WorksheetsBiology Revision
Total questions: 62
Worksheet time: 29mins
Vitamin is a...
Macronutrient
Micronutrient
Water is a...
Macronutrient
Micronutrient
Carbohydrates are a...
Macronutrient
Micronutrient
Fats are a...
Macronutrient
Micronutrient
Fibre / Roughage are a...
Macronutrient
Micronutrient
Minerals are a...
Macronutrient
Micronutrient
Proteins are a...
Macronutrient
Micronutrient
Basic Units of Carbohydrates.
1 molecule glycerol +3 molecules fatty acids
Glucose Units
Amino Acids
Basic Units of Proteins.
1 molecule glycerol +3 molecules fatty acids
Glucose Units
Amino Acids
Basic Units of Fats.
1 molecule glycerol +3 molecules fatty acids
Glucose Units
Amino Acids
Elements Present in Carbohydrates.
carbon, hydrogen, oxygen
carbon, hydrogen, oxygen, nitrogen
carbon, hydrogen, oxygen, sulfate
carbon, hydrogen, oxygen, nitrates
Elements Present in Proteins.
carbon, hydrogen, oxygen
carbon, hydrogen, oxygen, nitrogen
carbon, hydrogen, oxygen, phosphate
carbon, hydrogen, oxygen, nitrates
Identify the tests used to find out the presence of nutrients in Carbohydrates.
Emulsion Test
Benedict Test
Iodine Test
Biuret Test
Identify the tests used to find out the presence of nutrients in Complex Carbohydrates.
Emulsion Test
Benedict Test
Iodine Test
Biuret Test
Identify the tests used to find out the presence of nutrients in Proteins.
Emulsion Test
Benedict Test
Iodine Test
Biuret Test
Identify the tests used to find out the presence of nutrients in Fats.
Emulsion Test
Benedict Test
Iodine Test
Biuret Test
Find the correct type of carbohydrate in starch.
Reducing or simple carbohydrates
Complex carbohydrate
Find the correct type of carbohydrate in glucose.
Reducing or simple carbohydrates
Complex carbohydrate
Different nutrients release different amount of energy. Select the appropriate energy released by fats.
16 KJ
37 KJ
Different nutrients release different amount of energy. Select the appropriate energy released by Proteins.
16 KJ
37 KJ
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?
Carbohydrates
Proteins
Fats
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?
packed with energy and quick release of them
helps in repair of damage cells, growth of new cells and build muscle fibres
expand to store excess food for later
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.
656 KJ and 208 KJ
208 KJ and 468 KJ
560 KJ and 208 KJ
1234 KJ and 333 KJ
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?
684 KJ
864 KJ
486 KJ
1765 KJ
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?
47 g
57 g
67 g
77 g
Which is the correct formula to calculate the temperature rise in 1 gram of food?
Temperature rise per gram = temperature rise [ multiplied by] mass of food used
Temperature rise per gram = temperature rise [ added by] mass of food used
Temperature rise per gram = temperature rise [ divided by] mass of food used
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?
68.5 grams
86.5 grams
97.6 grams
56.8 grams
Name the 2 types of essential fatty acids which our cells need but can't make them.
only omega 3 fatty acids
only omega 6 fatty acids
both omega 3 and omega 6 fatty acids
Which nutrient helps in regulating body temperature, transport substances around the body and participates in all chemical reactions of the cell?
Vitamins
Minerals
Water
Fibres
During the tests for food, if the food sample is tested positive what changes do we see in the Iodine Test?
Turns brick red
Turns cloudy
Turns purple
Turns blue black
During the tests for food, if the food sample is tested positive what changes do we see in the Benedict Test?
Turns brick red
Turns cloudy
Turns purple
Turns blue black
During the tests for food, if the food sample is tested positive what changes do we see in the Ethanol emulsion Test?
Turns brick red
Turns cloudy
Turns purple
Turns blue black
During the tests for food, if the food sample is tested positive what changes do we see in the Biuret Test?
Turns brick red
Turns cloudy
Turns purple
Turns blue black
Disease caused by excess of Carbohydrates?
Heart disease
Kwashiorkor
Obesity and tooth decay
Disease caused by excess of Fats?
Heart disease
Kwashiorkor
Obesity and tooth decay
Disease caused by excess of Deficiency of Proteins?
Heart disease
Kwashiorkor
Obesity and tooth decay
18. Identify the best source of Carbohydrates?
Cassava
Beans
Fruits & Vegetables
18. Identify the best source of Water?
Cassava
Beans
Fruits & Vegetables
Name the test used to determine the presence of protein?
Iodine Test
Biuret Test
Emulsion Test
Benedict Test
Name the test used to determine the presence of Starch?
Iodine Test
Biuret Test
Emulsion Test
Benedict Test
Name the test used to determine the presence of Fat?
Iodine Test
Biuret Test
Emulsion Test
Benedict Test
Name the test used to determine the presence of Sugar?
Iodine Test
Biuret Test
Emulsion Test
Benedict Test
Patient feels very tired and looks pale all the time.
Choose which nutrient the patient needs more of?
Carbohydrates
Vitamin C
Protein
Iron
Vitamin A
Patient has bleeding gums and is missing a few teeth.
Choose which nutrient the patient needs more of?
Carbohydrates
Vitamin C
Protein
Iron
Vitamin A
Patient is a child whose belly is very often swollen.
Choose which nutrient the patient needs more of?
Carbohydrates
Vitamin C
Protein
Iron
Vitamin A
Patient feels weak when she exercise and is often tired during the day.
Choose which nutrient the patient needs more of?
Carbohydrates
Vitamin C
Protein
Iron
Vitamin A
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?
Carbohydrates
Vitamin C
Protein
Iron
Vitamin A
How Vitamin D helps to strengthen the bones and teeth?
by producing calcium
by absorbing calcium
none of the above
Choose correct answer to match each piece of apparatus to the activity.
Collecting ground dwelling animals which are active and hunt at night
Pitfall trap method
Quadrat method
Sweep net method
Choose correct answer to match each piece of apparatus to the activity.
Sampling aquatic insects in a small stream
Pitfall trap method
Quadrat method
Sweep net method
Choose correct answer to match each piece of apparatus to the activity.
Sampling plants or flowers
Pitfall trap method
Quadrat method
Sweep net method
Name the disease caused due to lack of Vitamin A.
Rickets
Scurvy and poor wound healing
Night Blindness
Beri-Beri
Anemia
Name the disease caused due to lack of Vitamin B.
Rickets
Scurvy and poor wound healing
Night Blindness
Beri-Beri
Anemia
Name the disease caused due to lack of Vitamin C.
Rickets
Scurvy and poor wound healing
Night Blindness
Beri-Beri
Anemia
Name the disease caused due to lack of Iron.
Rickets
Scurvy and poor wound healing
Night Blindness
Beri-Beri
Anemia
Name the disease caused due to lack of Sodium.
Rickets
Irregular Heartbeat
Night Blindness
Beri-Beri
Anemia
Sam and Sandra cleans their teeth carefully twice a day. Sam has healthier teeth than Sandra. What might cause this difference?
Sam eats less sugary foods
Sandra eats more fatty foods
Sam does not eat meat
Sandra eats fruits and vegetables
The sandwich consists of layers of meat, lettuce and butter placed between slices of bread.
What is the Carbohydrate and Protein?
Lettuce and Cheese
Butter and Bread
Bread and Meat
Lettuce and Meat
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.
10
100
1000
None of the Above
What is the amount of energy produced by starch and oil per gram?
37 KJ and 16 KJ
23 KJ and 16 KJ
37 KJ and 240 KJ
16 KJ and 37 KJ
Winter in Bahrain was very cold this year. So why did we prefer to have fatty foods?
it protects us from diseases
prevents anemia
keeps our body warm
none of the above
It is advised not to consume excess of fatty food. Why?
it causes scurvy
it causes heart diseases and obesity
it causes kwashiorkor
it causes brittle bones
