Topic: Dependence of Human Being on Plants
Class: 6th Standard
Subject: Science
Teacher : Good Morning, Students
Pupil : Good Morning, Teacher
Teacher : What are the three great necessities of life?
Pupil : The three great necessities of life are food, clothing and shelter.
Teacher : How are Human beings dependent on Plants?
Pupil : Human beings dependent on Plants for food, clothing and shelter.
Teacher : What is necessary for the existence of all living things?
Pupil : Food is necessary for the existence of all living things.
Teacher : List out the various foods manufactured by green plants.
Pupil : Carbohydrates, fats, proteins, mineral salts, organic acids and vitamins from raw materials are the various foods manufactured by green plants.
Teacher : Which one is the most important source of food for human being?
Pupil : Cereals is the most important source of food for human being.
Teacher : Give an example for Cereals.
Pupil : Rice is an example for Cereals.
Teacher : What material did the pulses contain more?
Pupil : The pulses contain more protein material.
Teacher : Mention some examples for pulses
Pupil : Pea, groundnut, bean, gram and soyabean are some examples for pulses.
Teacher : Which sources are rich in vegetables?
Pupil : Mineral salt and vitamin sources are rich in vegetables.
Teacher : List out the vegetables that are rich in mineral salts and vitamins.
Pupil : Potato, onion, carrot, lady’s finger, lettuce, etc. are rich in mineral salts and vitamins.
Teacher : How much water content is seen in fruits?
Pupil : 80% of water content is seen in fruits.
Teacher : Which food is considered as an energy producer?
Pupil : Sugar is considered as an energy producer.
Teacher : From which plant, sugar is obtained?
Pupil : Sugar is obtained from sugarcane.
Teacher : From which seeds, the oils are extracted?
Pupil : The oils are extracted from the seeds of groundnut, mustard, sunflower, coconut, etc.
Teacher : Why did the spices is added to dishes?
Pupil : Spices add flavour and aroma to dishes. So it is added to dishes.
Teacher : Name some of the familiar spices.
Pupil : The familiar spices are turmeric, pepper, fennel seed, coriander, cumin, cloves, etc.
Teacher : Name the liquid preparation that is considered as stimulants?
Pupil : Tea is the liquid preparation that is considered as stimulants.
Teacher : From which part of the tea plant, tea is obtained?
Pupil : Tea is obtained from dried young shoots of the tea bush.
Teacher : Name the plants which provide fiber.
Pupil : Cotton, Jute, etc. are the plants that provide fiber.
Teacher : What are the uses of fibers?
Pupil : Clothes are made of cotton, ropes and mats are made of coir from coconut and ropes and gunny bags, etc. are manufactured from jute.
Teacher : Name the two Medicinal plants.
Pupil : The two Medicinal plants are Tulsi and Neem.
Teacher : Name the drug that is obtained from the bark of Chinchona tree.
Pupil : Quinine is the drug that is obtained from the bark of Chinchona tree.
Teacher : Give two examples for timber yielding plants.
Pupil : Teak and mango are the two examples for timber yielding plants.
Teacher : What are Ornamental Plants?
Pupil : Ornamental Plants are those used in gardens, parks, etc. for their beautiful flowers or leaves.
Teacher : Give examples for ornamental plants.
Pupil : Rose, china rose, pansy, ferns and marigold are the examples for ornamental plants.
Teacher : Good. Thank you, students.
Pupil : Thank you, Madam.