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: 09/12/2020
9th Standard Science World of Microbes English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021
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.
This bacteria gives special aroma to coffee beans and tea leaves.
Bacillus megaterium
Lactobacillus
Aspergillus niger
None
2.
The most common carrier of communicable diseases is __________.
ant
dragonfly
lizard
housefly
3.
Which of the following micro organism helps in fermentation?
Yeast
Mould
Mushroom
Rhizopus
4.
Which substance is produced within an organism to prevent the spread of microorganism?
Antiseptics
Antibiotics
Antibodies
All the above
5.
Poliomyelitis virus which causes infantile paralysis enters the body through
skin
mouth and nose
ears
eye
6.
The organ affected by jaundice is
liver
lungs
kidney
brain
7.
The primary organ infected during tuberculosis is
bone marrow
intestine
spleen
lungs
8.
Which one of the following is a pair of viral disease?
Filariasis, AIDS
Common cold, AIDS
Dysentry, Common cold
Typhoid, Tuberculosis
9.
Mosquito borne viral diseases are
malaria and yellow fever
dengue and chikungunya
filariasis and typhus
kala azar and diptheria
10.
One of the means of indirect transmission of a disease is
sneezing
coughing
vectors
droplet infection
1.
(a)
Bacillus megaterium
2.
(d)
housefly
3.
(a)
Yeast
4.
(b)
Antibiotics
5.
(b)
mouth and nose
6.
(a)
liver
7.
(d)
lungs
8.
(b)
Common cold, AIDS
9.
(b)
dengue and chikungunya
10.
(c)
vectors
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
