Plant and Animal Nutrition

Which of the following substances is necessary for photosynthesis?

• Soil

• Sugar

• Oxygen

• Carbon dioxide

Tags

NGSS.MS-LS1-6

Which of the following equations summarises the process of photosynthesis?

• 
• 
• 
• 

Tags

NGSS.MS-LS1-6

Which of the following statements about fats is true?

• Fats keep us warm.

• Fats cannot be digested.

• Fats prevent constipation.

• Fats repair worn-out tissues.

Which diet, along with an unhealthy lifestyle, is likely to cause obesity?

• Eating a lot of fruits

• Eating a lot of yoghurt

• Eating a lot of vegetables

• Eating a lot of beef burgers

Why does food need to be digested?

• It is because food particles are too large to be absorbed.

• It is because food particles release energy during respiration.

• It is because food particles are too small to be stored in the body.

• It is because food particles may contain bacteria which will be killed by hydrochloric acid.

Tags

NGSS.MS-LS1-7

Which one of the following is true of enzymes?

• Enzymes are carbohydrates.

• Enzymes slow down chemical reactions.

• Enzymes are chemically changed at the end of the experiment.

• Enzymes help to break down large particles of food into smaller particles.

Tags

NGSS.MS-LS1-7

What is the final product of protein digestion?

• Glycerol

• Fatty acids

• Amino Acids

• Simple sugars

Tags

NGSS.MS-LS1-7

In which one of the following parts of the digestive system does digestion of carbohydrates occur?

• Mouth and stomach

• Mouth and small intestine

• Stomach and large intestine

• Small intestine and large intestine

Tags

NGSS.MS-LS1-7

Which one of the following statements about the stomach is false?

• The stomach is a muscular organ.

• Digestion of proteins begins in the stomach.

• The stomach secretes carbohydrates together with protease.

• The hydrochloric acid in the stomach helps protease to work.

Tags

NGSS.MS-LS1-7

Hazimah wanted to find out the factors that would affect photosynthesis. She prepared four set-ups using identical plants as shown and placed them near an open window.

In which one of her set-ups, would she expect the plant to photosynthesise.

• A

• B

• C

• D

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6