100% FREE ACCESS9th 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: 12/09/2019
World of Microbes
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.
Which one of the following is a pair of viral disease?
Filariasis, AIDS
Common cold, AIDS
Dysentery, Common cold
Typhoid, Tuberculosis
2.
Syphilis is caused by
Treponema pallidum
Leptospira
Pasteurella
Vibrio cholerae
3.
Bacteria involved in curd formation is
Lactobacillus acidophilus
Nitrosomonas
Bacillus ramosus
none of the above
4.
Mycology is the branch of biology that deals with the study of
algae
virus
bacteria
fungi
5.
Cholera is caused by ______________ and malaria is caused by ______________.
6.
H1N1 virus causes ______________.
7.
First antibiotic ______________ was developed by ______________.
8.
Hepatitis B is more dangerous than Hepatitis A.
9.
Non-infectious diseases remain confined to the person who develops the disease and do not spread to others.
10.
Rhizobium, associated with root nodules of leguminous plants fixes atmospheric nitrogen.
11.
Glycogen and oil globules are stored form of food in fungi.
12.
Tuberculosis
13.
AIDS
14.
Genital warts
15.
Swine flu
16.
What is triple antigen? Mention the disease which can be prevented by using the antigen.
17.
Distinguish between Virion and Viroid.
18.
Explain the various types of viruses with examples.
1.
(b)
Common cold, AIDS
2.
(a)
Treponema pallidum
3.
(a)
Lactobacillus acidophilus
4.
(d)
fungi
5.
( )
Vibrio cholerae, Plasmodium falciparum
6.
( )
Swine flu
7.
( )
Penicillin, Alexander Fleming
8.
(a)
9.
(a)
10.
(a)
11.
(a)
12.
Mycobacterium
13.
Human Immuno deficiency Virus
14.
Human Papilloma virus
15.
Influeuza virus H1N1
16.
Triple antigen is a combined vaccine for protection against Diphtheria, Pertussis (whooping cough) and Tetanus.
17.
| VIRION | VIROID |
| 1. They grow in living cells | They are found in Plant cells. |
| 2. They have Protein coat. | Protein free Pathogenic RNA. |
18.
Viruses are categorized as
i) Plant virus:
Virus that infect plants,
eg: Tobacco mosaic virus, cauliflower mosaic virus, Potato virus.
ii) Animal virus:
Virus that infect animals
eg: Adenovirus, Retrovirus(HIV), Influenza virus
iii) Bacteriophages:
Virus that infect bacterial cells.
eg: T4 Bacteriophage
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
