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: 04/09/2019
Living World of Animals - Diversity in Living Organism - Kingdom Animalia
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.
Poikilothermic organisms are
Fish, Frog, lizard, man
Fish, Frog, lizard, cow
Fish, Frog, lizard, snake
Fish, Frog, lizard, crow
2.
Hermaphrodite organisms are
Hydra, Tape worm, Earthworm, Amphioxus
Hydra, Tape worm, Earthworm, Ascidian
Hydra, Tape worm, Earthworm, Balanoglossus
Hydra, Tape worm, Ascaris, Earthworm
3.
Which is not a feature of chordates
Green glands
Sweat glands
Sebaceous gland
Mammary gland
4.
Mesoglea is present in
Porifera
Coelenterata
Annelida
Arthropoda
5.
Which is not an insect?
House fly
Bedbug
Mosquito
Spider
6.
The binomial name of our National Bird is ______________.
7.
Placenta is the unique characteristic feature of ______________.
8.
The larvae of an amphibian is ___________.
9.
In India National deworming day is observed on ______________.
10.
The excretory opening of Porifera is________
11.
Balanoglossus is a ciliary feeder
12.
Bipinnaria is the larva of Mollusca
13.
Nephridia are the respiratory organ of Annelida
14.
Hermaphrodite animals have both male and female sex organs.
15.
Canal system is seen in coelenterates
16.
Why coelenterates are called diploblastic animals?
17.
What is a nematocyst?
18.
Differentiate between flat worms and round worms?
19.
How is the body wall of coelenterates arranged?
20.
Give an account on phylum Arthropoda.
1.
(c)
Fish, Frog, lizard, snake
2.
(a)
Hydra, Tape worm, Earthworm, Amphioxus
3.
(a)
Green glands
4.
(a)
Porifera
5.
(b)
Bedbug
6.
( )
Pavo cristatus
7.
( )
Mammals
8.
( )
Tadpole (frog)
9.
( )
Feb. 10th
10.
( )
Ostia
11.
(a)
12.
(b)
13.
(b)
14.
(a)
15.
(b)
16.
Due to the presence of two layers in the body wall of coelenterates. So they are called as diploplastic animals.
17.
In the jelly fish its tentacles bear stinging cells called nematocysts.
18.
| S.No | Flat worms | Round worms |
| 1. | It is phylum platyhelminthes. | It is phylum Aschelminthes |
| 2. | The alimentary canel is either absent or very simple |
The alimentary canal is straight tube. |
| 3. | Having both male and female reproductive organ in a single individual. |
Sexes are separate individual. |
19.
The body wall is of two layers of cells namely the outer ectoderm and the inner endoderm, which is separated from each other by a non-cellular jelly-like substance called mesoglea.
20.
1. Arthropoda is an ancient and the largest phylum with number of species.
2. Insects, spiders, crabs, shrimps, butterflies, millipedes, centipedes and scorpions are arthropods.
3. Body is divisible into head, thorax and abdomen.
4. The coelomic cavity is filled with haemolymph
5. They have open circulatory system
6. Excretion occurs through malphigian tubules in insects and through green glands in crabs and prawns.
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
