Homework Practice

Printable assignment

Nutrition in Animals: Ruminants, Amoeba and Health

Special Digestion and Health

Question 1mcq

Why does a cow bring swallowed food back to its mouth?

A.To perform photosynthesis in the mouth.

B.To breathe through the food pipe.

C.To chew cud again during rumination.

D.To remove all villi from the intestine.

Question 2mcq

Why can ruminants digest grass better than humans?

A.They do not need digestion at all.

B.Their teeth produce chlorophyll.

C.Their small intestine makes sunlight.

D.They have special stomach chambers and microbes that help digest cellulose.

Question 3mcq

How does Amoeba take in food?

A.It surrounds food with pseudopodia and forms a food vacuole.

B.It chews food with teeth.

C.It sucks nectar with a proboscis.

D.It swallows food through an oesophagus.

Question 4mcq

A diagram shows Amoeba extending finger-like projections around a food particle. What should those projections be labelled?

A.Villi

B.Pseudopodia

C.Molars

D.Rumen

Question 5mcq

Which habit best supports healthy digestion?

A.Eating very fast without chewing

B.Drinking no water throughout the day

C.Chewing food properly and eating a balanced diet with fibre

D.Skipping all vegetables permanently

Question 6mcq

A student often talks and laughs while swallowing food and sometimes coughs. Which explanation is most suitable?

A.Food is being absorbed by teeth.

B.The stomach is making oxygen.

C.Villi are chewing the food.

D.Food may enter the windpipe area if swallowing is not coordinated properly.

Question 7mcq

If the villi in the small intestine were damaged, which function would be most affected?

A.Absorption of digested nutrients into blood

B.Chewing of food in the mouth

C.Production of saliva

D.Rumination in the stomach of cows

Question 8mcq

Constipation is often linked with hard stools. Which digestive process is most directly connected?

A.Photosynthesis in leaves

B.Water absorption in the large intestine

C.Bile release in the liver only

D.Pseudopodia formation in Amoeba

Question 9mcq

Assertion: Humans cannot digest grass as efficiently as cows. Reason: Humans lack the ruminant stomach and cellulose-digesting microbes found in cows. Choose the correct option.

A.Both assertion and reason are true, but the reason does not explain the assertion.

B.The assertion is false but the reason is true.

C.Both assertion and reason are true, and the reason explains the assertion.

D.Both assertion and reason are false.

Question 10mcq

Which sequence best describes nutrition in Amoeba?

A.Chewing

\rightarrow

stomach

\rightarrow

rumen

\rightarrow

small intestine

B.Photosynthesis

\rightarrow

starch test

\rightarrow

oxygen release

C.Saliva

\rightarrow

oesophagus

\rightarrow

leaf stomata

D.Food engulfing

\rightarrow

food vacuole formation

\rightarrow

digestion

\rightarrow

absorption/use

\rightarrow

egestion