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: 21/09/2019
Living World of Plants - Plant Physiology
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.
Give an example for micronutrients.
2.
Which gas is evolved during photosynthesis?
3.
Fill in the blanks:
6CO2+________\(\overset { Sunlight }{ \underset { Chlorophyll }{ \longrightarrow } } \) _____ +6H2O+6O2 \(\uparrow\)
4.
Give an example for negative hydrotropism.
5.
Name the movement seen in Pneumatophores of Avicennia
6.
Study the pictures below and then complete the table by putting a plus (+) if the shoot or root grows towards the stimulus and a minus (-) if it grows away from it.
| Stimulus | Light | Gravity |
|---|---|---|
| Shoot | + | - |
| Root | ? | + |
7.
Give the technical terms for the following:
a) Growth dependent movement in plants.
b) Growth independent movement in plants.
8.
Write the scientific terms used to represent the following:
a) Growing of roots towards the gravity.
b) Bending of roots towards the water.
9.
Give an example for a plant whose leaf shows a mesmerizing movement.
1.
Copper, Boron, Silicon, Zinc, Molybdenum, Iron, Mn, Chlorine, and Cobalt
2.
Oxygen
3.
4.
Rhizophora
5.
Negative geotropism is seen in the pneumatophores of avicennia.
6.
'-'
7.
(a) Tropic movement
(b) Nastic movement
8.
Positive Geotropism
Positive Hydrotropism
9.
Non-directional response of a plants part to stimulus is known as nastic movement.
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
