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Nutrition and Digestive System Quiz

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the primary process by which autotrophs synthesize food?

a)

Respiration

b)

Photosynthesis

c)

Decomposition

d)

Fermentation

2.

Which of the following is a product of photosynthesis?

a)

Nitrogen

b)

Hydrogen

c)

Glucose

d)

Carbon Dioxide

3.

What is the role of chlorophyll in photosynthesis?

a)

Releases oxygen

b)

Absorbs sunlight

c)

Produces glucose

d)

Absorbs water

4.

Which organ in the human digestive system is responsible for emulsifying fats?

a)

Liver

b)

Small Intestine

c)

Pancreas

d)

Stomach

5.

What type of nutrition do heterotrophic organisms exhibit?

a)

Photosynthetic

b)

Saprophytic

c)

Autotrophic

d)

Chemosynthetic

6.

Which of the following is a symptom of Kwashiorkor?

a)

Swollen limbs

b)

Night blindness

c)

Dry skin

d)

Fatigue

7.

What is the main function of the small intestine?

a)

Emulsification of fats

b)

Digestion of proteins

c)

Absorption of nutrients

d)

Storage of waste

8.

Which vitamin deficiency causes Scurvy?

a)

Vitamin B1

b)

Vitamin D

c)

Vitamin C

d)

Vitamin A

9.

What is the function of amylase in the digestive system?

a)

Breaks down carbohydrates

b)

Breaks down fats

c)

Breaks down proteins

d)

Emulsifies fats

10.

Which part of the chloroplast is involved in the light-dependent reactions?

a)

Cytoplasm

b)

Grana

c)

Stroma

d)

Thylakoids

11.

What is the primary role of the liver in digestion?

a)

Produces bile

b)

Stores food

c)

Breaks down carbohydrates

d)

Absorbs nutrients

12.

Which of the following is a characteristic of saprophytes?

a)

Ingest whole food

b)

Absorb nutrients from living hosts

c)

Break down food outside their body

d)

Photosynthesize

13.

What is the main cause of malnutrition?

a)

Excessive exercise

b)

Lack of essential nutrients

c)

Overeating

d)

Genetic factors

14.

Which enzyme is responsible for protein digestion in the stomach?

a)

Lipase

b)

Pepsin

c)

Trypsin

d)

Amylase

15.

What is the function of villi in the small intestine?

a)

Produce bile

b)

Transport waste

c)

Increase surface area for absorption

d)

Secrete digestive enzymes