Diversity In Living Organisms Animals Class 9 Science Worksheet Pdf
Class 9 Science students should refer to the following printable worksheet in Pdf for Diversity In Living Organisms Animals in standard 9. This test paper with questions and answers for Grade 9 Science will be very useful for exams and help you to score good marks
Class 9 Science Worksheet for Diversity In Living Organisms Animals
CBSE Class 9 Science Worksheet - Diversity in Living Organisms Animals. Students can download these worksheets and practice them. This will help them to get better marks in examinations. Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.
In which kingdom you will place an organism which is multicellular eukaryotic heterotrophs which lack chlorophyll and has ingestive mode of nutrition.
Name the phylum to which prawn, scorpion, spider, butterfly and housefly are included.
In which group of Animalia , canal system and hard outside skeleton are present?
Give two examples of egg laying mammals.
TWO MARKS QUESTIONS
How do poriferan animals differ from coelenterates?
Enlist four features of Annelida.
List two very peculiar characteristics of protochordata.
Ennumerate the identifying features of all chordates.
Differentiate between platyhelminthes and aschelminthes on the basis of body shape, coelom, gut and sexuality.
THREE MARKS QUESTIONS
Enlist any three characteristic features of the class pisces and amphibia.
Define the terms diploblastic, triploblastic ,bilateral symmetry, coelom, pseudocoel, unisexual.
Give three flight adaptations in the birds.
If you are given chiton, antedon, octopus, leech, starfish, sea urchin and nereis will you classify them in one group? Yes or No. Explain.
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?
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: _____________________
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: _________________________________________________________________ ______________________________________________________________________________
List two differences between :
What is binomial nomenclature? Who proposed it? __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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?
Ans : 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”.
Ans : Charles Darwin wrote the book “The Origin of Species” in 1859.
Question. Give examples of the organism belonging to Monera and Protista kingdom.
Ans : Monera — Anabaena, blue-green algae.
Protista — Euglena, Paramecium, Amoeba.
Question. Give examples of pteridophyte.
Ans : Marsilea and fern.
Question. Write the name of three mammals that live in water.
Ans : Whale, platypus and dolphins.
Question. Write the salient features of protozoans.
(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
Question. What is the importance of classification?
Ans : 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.
Ans : 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.
(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.
Ans : (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?
Ans : To prevent food from getting bad due to bacterial or fungal infections.
Question. Name the cell wall component of fungi.
Ans : Chitin and polysaccharides.
Question. Give an example for flagellated protozoans.
Ans : Trypanosoma, Euglena.
Question. Name parasitic flagellated protozoan.
Ans : Trypanosoma
Question. Name the kingdom which includes monerans.
Ans : Kingdom Monera.
Question. Give an example for kingdom Monera.
Ans : Bacteria, Nostoc, Mycoplasma.
Please click the link below to download CBSE Class 9 Science Worksheet - Diversity in Living Organisms Animals.
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