CBSE Class 9 Science Diversity In Living Organisms Plants Worksheet

Read and download free pdf of CBSE Class 9 Science Diversity In Living Organisms Plants 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 MARK QUESTIONS

1. Who proposed five kingdom classification?

2. List the different categories (highest to lowest) followed in hierarchy of classification.

3. Give one basic difference between Monera and Protista.

4. Name the organism which has cell wall made of tough complex sugar called Chitin.

5. Name the group of plants which are called vascular cryptogams.

TWO MARKS QUESTIONS

6. Classification of organisms is advantageous. Justify the statement giving reasons.

7. Thallophyta, Bryophyta and Pteridophyta are called cryptogams, while Gymnosperms and Angiosperms are called phenerogams. Discuss why?

8. Differentiate between bryophytes and pteridophytes.

9. What do you mean by angiosperm? State one difference between monocots and dicots.

THREE MARKS QUESTIONS

10. Explain five kingdom classification with two peculiar features for each kingdom.

11. Distinguish kingdom protista and fungi. Give two examples for each kingdom.

12. Write the diagnostic features of Gymnosperms and Angiosperms.

FIVE MARKS QUESTIONS

13. a) Mention the main criteria of R.H. Whittaker’s classification ?
b) Give the modification introduced by Carl Woese on Whittaker’s classification.
c) Name the basic unit of classification. Define it.
d) What is evolution?

14. On the basis of locomotion and nutrition explain the protozoans- Paramecium, Amoeba and Euglena. Draw suitable diagrams for the same.

15. Which organism is more complex and evolved among : Bacteria, Mushroom and Mango tree? Give reasons. List two examples of pteridophytes and gymnosperms.

ADDITIONAL QUESTIONS

1 Define the term Biodiversity. What is region of megadiversity?

2 Explain the term symbiosis with an example.

3 Enlist four peculiar characteristics of kingdom fungi.

4 Name the following:

a) Two types of organisms on the basis of complexity of cell structure: ___

b) Hair like structures which fix the bryophytes and pteridophytes in the soil:____

c)This kingdom includes the decomposers showing saprophytic nutrition: ____

d) The group of the plant kingdom in which conifers are placed: ____

e) The author of the book “Origin of Species” : ___

f) When a plant body is not differentiated into root, stem and leaves: ____

5 Euglena is called a plant-animal. Give reasons.

6 Give three examples of the range of variations that you see in life forms around you.

 

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

Question. What are unicellular organisms? Give an example for unicellular organisms?
Answer : One celled or Single celled organisms are called unicellular organisms.
Example : Chlamydomonas, Amoeba, Euglena.

Question. What is evolution?
Answer : Evolution is the change in heritance characteristics of organism over generations.

Question. Who made 1st attempt for scientific basis of classification?
Answer : Aristotle.

Question. On what morphological criteria Aristotle classified the plants?
Answer : Based on the morphological nature of the stem.

Question. What is biodiversity?
Answer : Various types of living organism found in a particular region is called biodiversity.

Question. Name the reproductive organ of plants.
Answer : Flower.

Question. What are gymnosperms?
Answer : Gynosperms are the group of plants that bear naked seeds, e.g., pines, deodar.

Question. What are cotyledons?
Answer : Plant embryos in seeds have structures called cotyledons. Cotyledens are also known as seed leaves.

Question. Name the five kingdoms of living organisms?
Answer :
(1) Kingdom — Monera,
(2) Kingdom — Protista,
(3) Kingdom — Fungi (mycota),
(4) Kingdom — Plantae (metaphyta),
(5) Kingdom — Animalia (metazoan).

Question. Define radial symmetry.
Answer : When any plane axis passing through the central axis of the body divides the animal into two halves that are mirror image, is called radial symmetry. For example : sponges, starfish.

Question. Give example of two fish which have skeleton made up of both bone and cartilage.
Answer : Tuna and rohu.

Question. What is biological classification?
Answer : Grouping of organisms based on similarities and dissimilarities is called biological classification.

Question. What are heterotrophic bacteria?
Answer : The bacteria which do not synthesize their own food but depend on other organisms or dead organic matter are called heterotrophic bacteria.

Question. Due to global warming coral is getting diminished in all the oceans/ water bodies. People in Lakshadweep island protects their corals by not allowing people/ tourist to take few pieces away.
(a) Name the phylum of coral.
(b) What is coral made up of?
(c) What values of people in Lakshadweep island is reflected?
Answer : (a) Phylum of coral is coelenterata.
(b) Coral is made up of calcium carbonate.
(c) People in Lakshadweep island reflect the value of being responsible (Citizen, respecting environment and nature).

Question. What are cyano bacteria?
Answer : Bacteria that obtain their energy through photosynthesis.

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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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