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Biology Revision

Total questions: 62

Worksheet time: 29mins

Name
Class
Date
1.

Vitamin is a...

a)

Macronutrient

b)

Micronutrient

2.

Water is a...

a)

Macronutrient

b)

Micronutrient

3.

Carbohydrates are a...

a)

Macronutrient

b)

Micronutrient

4.

Fats are a...

a)

Macronutrient

b)

Micronutrient

5.

Fibre / Roughage are a...

a)

Macronutrient

b)

Micronutrient

6.

Minerals are a...

a)

Macronutrient

b)

Micronutrient

7.

Proteins are a...

a)

Macronutrient

b)

Micronutrient

8.

Basic Units of Carbohydrates.

a)

1 molecule glycerol +3 molecules fatty acids

b)

Glucose Units

c)

Amino Acids

9.

Basic Units of Proteins.

a)

1 molecule glycerol +3 molecules fatty acids

b)

Glucose Units

c)

Amino Acids

10.

Basic Units of Fats.

a)

1 molecule glycerol +3 molecules fatty acids

b)

Glucose Units

c)

Amino Acids

11.

Elements Present in Carbohydrates.

a)

carbon, hydrogen, oxygen

b)

carbon, hydrogen, oxygen, nitrogen

c)

carbon, hydrogen, oxygen, sulfate

d)

carbon, hydrogen, oxygen, nitrates

12.

Elements Present in Proteins.

a)

carbon, hydrogen, oxygen

b)

carbon, hydrogen, oxygen, nitrogen

c)

carbon, hydrogen, oxygen, phosphate

d)

carbon, hydrogen, oxygen, nitrates

13.

Identify the tests used to find out the presence of nutrients in Carbohydrates.

a)

Emulsion Test

b)

Benedict Test

c)

Iodine Test

d)

Biuret Test

14.

Identify the tests used to find out the presence of nutrients in Complex Carbohydrates.

a)

Emulsion Test

b)

Benedict Test

c)

Iodine Test

d)

Biuret Test

15.

Identify the tests used to find out the presence of nutrients in Proteins.

a)

Emulsion Test

b)

Benedict Test

c)

Iodine Test

d)

Biuret Test

16.

Identify the tests used to find out the presence of nutrients in Fats.

a)

Emulsion Test

b)

Benedict Test

c)

Iodine Test

d)

Biuret Test

17.

Find the correct type of carbohydrate in starch.

a)

Reducing or simple carbohydrates

b)

Complex carbohydrate

18.

Find the correct type of carbohydrate in glucose.

a)

Reducing or simple carbohydrates

b)

Complex carbohydrate

19.

Different nutrients release different amount of energy. Select the appropriate energy released by fats.

a)

16 KJ

b)

37 KJ

20.

Different nutrients release different amount of energy. Select the appropriate energy released by Proteins.

a)

16 KJ

b)

37 KJ

21.

Adam is an athlete, whenever he runs he needs a quick burst of energy, so he consumes glucose water which don't need to be digested. To which nutrient does glucose belong to?

a)

Carbohydrates

b)

Proteins

c)

Fats

22.

This nutrient is made from 20 different components called amino acids. They are complex than starch. What is the importance of this nutrient in our body?

a)

packed with energy and quick release of them

b)

helps in repair of damage cells, growth of new cells and build muscle fibres

c)

expand to store excess food for later

23.

Arina eats a french fries which contains 41g of carbohydrates and an egg which contains 13g of proteins. Calculate the energy obtained from carbohydrates and proteins.

a)

656 KJ and 208 KJ

b)

208 KJ and 468 KJ

c)

560 KJ and 208 KJ

d)

1234 KJ and 333 KJ

24.

Arina eats a french fries which contains 41g of carbohydrates and an egg which contains 13g of proteins. Calculate the energy obtained from carbohydrates and proteins. What was the total amount of energy?

a)

684 KJ

b)

864 KJ

c)

486 KJ

d)

1765 KJ

25.

The total fat content in coconut is 63 g/100g. The amount of saturated fat in it is 16g/100g. What is the amount of unsaturated fat in it?

a)

47 g

b)

57 g

c)

67 g

d)

77 g

26.

Which is the correct formula to calculate the temperature rise in 1 gram of food?

a)

Temperature rise per gram = temperature rise [ multiplied by] mass of food used

b)

Temperature rise per gram = temperature rise [ added by] mass of food used

c)

Temperature rise per gram = temperature rise [ divided by] mass of food used

27.

Students need to eat around 2000 kilocalories per day, which is about 8000 kJ. Each gram of fat supplies 37 kJ per gram. How much fat would you need to eat to get 40% of your daily energy requirements?

a)

68.5 grams

b)

86.5 grams

c)

97.6 grams

d)

56.8 grams

28.

Name the 2 types of essential fatty acids which our cells need but can't make them.

a)

only omega 3 fatty acids

b)

only omega 6 fatty acids

c)

both omega 3 and omega 6 fatty acids

29.

Which nutrient helps in regulating body temperature, transport substances around the body and participates in all chemical reactions of the cell?

a)

Vitamins

b)

Minerals

c)

Water

d)

Fibres

30.

During the tests for food, if the food sample is tested positive what changes do we see in the Iodine Test?

a)

Turns brick red

b)

Turns cloudy

c)

Turns purple

d)

Turns blue black

31.

During the tests for food, if the food sample is tested positive what changes do we see in the Benedict Test?

a)

Turns brick red

b)

Turns cloudy

c)

Turns purple

d)

Turns blue black

32.

During the tests for food, if the food sample is tested positive what changes do we see in the Ethanol emulsion Test?

a)

Turns brick red

b)

Turns cloudy

c)

Turns purple

d)

Turns blue black

33.

During the tests for food, if the food sample is tested positive what changes do we see in the Biuret Test?

a)

Turns brick red

b)

Turns cloudy

c)

Turns purple

d)

Turns blue black

34.

Disease caused by excess of Carbohydrates?

a)

Heart disease

b)

Kwashiorkor

c)

Obesity and tooth decay

35.

Disease caused by excess of Fats?

a)

Heart disease

b)

Kwashiorkor

c)

Obesity and tooth decay

36.

Disease caused by excess of Deficiency of Proteins?

a)

Heart disease

b)

Kwashiorkor

c)

Obesity and tooth decay

37.

18. Identify the best source of Carbohydrates?

a)

Cassava

b)

Beans

c)

Fruits & Vegetables

38.

18. Identify the best source of Water?

a)

Cassava

b)

Beans

c)

Fruits & Vegetables

39.

Name the test used to determine the presence of protein?

a)

Iodine Test

b)

Biuret Test

c)

Emulsion Test

d)

Benedict Test

40.

Name the test used to determine the presence of Starch?

a)

Iodine Test

b)

Biuret Test

c)

Emulsion Test

d)

Benedict Test

41.

Name the test used to determine the presence of Fat?

a)

Iodine Test

b)

Biuret Test

c)

Emulsion Test

d)

Benedict Test

42.

Name the test used to determine the presence of Sugar?

a)

Iodine Test

b)

Biuret Test

c)

Emulsion Test

d)

Benedict Test

43.

Patient feels very tired and looks pale all the time.


Choose which nutrient the patient needs more of?

a)

Carbohydrates

b)

Vitamin C

c)

Protein

d)

Iron

e)

Vitamin A

44.

Patient has bleeding gums and is missing a few teeth.


Choose which nutrient the patient needs more of?

a)

Carbohydrates

b)

Vitamin C

c)

Protein

d)

Iron

e)

Vitamin A

45.

Patient is a child whose belly is very often swollen.


Choose which nutrient the patient needs more of?

a)

Carbohydrates

b)

Vitamin C

c)

Protein

d)

Iron

e)

Vitamin A

46.

Patient feels weak when she exercise and is often tired during the day.


Choose which nutrient the patient needs more of?

a)

Carbohydrates

b)

Vitamin C

c)

Protein

d)

Iron

e)

Vitamin A

47.

Patient E finds it difficult to see objects in dim light but her vision is fine in well-lit room.


Choose which nutrient the patient needs more of?

a)

Carbohydrates

b)

Vitamin C

c)

Protein

d)

Iron

e)

Vitamin A

48.

How Vitamin D helps to strengthen the bones and teeth?

a)

by producing calcium

b)

by absorbing calcium

c)

none of the above

49.

Choose correct answer to match each piece of apparatus to the activity.


Collecting ground dwelling animals which are active and hunt at night

a)

Pitfall trap method

b)

Quadrat method

c)

Sweep net method

50.

Choose correct answer to match each piece of apparatus to the activity.


Sampling aquatic insects in a small stream

a)

Pitfall trap method

b)

Quadrat method

c)

Sweep net method

51.

Choose correct answer to match each piece of apparatus to the activity.


Sampling plants or flowers

a)

Pitfall trap method

b)

Quadrat method

c)

Sweep net method

52.

Name the disease caused due to lack of Vitamin A.

a)

Rickets

b)

Scurvy and poor wound healing

c)

Night Blindness

d)

Beri-Beri

e)

Anemia

53.

Name the disease caused due to lack of Vitamin B.

a)

Rickets

b)

Scurvy and poor wound healing

c)

Night Blindness

d)

Beri-Beri

e)

Anemia

54.

Name the disease caused due to lack of Vitamin C.

a)

Rickets

b)

Scurvy and poor wound healing

c)

Night Blindness

d)

Beri-Beri

e)

Anemia

55.

Name the disease caused due to lack of Iron.

a)

Rickets

b)

Scurvy and poor wound healing

c)

Night Blindness

d)

Beri-Beri

e)

Anemia

56.

Name the disease caused due to lack of Sodium.

a)

Rickets

b)

Irregular Heartbeat

c)

Night Blindness

d)

Beri-Beri

e)

Anemia

57.

Sam and Sandra cleans their teeth carefully twice a day. Sam has healthier teeth than Sandra. What might cause this difference?

a)

Sam eats less sugary foods

b)

Sandra eats more fatty foods

c)

Sam does not eat meat

d)

Sandra eats fruits and vegetables

58.

The sandwich consists of layers of meat, lettuce and butter placed between slices of bread.


What is the Carbohydrate and Protein?

a)

Lettuce and Cheese

b)

Butter and Bread

c)

Bread and Meat

d)

Lettuce and Meat

59.

Mitchell lives near a pond. She calculates the estimated population of the fish using mark and recapture method.


No .of fish she caught and marked last week - 10 fish, No. of fish caught second time - 10 fish. Only one of them was already was already marked.

a)

10

b)

100

c)

1000

d)

None of the Above

60.

What is the amount of energy produced by starch and oil per gram?

a)

37 KJ and 16 KJ

b)

23 KJ and 16 KJ

c)

37 KJ and 240 KJ

d)

16 KJ and 37 KJ

61.

Winter in Bahrain was very cold this year. So why did we prefer to have fatty foods?

a)

it protects us from diseases

b)

prevents anemia

c)

keeps our body warm

d)

none of the above

62.

It is advised not to consume excess of fatty food. Why?

a)

it causes scurvy

b)

it causes heart diseases and obesity

c)

it causes kwashiorkor

d)

it causes brittle bones