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.
Sanjay had an attack of chicken pox and has just recovered. The health officer of his locality says that the disease would not occur again for him. What would be the reason for this?
2.
What is triple antigen? Mention the disease which can be prevented by using the antigen.
3.
Name the vector of the malarial parasite. Mention the species of malarial parasite which cause malignant and fatal malaria.
4.
A baby is suffering from diarrhoea, while other babies in the same locality do not. Mention the possible causes that you think. What would be the possible solutions for this?
5.
Distinguish between Virion and Viroid.
1.
1. Yes, Chicken pox would not occur again for sanjay .
2. Because, once it occured, his body will derive immunity against that disease .
3. This kind of immunity is developed by our body, during the first infection of chicken pox pathogen .
4. The antibodies produced in the blood remain for a long period and kill the simile pathogens, whenever they enter the body.
2.
Triple antigen is a combined vaccine for protection against Diphtheria, Pertussis (whooping cough) and Tetanus.
3.
i) The vector of malarial parasite is female Anopheles mosquito.
ii) Malaria is caused by Plasmodium falciparum is malignant and fatal.
4.
Possible causes: Infected by the virus through, contaminated food and water and oral route.
Possible solution: Proper sanitation and hygiene in the babies family.
5.
| VIRION | VIROID |
| 1. They grow in living cells | They are found in Plant cells. |
| 2. They have Protein coat. | Protein free Pathogenic RNA. |
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
