9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கற்கண்டு (இலக்கணம்) - தொடர் இலக்கணம், ஆகுபெயர் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -விரிவானம் (துணைப்பாடம்) - தாய்மைக்கு வறட்சி இல்லை! Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் -கவிதை பேழை (செய்யுள்) - மார்கழி பெருவிழா Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர்-இலக்கணம் - பகுபத உறுப்பிலக்கணம் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர் - இலக்கணம்-எழுத்து -அளபெடை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil அமுதென்று பேர்-துணைப்பாடம் - ஆறாம்திணை Important Questions And Answers Study Material - QB365 Set A
Published on: 13/05/2022
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latest Book back QuestionsDownload 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.
What are the effects of consuming adulterated food?
2.
Explain any two methods of food preservation.
3.
Write any one function of the following minerals
a) Calcium b) Sodium
c) Iron d) Iodine
4.
Sanjana wants to buy a jam bottle in a grocery shop. What are the things she should observe on the label before purchasing it
5.
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 ___________
1.
The effects of consuming adultered food:
i) Headache.
ii) Stomach disorder.
iii) Major health problems
iv) Liver problem
2.
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.
3.
| (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. |
4.
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.
5.
(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.
9th Standard Syllabus & Materials
9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - திருக்குறள் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - மணிமேகலை Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உள்ளத்தின் சீர் - ஏறு தழுவுதல் Important Questions And Answers Study Material - QB365 Set A
NEW9th Standard
TN 9th Tamil உயிருக்கு வேர் - தண்ணீர் Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 9th Standard Subjects
Tamilnadu Stateboard Standards
