Class 5 Science Nutrition and Human system – Notes Question Answers
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Multiple choice questions (15*1=15)
1.) The nutrient that is essential for repairing and building muscles in the body is?
a) Vitamins
b) Minerals
c) Proteins
d) Fats
Answer: c) Proteins
2.) Which is a good source of carbohydrates?
a) Meat and fish
b) Dairy products
c) Grains and cereals
d) Fruits and vegetables
Answer: c) Grains and cereals
3.) Which of the following is an example of junk food?
a) Yogurt
b) Bread
c) Pizza
d) Apple
Answer: c) Pizza
4.) Which organ in the body helps in the digestion and absorption of nutrients?
a) Kidney
b) Lungs
c) Stomach
d) Brain
Answer: c) Stomach
5.) Which of the following organ is responsible for filtering waste products from the body?
a) Liver
b) Kidneys
c) Heart
d) Stomach
Answer: b) Kidneys
6.) How many parts does the human heart have?
a) 10
b) 5
c) 7
d) 4
Answer: d) 4
7.) Which of the following nutrient releases maximum energy?
a) Carbohydrates
b) Proteins
c) Fats
d) Vitamins
Answer: c) Fats
8.) Which of the following food is a good source of fiber?
a) White rice
b) Broccoli
c) Butter
d) Soda
Answer: b) Broccoli
9.) What is the main function of the respiratory system in the human body?
a) Pump blood
b) Digest food
c) Exchange oxygen and carbon dioxide
d) Filter waste
Answer: c) Exchange oxygen and carbon dioxide
10.) What is the primary function of the skeleton?
a) To help us breathe
b) To provide support and protection to internal organs
c) To digest food
d) To pump blood
Answer: b) To provide support and protection to internal organs
11.) Which blood vessels carry oxygen-rich blood away from the heart?
a) Veins
b) Capillaries
c) Arteries
d) Aorta
Answer: c) Arteries
12.) Which food group is a good source of proteins?
a) Fruits
b) Vegetables
c) Dairy products
d) Meat and lentils
Answer: d) Meat and lentils
13.) What should you avoid from your diet to maintain healthy eating habits?
a) Water intake
b) Exercise
c) Junk foods
d) Vegetables
Answer: c) Junk foods
14.) Which vitamin is essential for maintaining healthy skin and vision?
a) Vitamin C
b) Vitamin E
c) Vitamin A
d) Vitamin B12
Answer: c) Vitamin A
15.) The process of breaking down food in the body to release energy is?
a) Digestion
b) Circulation
c) Respiration
d) Photosynthesis
Answer: a) Digestion
Match the following charts (5*1=5)
Chart A | Chart B |
a. Heart | 1. Protein |
b. Milk | 2. Healthy food |
c. Carbohydrate | 3. Fat |
d. Oil | 4. Pumping machine |
e. Meat | 5. Energy |
Answer: a-4, b-2, c-5, d- 3, e-1
State true/false in the following sentences (10*1=10)
1.) The three main nutrients essential for our body are carbohydrates, proteins, and vitamins.
Answer: True
2.) Blood carries oxygen to different parts of the body through red blood cells.
Answer: True
3.) The lungs are part of the circulatory system responsible for pumping blood throughout the body.
Answer: False
4.) Muscles help us move our body parts and are attached to our bones.
Answer: True
5.) Ice creams and junk foods are good sources of vitamins and minerals.
Answer: False
6.) True or False: The stomach is where digestion of food begins.
Answer: False
7.) Bones in our body remain the same size as we grow.
Answer: False
8.) The brain is responsible for controlling all our body’s activities.
Answer: True
9.) Calcium is an essential nutrient for strong bones and teeth
Answer: True
10.) Our body needs more energy when we are sleeping than when we are awake.
Answer: False
Short answer questions (10*1=10)
1.) Name the three groups of food.
Answer: The three energy giving food groups are: Energy giving food, protective food and body building food.
2.) Why is fiber good for our health?
Answer: Fiber helps in regular bowel movement and enhance overall gut health.
3.) What is the protective food?
Answer: Foods containing rich vitamin and minerals are called protective food. Example: fruits, vegetables and milk.
4.) Why is having junk food bad for our body?
Answer: Having too much junk food results lack of nutrients and can lead to several diseases like obesity, diabetes, high cholesterol etc.
5.) What is malnourishment?
Answer: Malnourishment is a health situation occurred due to lack of nutrients, poor diet or any underlying health condition.
6.) Why our heart beat gets faster when we run or jump?
Answer: When we run or jump our body requires more oxygen, so our heart pumps faster to provide more blood to the body.
7.) What are the two kinds of blood vessels?
Answer: The two kinds of blood vessels are arteries and veins.
8.) What is the function of lungs in our body?
Answer: The main function of the lungs is to bring oxygen to our body and remove carbon dioxide from our body through respiration.
9.) Name the muscles that help in playing football?
Answer: The muscles that help when playing football are hamstrings and calves.
10.) Which is the longest bone in our body?
Answer: The longest bone in our body is the femur bone.
Descriptive question answer (1*5=5)
1.) What is human skeleton? Name the different bones in a human body and draw a labeled diagram of a human skeleton.
Answer: The human skeleton the internal bone structure of human body that gives body its shape helps in movement, protect internal organs and produce blood cells. The different bones of human body are as follows:
- Skull – cranium
- Spine – cervical, lumbar vertebrae and thoracic, tailbone and sacrum
- Chest – ribs and breastbone
- Arms –scapula, collar bone, humerus, radius and ulna
- Hands – wrist bones, phalanges and metacarpals
- Pelvis – hip bones thoracic
- Legs – thigh bone, kneecap, shin bone and fibula
- Feet – tarsus, metatarsals and phalanges
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