcq

Which pair correctly matches an animal with its way of taking food?

A.Butterfly—sucking nectar

B.Cow—filter feeding

C.Mosquito—chewing grass

D.Snake—scraping algae

Question 2mcq

A frog catches insects with a sticky tongue. Which idea does this illustrate?

A.All animals chew food like humans.

B.Different animals have feeding methods suited to their food.

C.Animals do not need food once grown.

D.Only plants show nutrition.

Question 3mcq

Which sequence correctly shows the path of food in humans?

A.Mouth

\rightarrow

lungs

\rightarrow

stomach

\rightarrow

kidney

B.Stomach

\rightarrow

mouth

\rightarrow

small intestine

\rightarrow

oesophagus

C.Mouth

\rightarrow

oesophagus

\rightarrow

stomach

\rightarrow

small intestine

\rightarrow

large intestine

D.Mouth

\rightarrow

liver

\rightarrow

heart

\rightarrow

anus

Question 4mcq

In a labelled diagram of the digestive system, which organ should be shown between the oesophagus and the small intestine?

A.Lungs

B.Kidney

C.Windpipe

D.Stomach

Question 5mcq

Why is chewing food important before swallowing?

A.It breaks food into smaller pieces and mixes it with saliva.

B.It changes food directly into blood.

C.It removes all water from food.

D.It sends food into the windpipe.

Question 6mcq

A student says, 'Digestion starts only in the stomach.' Which correction is best?

A.Digestion starts in the large intestine only.

B.Digestion starts in the mouth, where saliva begins acting on food.

C.Digestion never needs enzymes.

D.Digestion starts after egestion.

Question 7mcq

What is the main role of villi in the small intestine?

A.They grind food like teeth.

B.They produce saliva in the mouth.

C.They increase surface area for absorption of digested food.

D.They store undigested waste.

Question 8mcq

Why does the small intestine receive juices from the liver and pancreas?

A.They turn food back into large pieces.

B.They stop all absorption.

C.They move food into the windpipe.

D.These juices help complete digestion of food.

Question 9mcq

What mainly happens in the large intestine?

A.Water is absorbed from undigested food.

B.Glucose is made by photosynthesis.

C.Food is first chewed by teeth.

D.Bile is produced inside villi.

Question 10mcq

Which statement correctly distinguishes absorption and egestion?

A.Absorption means chewing; egestion means swallowing.

B.Absorption moves useful digested food into blood; egestion removes undigested waste.

C.Absorption happens only in teeth; egestion makes glucose.

D.Both absorption and egestion mean the same thing.