CBSE Class 9 Science Diversity In Living Organisms Animals Worksheet

Read and download free pdf of CBSE Class 9 Science Diversity In Living Organisms Animals Worksheet. Students and teachers of Class 9 Science can get free printable Worksheets for Class 9 Science Chapter 7 Diversity In Living Organisms in PDF format prepared as per the latest syllabus and examination pattern in your schools. Class 9 students should practice questions and answers given here for Science in Class 9 which will help them to improve your knowledge of all important chapters and its topics. Students should also download free pdf of Class 9 Science Worksheets prepared by school teachers as per the latest NCERT, CBSE, KVS books and syllabus issued this academic year and solve important problems with solutions on daily basis to get more score in school exams and tests

Worksheet for Class 9 Science Chapter 7 Diversity In Living Organisms

Class 9 Science students should refer to the following printable worksheet in Pdf for Chapter 7 Diversity In Living Organisms in Class 9. This test paper with questions and answers for Class 9 will be very useful for exams and help you to score good marks

Class 9 Science Worksheet for Chapter 7 Diversity In Living Organisms

ONE MARKS QUESTIONS

1. In which kingdom you will place an organism which is multicellular eukaryotic heterotrophs which lack chlorophyll and has ingestive mode of nutrition.

2. Name the phylum to which prawn, scorpion, spider, butterfly and housefly are included.

3. In which group of Animalia , canal system and hard outside skeleton are present?

4. Define haemocoel.

5. Give two examples of egg laying mammals.

TWO MARKS QUESTIONS

6. How do poriferan animals differ from coelenterates?

7. Enlist four features of Annelida.

8. List two very peculiar characteristics of protochordata.

9. Ennumerate the identifying features of all chordates.

10. Differentiate between platyhelminthes and aschelminthes on the basis of body shape, coelom, gut and sexuality.

THREE MARKS QUESTIONS

11. Enlist any three characteristic features of the class pisces and amphibia.

12. Define the terms diploblastic, triploblastic ,bilateral symmetry, coelom, pseudocoel, unisexual.

13. Give three flight adaptations in the birds.

14. If you are given chiton, antedon, octopus, leech, starfish, sea urchin and nereis will you classify them in one group? Yes or No. Explain.

15. Write down the conventions followed while writing the scientific names. 

FIVE MARKS QUESTIONS

16. Identify the animal group having: a) Body is spiny and a peculiar water driven tube system for locomotion. b) Soft bodied animals supported by calcareous shell. c) Diploblastic animals with stinging cells. d) Organisms with dorsiventrally flattened body and triploblastic. e) Three pairs of jointed legs and body divided into head, thorax and abdomen.

17. Why do we keep snake and turtle in the same class?

18. A group of children from ISM went for a field trip, and were playing on a heap of sand. Hisham collected some shelled creatures from the sand. Being taught lesson on diversity in school, he identified them as snail. Immediately the group joined him in identifying the phylum to which it belonged by pointing out the external features. a) Name the phylum to which snail belongs. b) Write two characteristic features of the phylum. c) What positive attitude towards learning is shown by the students?

ADITIONAL QUESTIONS

1 Name the phylum for the following: a) Silver fish: ___________________ b) Jelly fish: ______________________ c) Star fish : _____________________ d) Sea cucumber: ____________________ e) Hydra: _______________________ f) Sycon: _________________________ g) Flat worms: ____________________ h) Round worms: _____________________

2 Identify these organisms as Acoelomates, Pseudocoelomates, Coelomates: Spongilla,Wuchereria, Earth worm, Fishes, Planaria, Nereis, Sea anemone, Ascaris, Liverfluke, Scorpion, Birds, Horse. a) Acoelomates: ___________________ b) Pseudocoelomates:________ c) Coelomates: _________

3 List two differences between :

BONY FISHCARTILAGENOUS FISH
  
MAMMALSBIRDS
  

4 What is binomial nomenclature? Who proposed it?

5 Divya is having a beautiful pet dog 'Ginger'. One day, she observed a small insect between his toes. She removed it carefully from the toe and observed it curiously as chapter titled 'Diversity In Living Organisms' was being taught in the school.
a) Identify the phylum to which the insect belong to. _____________
b) Enlist any two characteristic features of this phylum. _______________
c) Comment on Divya's behavior. __________

 

Exam Questions NCERT Class 9 Science Chapter 7 Diversity In Living Organisms

Question. Why bryophytes and pteriodophytes grow in moist and shady places?
Answer : 
Bryophytes and pteriodophytes need water for their reproduction. Because reproduction in these organisms can take place when water helps in carrying male gamete to female gamete.

Question. Name the writer who wrote the book “The Origin of Species”.
Answer : 
Charles Darwin wrote the book “The Origin of Species” in 1859.

Question. Give examples of the organism belonging to Monera and Protista kingdom.
Answer :
 Monera — Anabaena, blue-green algae.
Protista — Euglena, Paramecium, Amoeba.

Question. Give examples of pteridophyte.
Answer :
 Marsilea and fern.

Question. Write the name of three mammals that live in water.
Answer : 
Whale, platypus and dolphins.

Question. Write the salient features of protozoans.
Answer :
 (1) All protozoans are eukaryotic, microscopic, unicellular.
(2) They are heterotrophic, live as predators or parasites (plasmodium and Trypanosoma).
(3) They are believed to be primitive relatives of animals.
(4) Protozoans are grouped into four major groups, such as :
(p) Amoeboid protozoans
(q) Flagellated protozoans
(r) Ciliated protozoans
(s) Sporozoans

Question. What is the importance of classification?
Answer : 
Classification is important because :
(a) Classification makes the study of wide variety of organisms systematic and easier.
(b) It projects a picture of all organisms and their interrelation with each other.
(c) It provides a base for the study of other branches of biology.
(d) It is useful in the study of ecology, which deals with the inter-relation of an organism with their environment.
(e) It helps to establish a hierarchy of groups of organisms.

Question. What are parasites? Name two protozisum parasites you have studied.
Answer :
 The organisms which depend on the other host organism for their requirement of food are called parasites.
Examples : (1) Plasmodium, (2) Trypanosoma.

Question. Give the characteristics of mammals.
Answer :
 (a) Mammals are warm-blooded animals.
(b) Four-chambered heart.
(c) Mammary glands for production of milk to nourish their younger one.
(d) Skin has hairs, sweat glands and oil glands.
(e) Most of them produce their young ones (viviparous).

Question. Give the characteristics of Protista.
Answer :
 (a) Organisms are unicellular and eukaryotic.
(b) Locomotion is possible by using parts like cilia, flagella, etc.
(c) Nutrition is either autotrophic or heterotrophic.
(d) E.g., algae, protozoa.

Question. Why should we keep fruits and vegetables in refrigerator?
Answer : 
To prevent food from getting bad due to bacterial or fungal infections.

Question. Name the cell wall component of fungi.
Answer : 
Chitin and polysaccharides.

Question. Give an example for flagellated protozoans.
Answer : 
Trypanosoma, Euglena.

Question. Name parasitic flagellated protozoan.
Answer : 
Trypanosoma

Question. Name the kingdom which includes monerans.
Answer : 
Kingdom Monera.

Question. Give an example for kingdom Monera.
Answer :
 Bacteria, Nostoc, Mycoplasma.

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CBSE Class 9 Science Chapter 7 Diversity In Living Organisms Worksheet

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Worksheet for Science CBSE Class 9 Chapter 7 Diversity In Living Organisms

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Chapter 7 Diversity In Living Organisms worksheet Science CBSE Class 9

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Chapter 7 Diversity In Living Organisms CBSE Class 9 Science Worksheet

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Worksheet for CBSE Science Class 9 Chapter 7 Diversity In Living Organisms

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