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Worksheets

molecular biology

Total questions: 24

Worksheet time: 35mins

Name
Class
Date
1.

What are the products of cellular respiration?

a)

oxygen and sugar

b)

oxygen and water

c)

carbon dioxide and sugar

d)

carbon dioxide and water

2.

main type of sugar found in the blood.

a)

Glucose

b)

Lipids

c)

Protein

d)

Meiosis

3.

organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy

a)

Cell Membrane

b)

Mitochondria

c)

Carbohydrates

d)

Chloroplast

4.

Powerhouse of the cell, organelle that is the site of ATP (energy) production

a)

Chloroplast

b)

Cell Membrane

c)

Mitosis

d)

Mitochondria

5.

Plants use the sun's energy to convert water and carbon dioxide into sugars

a)

Chemical Energy

b)

Photosynthesis

c)

Cellular Respiration

d)

Mitochondria

6.

Which of the following are basic needs for plants to make food.

a)

Water and oxygen

b)

Acid rain

c)

Sunlight, CO2, and water

d)

Sunlight and Glucose

7.
Which best explains why some fats are recommended as part of a healthy diet?
a)
Fats provide the body with the chemicals necessary for controlling the pH of the blood.
b)
Fats act as a catalyst, reacting with the sugars in fruits and vegetables.
c)
Fats provide the body and its organs with insulation and protection.
8.

Main source of energy for the body

a)

proteins

b)

carbohydrates

c)

fats

d)

vitamins

9.

Units that measure the energy used by the body and the energy that foods supply to the body.

a)
Nutrients
b)
Calories
c)
Appetite
d)
Nutrition
10.

Nuts, oils and avocado are health sources of....

a)
Fiber
b)
Protein
c)
Minerals
d)
Fat
11.
Which nutrient helps build and repair muscles, cells and tissues in the body?
a)
Carbohydrates
b)
Protein
c)
Fats
d)
Minerals
12.
Which part of a plant captures the light energy used in photosynthesis?
a)
guard cells
b)
chlorophyll
c)
roots
13.

In which part of the cell does cellular respiration take place?

a)

mitochondria

b)

chloroplasts

c)

cell membrane

d)

ribosome

14.

Which food can provide the most amount of energy in the shortest time?

a)

fruit

b)

chips

c)

meat

d)

milk

15.

A person who has a sedentary (inactive) lifestyle takes in more calories than his required daily needs. What could probably happen if this practice continues?

a)

The person's weight will increase

b)

The person's weight will decrease

c)

The person will develop malnutrition

d)

The person will maintain a healthy weight

16.

A substance you need to grow and live is called a

a)

Balanced diet

b)

Nutrient

c)

Calorie

d)

Myplate

17.

This type of nutrient is needed in larger amounts and includes proteins, fats, and carbohydrates

a)

Carbohydrate

b)

Micronutrient

c)

Mineral

d)

Macronutrient

18.

A collection of chemical reactions that takes place in the body's cells. Determines the rate at which our bodies break down and use food for energy.

a)

Calorie

b)

Metabolism

c)

Nutrition

d)

Nutrient

19.

What are the two types of carbohydrates?

a)

simple and complex

b)

complete and incomplete

c)

water soluble and fat soluble

d)

mechanical and chemical

20.

What are the 3 types of fats?

a)

simple, complex and fiber

b)

trans, unsaturated and saturated

c)

vitamin A, B and C

d)

carbs, fats and protein

21.

Select the best source of protein

a)

Butter

b)

Rice

c)

Fish

d)

Fruit

22.

Select the best source of carbohydrate

a)

Butter

b)

Rice

c)

Fish

d)

Fruit

23.

About how many calories should a peroson eat a day?

a)

2,000

b)

10,000

c)

200

d)

25

24.

What happens if a person burns/uses more calories then they eat?

a)

They lose weight

b)

They gain weight

c)

nothing