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: 08/12/2020
9th Standard Science Plant Physiology English Medium Free Online Test 1 Mark Questions 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.
The plant which respond to gravity is termed as_________________.
Gravitropism
Thermotropism
Seismotropism
Phototropism
2.
The tip of the shoot is known as_______________.
Choleoptile
Colon
Coleorhiza
Collar.
3.
Desmodium gyrans is commonly known as_______________.
Money plant
Rose plant
Telegraph plant
Lilly plant.
4.
The common name of Mimosa pudica is____________
sun flower
Touch me not
Moon plant
Thozhukanni
5.
Chlorophyll in a leaf is required for __________.
photosynthesis
transpiration
tropic movement
nastic movement
6.
Dandelion flowers open the petals in bright light during the day time but close the petals in dark at night. This response of Dandelion flowers is called ___________.
geonasty
thigmonasty
chemonasty
photonasty
7.
The plant part which exhibits negative geotropism is __________.
root
stem
branch
leaves
8.
The bending of root of a plant in response to water is called _________
thigmonasty
phototropism
hydrotropism
photonasty
9.
The chemical reaction occurs during photosynthesis is ________.
CO2 is reduced and water is oxidized
water is reduced and CO2 is oxidized
both CO2 and water are oxidized
both CO2 and water are produced
10.
A big tree falls in a forest but its roots are still in contact with the soil. The branches of this fallen tree straight up. This happens in response to __________
water and light
water and minerals
gravity and water
light and gravity
1.
(a)
Gravitropism
2.
(c)
Coleorhiza
3.
(c)
Telegraph plant
4.
(b)
Touch me not
5.
(a)
photosynthesis
6.
(d)
photonasty
7.
(b)
stem
8.
(c)
hydrotropism
9.
(a)
CO2 is reduced and water is oxidized
10.
(a)
water and light
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
