Homework Practice

Printable assignment

Final Assessment: Nutrition in Animals

Section A: Feeding and Pathway

Question 1mcq

Which animal is correctly matched with sucking as a mode of feeding?

A.Mosquito

B.Cow

C.Earthworm

D.Hen

Question 2mcq

Why do animals show different modes of feeding?

A.All animals eat exactly the same food.

B.Their mouthparts and food sources are different.

C.Feeding method depends only on body colour.

D.Animals do not need energy from food.

Question 3mcq

Which organ connects the mouth to the stomach?

A.Small intestine

B.Large intestine

C.Oesophagus

D.Rectum

Question 4mcq

A diagram label points to the long coiled tube after the stomach where digestion is completed. Which label is correct?

A.Oesophagus

B.Large intestine

C.Mouth cavity

D.Small intestine

Question 5mcq

Which substance begins chemical digestion of starch in the mouth?

A.Saliva

B.Bile

C.Hydrochloric acid only

D.Undigested fibre

Question 6mcq

What does the wave-like movement of the food pipe help do?

A.Absorb all digested nutrients

B.Push swallowed food toward the stomach

C.Produce bile

D.Store undigested waste

Section B: Digestion and Absorption

Question 7mcq

Which organ is the major site of absorption of digested food?

A.Mouth

B.Oesophagus

C.Small intestine

D.Rectum

Question 8mcq

Why is bile useful in digestion even though it is not an enzyme?

A.It chews food into pieces.

B.It turns food into oxygen.

C.It absorbs water from faeces.

D.It helps break fats into tiny droplets so digestion becomes easier.

Question 9mcq

Which material is removed from the body during egestion?

A.Undigested waste

B.Absorbed glucose

C.Oxygen made by leaves

D.Fresh saliva

Question 10mcq

Why is the large intestine not the main organ for nutrient absorption?

A.The large intestine has teeth for chewing.

B.Most digested nutrients are absorbed earlier in the small intestine.

C.The large intestine produces all saliva.

D.Nutrients are absorbed only in the mouth.

Question 11mcq

What is cud?

A.Food absorbed into blood in humans

B.Waste egested by Amoeba

C.Partly digested food brought back to the mouth by ruminants for chewing

D.Bile released by the liver

Question 12mcq

Which statement about cellulose digestion is correct?

A.Humans digest cellulose fully in the mouth.

B.Cellulose is digested by teeth alone.

C.Cellulose is oxygen released by plants.

D.Ruminants digest cellulose with help from microbes.

Section C: Special Digestion

Question 13mcq

Which structure in Amoeba stores food while it is being digested?

A.Food vacuole

B.Stomach

C.Villi

D.Rumen

Question 14mcq

Why is it incorrect to say Amoeba swallows food through a mouth?

A.Amoeba has teeth but no stomach.

B.Amoeba has no fixed mouth; it uses pseudopodia to engulf food.

C.Amoeba is a ruminant animal.

D.Amoeba performs photosynthesis like a leaf.

Question 15mcq

Which meal habit is most likely to reduce choking risk?

A.Laugh loudly while swallowing large bites.

B.Swallow dry food without chewing.

C.Chew slowly and avoid talking while swallowing.

D.Eat while running fast.

Question 16mcq

A student avoids fibre and drinks little water. Which problem is more likely?

A.Extra photosynthesis

B.Faster digestion in Amoeba

C.More cud formation

D.Difficulty passing stool

Question 17mcq

The stomach releases acid. What is one useful role of this acid?

A.It helps kill many harmful microbes and supports digestion.

B.It turns food into air.

C.It absorbs all water from waste.

D.It forms pseudopodia.

Question 18mcq

If a person has poor absorption in the small intestine, which outcome is most likely?

A.Food will be chewed faster in the mouth.

B.The body may not get enough nutrients even if food is eaten.

C.The person will photosynthesize.

D.The large intestine will stop absorbing water completely.

Section D: Health and Mixed Reasoning

Question 19mcq

Which part of the alimentary canal stores faeces before removal?

A.Stomach

B.Oesophagus

C.Rectum

D.Mouth

Question 20mcq

A whale strains tiny organisms from water. Which feeding mode is this closest to?

A.Chewing

B.Rumination

C.Photosynthesis

D.Filter feeding

Question 21mcq

Assertion: Absorption and egestion are different processes. Reason: Absorption takes useful digested food into the body, while egestion removes undigested waste. Choose the correct option.

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

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

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

D.Both assertion and reason are false.

Question 22mcq

A goat eats grass quickly and later sits quietly chewing. What is happening?

A.Photosynthesis

B.Rumination

C.Egestion only

D.Amoeboid feeding

Question 23mcq

In Amoeba, what happens after food is digested in the food vacuole?

A.The food moves into an oesophagus.

B.The food becomes cud.

C.Useful substances are absorbed into the cytoplasm and waste is expelled.

D.The food forms teeth.

Question 24mcq

A child eats balanced food but often rushes meals without chewing. Which advice best uses digestion science?

A.Stop drinking water forever.

B.Avoid all fibre because it slows teeth.

C.Eat only sugar because it needs no digestion.

D.Chew properly because smaller pieces mix better with saliva and digest more easily.