SCIENCE-(30 MCQs: T-TET PAPER-II, PART-V) Food and Nutrition: definition , sources of food, components of food, type of food, balanced food, ideal food, nutrition and its importance, cleaning food, human digestive system and digestion process, food adulteration, plant nutrition (autotroph, heterotroph, parasite, insectivorous, plants, symbiosis, interrelationship between plants and animals (coexistence),
T-TET PAPER-II Science (Part-V) Food and Nutrition - 100 Short Questions with Answers
T-TET PAPER-II SCIENCE (PART-V)
Food and Nutrition – 100 Short Type Questions with Answers
What is food? Ans: Food is any substance that provides energy and nutrients to living organisms.
What is nutrition? Ans: Nutrition is the process of taking food and utilizing it for growth and energy.
Why is food essential? Ans: Food is essential for growth, repair and energy production.
Name the main components of food. Ans: Carbohydrates, proteins, fats, vitamins, minerals, water and roughage.
Which nutrient is the main source of energy? Ans: Carbohydrates.
Name two carbohydrate-rich foods. Ans: Rice and wheat.
Which nutrient helps in body building? Ans: Protein.
Name two protein-rich foods. Ans: Fish and pulses.
Which nutrient provides stored energy? Ans: Fat.
Name two fat-rich foods. Ans: Butter and ghee.
What are vitamins? Ans: Protective nutrients required in small quantities.
What is the source of Vitamin A? Ans: Carrot and mango.
Deficiency of Vitamin A causes which disease? Ans: Night blindness.
What is the source of Vitamin C? Ans: Lemon and orange.
Deficiency of Vitamin C causes? Ans: Scurvy.
What is the source of Vitamin D? Ans: Sunlight, fish oil and egg yolk.
Deficiency of Vitamin D causes? Ans: Rickets.
What are minerals? Ans: Inorganic substances needed for proper body functions.
Name an iron-rich food. Ans: Spinach.
Deficiency of iron causes? Ans: Anaemia.
Why is calcium important? Ans: For strong bones and teeth.
Name a calcium-rich food. Ans: Milk.
What is roughage? Ans: Indigestible fibre present in food.
Why is roughage important? Ans: It helps bowel movement.
Why is water essential? Ans: It helps digestion and transport of nutrients.
What is a balanced diet? Ans: A diet containing all nutrients in proper proportion.
What is an ideal diet? Ans: A diet suitable according to age, sex and health.
Name the three types of food based on function. Ans: Energy-giving, body-building and protective foods.
What are energy-giving foods? Ans: Foods rich in carbohydrates and fats.
What are body-building foods? Ans: Foods rich in proteins.
What are protective foods? Ans: Foods rich in vitamins and minerals.
Why should food be cleaned? Ans: To remove dirt and germs.
What is food hygiene? Ans: Maintaining cleanliness while handling food.
Which organ starts digestion? Ans: Mouth.
What is digestion? Ans: Breakdown of complex food into simple absorbable substances.
What is saliva? Ans: Digestive juice secreted in the mouth.
Which enzyme is present in saliva? Ans: Salivary amylase.
What is the function of teeth? Ans: Chewing food.
Which tube carries food from mouth to stomach? Ans: Oesophagus.
Where is food stored temporarily? Ans: Stomach.
Which acid is present in the stomach? Ans: Hydrochloric acid.
Which organ secretes bile? Ans: Liver.
Where is bile stored? Ans: Gall bladder.
What is the function of bile? Ans: Helps digestion of fats.
Which gland secretes pancreatic juice? Ans: Pancreas.
Where does most digestion occur? Ans: Small intestine.
Where are nutrients absorbed? Ans: Small intestine.
What is the function of villi? Ans: Absorption of digested food.
What is egestion? Ans: Removal of undigested food.
Which organ stores faeces? Ans: Rectum.
What is food adulteration? Ans: Mixing inferior or harmful substances with food.
Give one example of food adulteration. Ans: Water mixed with milk.
Why is food adulteration harmful? Ans: It causes health problems.
What is nutrition in plants? Ans: Process by which plants obtain food.
What are autotrophs? Ans: Organisms that prepare their own food.
Name an autotrophic organism. Ans: Green plant.
What is photosynthesis? Ans: Process of food preparation by green plants.
Which pigment is required for photosynthesis? Ans: Chlorophyll.
What are heterotrophs? Ans: Organisms depending on others for food.
Name a heterotrophic organism. Ans: Human beings.
What is a parasite? Ans: Organism living on another organism and obtaining food.
Name a parasitic plant. Ans: Cuscuta.
What is an insectivorous plant? Ans: Plant that traps insects for nutrition.
Name an insectivorous plant. Ans: Pitcher plant.
Why do insectivorous plants trap insects? Ans: To obtain nitrogen.
What is symbiosis? Ans: Living together for mutual benefit.
Give an example of symbiosis. Ans: Lichen.
What is lichen? Ans: Association of algae and fungi.
How do plants depend on animals? Ans: For pollination and seed dispersal.
How do animals depend on plants? Ans: For food and oxygen.
What is coexistence? Ans: Living together in harmony.
Why are green plants called producers? Ans: They produce their own food.
Why are animals called consumers? Ans: They consume food prepared by others.
What is a food chain? Ans: Sequence of organisms through which food passes.
Who are primary consumers? Ans: Herbivores.
What are decomposers? Ans: Organisms that decompose dead matter.
Name one decomposer. Ans: Bacteria.
What is malnutrition? Ans: Lack of proper nutrition.
What is undernutrition? Ans: Insufficient intake of nutrients.
What is overnutrition? Ans: Excess intake of nutrients.
What disease is caused by protein deficiency? Ans: Kwashiorkor.
What disease is caused by protein-energy deficiency? Ans: Marasmus.
Why should vegetables be washed before cooking? Ans: To remove dirt and pesticides.
What is pasteurization? Ans: Heating milk to kill germs.
Why should food be covered? Ans: To prevent contamination.
What is contamination? Ans: Presence of harmful substances in food.
Which nutrient helps wound healing? Ans: Protein.
Which vitamin helps blood clotting? Ans: Vitamin K.
Which vitamin helps healthy skin? Ans: Vitamin A.
What is the role of iodine? Ans: Proper functioning of thyroid gland.
Deficiency of iodine causes? Ans: Goitre.
What is a nutrient? Ans: A substance that nourishes the body.
What is metabolism? Ans: Sum of all chemical reactions in the body.
What is the importance of nutrition? Ans: Growth, energy and maintenance of health.
What is a healthy diet? Ans: A balanced and nutritious diet.
Why should junk food be avoided? Ans: It may cause obesity and diseases.
Which food group includes fruits and vegetables? Ans: Protective foods.
What is the ultimate source of energy for life? Ans: The Sun.
What is the importance of food? Ans: It sustains life and health.
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