9th Standard Syllabus & Materials
9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роХрогро┐родроорпН роЖропродрпНродрпКро▓рпИ ро╡роЯро┐ро╡ро┐ропро▓рпН,роорпБроХрпНроХрпЛрогро╡ро┐ропро▓рпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Maths Coordinate Geometry,Trigonometry Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роХрогро┐родроорпН роЕро│ро╡ро┐ропро▓рпН,рокрпБро│рпНро│ро┐ропро┐ропро▓рпН&роиро┐роХро┤рпНродроХро╡рпБ роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Maths Mensuration,Statistics&Probability Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - роЪрпЖро╡рпНро╡ро┐ропро▓рпН роЙро▓роХроорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - The Classical World Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - родрпКроЯроХрпНроХроХро╛ро▓родрпН родрооро┐ро┤рпНроЪрпН роЪроорпВроХроорпБроорпН рокрогрпНрокро╛роЯрпБроорпНроорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Early Tamil Society and Culture Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - родрпКро┤ро┐ро▒рпНрокрпБро░роЯрпНроЪро┐ роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Industrial Revolution Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - роиро╡рпАрой ропрпБроХродрпНродро┐ройрпН родрпКроЯроХрпНроХроорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - The Beginning of the Modern AgeImportant 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
Published on: 03/08/2018
In this question paper, some of the important one mark, two and five marks questions from the chapter Health and Hygiene: Food for living - Important Question Paper are covered. The questions are prepared from the book back and creative question.
Download Tamil Nadu 9th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
An internal factor responsible for spoilage of food is ___________.
Wax coating
Contaminated utensils
Moisture content in food
Synthetic preservatives
2.
Food and Adulteration Act was enforced by Government of India in the year __________.
1964
1954
1950
1963
3.
The sprouting of onion and potatoes can be delayed by the process of _______________
irradiation
freezing
Salting
Canning
4.
The physician who discovered that scurvy can be cured by ingestion of citrus fruits is ______________
James Lind
Louis Pasteur
Charles Darwin
Isaac Newton
5.
The nutrient required in trace amounts to accomplish various body functions is ____________.
Carbohydrate
Protein
Vitamin
Fat
6.
AGMARK is used to certify ______________ and _______________ products in India.
7.
Do not purchase food beyond the date of _______________
8.
Dehydration is based on the principle of removal of ____________.
9.
Vitamin D is called as _______________ vitamin as it can be synthesised by the body from the rays of the sunlight.
10.
The process of affecting the natural composition and the quality of food substance is known as _______________
11.
Deficiency diseases can be prevented by taking _______________ diet.
12.
What factors are required for the absorption of Vitamin D from the food by the body?
13.
Name any two naturally occuring toxic substances in food.
14.
What is an adulterant?
15.
Give reasons why salt is used as preservative in food.
16.
Differentiate: Macronutrients from micronutrients.
17.
Differentiate : Kwashiorkar from Marasmus
18.
Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it
19.
The doctor advices an adolescent girl who is suffering from anaemia to include more of leafy vegetables and dates in her diet. Why so?
20.
What are the effects of consuming adulterated food?
21.
Explain any two methods of food preservation.
22.
Write any one function of the following minerals
a) Calcium b) Sodium
c) Iron d) Iodine
23.
Give one reason for the following statements:
a. Salt is added as a preservative in pickles___________
b. We should not eat food items beyond the expiry date ______________
c. Deficiency of calcium in diet leads to poor skeletal growth ___________
24.
Explain the role of food control agencies in India.
25.
How are vitamins useful to us? Tabulate the sources, deficiency diseases and symptoms of fat soluble vitamins
1.
(c)
Moisture content in food
2.
(b)
1954
3.
(a)
irradiation
4.
(a)
James Lind
5.
(c)
Vitamin
6.
( )
agricultural, livestock
7.
( )
expiry
8.
( )
water/ moisture content
9.
( )
sunshine vitamin
10.
( )
Adulteration
11.
( )
balanced
12.
Deficiency of disorder disease is the factor required for the absorption of vitamin D.
13.
Poisonous mushrooms, prussic acid in seeds of apple and cherry and peach pits, marine toxins, fish oil poisoning are the naturally occuring toxic substances.
14.
Adulterants are undesirable substances added to the food against the food safety standards.
15.
Salt is used as preservative in food because,
1. Addition of salt removes the moisture content by the process of osmosis.
2. Prevents the growth of bacteria and reduces the activity of microbial enzymes.
16.
| Macronutrients | Micronutrients |
| 1. Calcium, sodium, potassium are macronutrients. |
Iron and iodine are micronutrients. |
| 2. Nutrients required for growth and development of the body in large quantities. |
Nutrients required for growth and development of the body in small quantities. |
17.
| Kwashiorkar | Marasmus |
| 1. It is a protein deficiency disease. | It is a carbohydrate deficiency disease. |
| 2. It affects the children between 1-5 years of age. |
It affects the infants below the age of one. |
18.
1. Name of the product.
2. Manufacture details.
3. Contents or ingredients
4. Maximum retail price.
5. Date of manufacture.
6. Date of expiry.
7. Standardized marks like ISI, AGMARK, FPO.
19.
The adolescent girl affected by Anaemia blood contain Haemoglobin is very low because she takes very less amount of micro-nutrients like iron. So doctor advised to her to take leafy vegetables and dates. It contain large amount of Iron.
20.
The effects of consuming adultered food:
i) Headache.
ii) Stomach disorder.
iii) Major health problems
iv) Liver problem
21.
1. Drying:
It is the process of removal of water or moisture content in the food. It can be done either by sun-drying (or) vaccum drying or hot air drying. It inhibits the growth of bacteria, yeasts and moulds.
2. Smoking:
In this process, food products like meat and fish are exposed to smoke. The drying action of the smoke tends to preserve the food.
22.
| (a)Calcium | Constituent of bones and enamel of teeth, clotting of blood and controls muscle contraction. |
| (b)Sodium | Maintains fluid balance and involved in neurotransmission |
| (c) Iron | Important component of haemoglobin |
| (d) Iodine | Formation of thyroid hormones. |
23.
(a) It removes the moisture content and prevents the growth of bacteria.
(b) It cause many problems in our health.
(c) Bone deformities and osteoporosis in adults.
24.
Role of Food control agencies in India:
a) FCI - i) Effective price support operations for safeguarding the interest of farmers.
ii) Regulate the market price to provide food grains to consumers at reliable price.
b) ISI - Certifies industrial products like electrical appliances like switches, wiring cables, electric motor and kitchen appliances etc.
c) AGMARK - Certifies agricultural and livestock products like cereals, essential oils, pulses, honey, butter etc.
d) FPO - Certifies the food products like juice, jams, sauce, canned fruits and vegetables, pickles etc.
d) FSSAI - Responsible for protecting and promoting the public health through regulation and supervision of food safety.
25.
Vitamins are vital nutrients, required in minute amounts to perform special functions to maintain a healthy body. It is deficiency in the food it cause many diseases.
| Vitamins | Sources | Deficiency disorders | Symptoms |
|
Vitamin A |
Carrot, papaya leaf vegetable, egg yolk, liver |
Xerophthalmia Nyctalopia(night blindness) |
Dryness of cornea unable to see in the night (dim light) scaly skin |
| Vitamin D |
Egg, liver, diary products, fish, synthesized by the sunlight |
Rickets(in children) |
Bow legs, defective ribs development of pigeon chest. |
| Vitamin E | Wheat wheat, vegetable oil, meat, milk | Sterility in rats, Reproductive abnormalities |
Sterility |
| Vitamin K |
Leafy vegetables, soyabeans, milk | Blood clotting is prevented | Excessive bleeding due to delayed blood clotting. |
9th Standard Syllabus & Materials
9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - рокрогрпНроЯрпИроп роиро╛роХро░ро┐роХроЩрпНроХро│рпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Ancient . Civilisations Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - рокрпБро░роЯрпНроЪро┐роХро│ро┐ройрпН роХро╛ро▓роорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - The Age of Revolutions Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - роЗроЯрпИроХрпНроХро╛ро▓ роЗроирпНродро┐ропро╛ро╡ро┐ро▓рпН роЕро░роЪрпБроорпН роЪроорпВроХроорпБроорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - State and Society in Medieval India Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
NEW9th Standard
TN 9роЖроорпН ро╡роХрпБрокрпНрокрпБ роЪроорпВроХ роЕро▒ро┐ро╡ро┐ропро▓рпН ро╡ро░ро▓ро╛ро▒рпБ - роЖроЪро┐роп роЖрокрпНрокро┐ро░ро┐роХрпНроХ роиро╛роЯрпБроХро│ро┐ро▓рпН роХро╛ро▓ройро┐ропро╛родро┐роХрпНроХроорпН роорпБроХрпНроХро┐ропрооро╛рой 2,3,&5 роородро┐рокрпНрокрпЖрогрпН ро╡ро┐ройро╛роХрпНроХро│рпН ро╡ро┐роЯрпИроХро│рпБроЯройрпН TN 9th Social Science HIS - Colonialism in Asia and Africa Important 1 Mark Questions with Answers 2,3,&5 Marks Questions with Answers.
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
