Assignment for Class 9 Science Chapter 7 Diversity In Living Organisms
Class 9 Science students should refer to the following printable assignment in Pdf for Chapter 7 Diversity In Living Organisms 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
Chapter 7 Diversity In Living Organisms Class 9 Science Assignment
Question : Name the branch of the biology that deals with the classification.
Question : Who was the first to propose the two-kingdom system of classification?
Question : Who proposed three-kingdom classification?
Question : What is meant by triploblastic?
Question : What is haemocoel ?
Question : Name the person who has given the five-kingdom classification.
Question : Which is the largest phylum of animal kingdom?
Question : What is the function of canal system in sponges?
Question : What are Gymnosperms?
Question : What is the purpose of classification?
Question : What do you mean by evolution?
Question : What are the bases due to which plants and animals are classified as different categories?
Question : What are the four main characteristics of chordates?
Question : Draw the hierarchy of the classification?
Question : Give the names of different groups of Plant Kingdom.
Question : Differentiate between Poriferans and Coelentrates.
Question : Give two exampes of Bryophytes and Pteridophytes.
Question : Define advantage of using scientific name instead of common name?
Question : Define the main characteristics of Vertebrates.
Question : Bat can fly still it is placed in mammals. Why?
Question : Why thallophytes, bryophytes and pteridophytes are called ‗cryptogams‘?
Question : Show the diagrammatic representation of five-kingdom classification.
Question : Draw a flowchart to depict classification of Kingdom Plantae.
Question : a) Identify four features possessed by all Chordates.
b) In which class would you place any organism which has:
i. a scaly exoskeleton and a bony endoskeleton.
ii. a scaly exoskeleton and lay eggs outside water.
Question : Give one point of difference between: i) Bilateral and radial symmetry ii) Notochord and nerve cord
Question : (a) Name the locomotary organs of echinoderms.
(b) Distinguish between- 1. Tapeworm and earthworm 2. Mite and termite
Question : Point out differences between the following:
(a) Bony and cartilaginous fishes.
(b) Bilateral and radial symmetry.
(c) Notochord and nerve chord.
Exam Questions NCERT Class 9 Science Chapter 7 Diversity In Living Organisms
Question : Write the general characteristics of kingdom – fungi.
(1) The fungi are the unique heterotrophic organisms either saprophytic or parasitic or symbiotic.
(2) The fungi are cosmopolitan in distribution and occur in air, water, soil and on plants and animals.
(3) They are unicellular (yeast) or multicellular, eukaryotic organisms.
(4) Fungi are filamentous and the body consisting of long, slender thread-like structures called hyphae, may be coenocytes hyphane or septate hyphore.
(5) The network of hyphae in fungi is called mycelium.
(6) The cell walls of fungi are composed of chitin and polysaccharides.
(7) Reproduction in fungi can take place by three methods :
(c) Sexual reproduction.
Question : What is the basis for classification of organisms?
Answer : The basis for classification are :
(a) Presence or absence of nucleus.
(b) Organisms are unicellular, or multicellular.
(c) Autotrophic mode of nutrition or heterotrophic mode of nutrition.
(d) Of the organisms that perform photosynthesis (plants), their level, or organisation of the body.
(e) Of the animals, how does the individuals body develop and organise its different parts.
Question : A group of students had gone for educational trip clicked photographs of endangered plants. These photographs were used by the school laboratory to study these plants.
(i) Name two endangered plants.
(ii) Name any one medicinal plant and give its medicinal use.
(i) Two endangered plants are Euphrasia and Ubnus rubra.
(ii) Aloe-vera : Juice of Aloe-vera is used in case of indigestion, treating skin infection, etc.
Question : Mention the main criteria of R.H. Whittaker’s classification.
Answer : (1) Cell structure;
(2) Thallus organization;
(3) Mode of nutrition;
(5) Phlogenetic relationships were considered by Whittaker.
Question : Name the phylum of the following organisms, whose exclusive characteristics is given below :
(a) Hollow bones
(b) Jointed appendages
(d) Round worms, parasitic
(e) Soft body, muscular marine animal
(f) Radially symmetrical, spiny skin.
Answer : (a) Phylum chordata, subphylum—vertebrata,
Question : Give the characteristic features of Echinodermata.
Answer : (a) Spikes present on skin.
(b) Free living, marine animals.
(c) Triploblastic and have a coelomic cavity.
(d) Have a peculiar water driven tube system used for moving around.
(e) Have hard calcium carbonate structure that is used as a skeleton.
Examples : Starfish, sea-urchin.
Question : Give specific characteristics of Coelenterate.
(a) Water living animals.
(b) Body is made of two layers of cells.
(c) Some of them live in colonies (corals), while others have solitary life-span (Hydra).
(d) Body cavity present.
(e) Radially symmetrical.
Question : Name the phylum of the following animals :
(a) Tapeworm — Platyhelminthes
(b) Starfish — Echinodermata
(c) Jellyfish — Coelenterata
(d) Octopus — Mollusca
Question : Name the 5 kingdoms of living organisms.
3. Fungi, mycota;
4. Plantae; Metaphyto;
5. Animalia Metazoa.
Question : Name the kingdom which includes eukaryotic heterotrophic organisms.
Answer : Kingdom Mycota (Fungi).
Question : Name unicellular fungi.
Answer : Yeast.
Question : Who proposed the classification of organisms into 5 kingdoms?
Answer : Robert H. Whittaker proposed the classification of organisms into 5 kingdoms in 1959.
Question : Name the appendages used for movement by organism belonging to Protista kingdom.
Answer : (a) Paramecium – Cilia
(b) Euglena – Flagella
(c) Amoeba – Pseudopodia
Question : Give simple classification of plant kingdom.
Answer : Kingdom plantae is divided in following divisions :
(ii) Angiosperm – (1) Monocots (2) Dicots
Question : Who proposed the two kingdom classification?
Answer : Carolus Linnaeus proposed the two kingdom classification.
Question : What is lichen?
Answer : Lichen is the symbiotic association of fungi and bluegreen algae.
Answer : A primitive organism is the one which has a simple body structure and ancient body design or features that have not changed much over a period of time.As per the body design, the primitve organisms which hav simple structures are different from those so-called advanced organisms which have complex body structure and organization.
Answer : Yes, because the advanced organisms also were like the primitive ones once. They have acquired their complexity relatively recently. There is a possibility that these advanced or 'younger' organisms acquire more complex structures during evolutionary time to compete and survive in the changing environment.
Please refer to attached file for CBSE Class 9 Diversity in Living Organisms.
Books recommended by teachers
|CBSE Class 9 Science Matter in Our Surroundings Assignment Set A|
|CBSE Class 9 Science Matter in Our Surroundings Assignment Set B|
|CBSE Class 9 Science Is Matter around Us Pure assignment|
|CBSE Class 9 Science Atoms and Molecules assignment|
|CBSE Class 9 Science Structure of the Atom assignment|
|CBSE Class 9 Science The Fundamental Unit of Life Assignment Set A|
|CBSE Class 9 Science The Fundamental Unit of Life Assignment Set B|
|CBSE Class 9 Science Tissues Assignment Set A|
|CBSE Class 9 Science Tissues Assignment Set B|
|CBSE Class 9 Science Diversity in Living Organisms assignment|
|CBSE Class 9 Science Motion Assignment Set A|
|CBSE Class 9 Science Motion Assignment Set B|
|CBSE Class 9 Science Force and Laws of Motion Assignment Set A|
|CBSE Class 9 Science Force and Laws of Motion Assignment Set B|
|CBSE Class 9 Science Gravitation Set A|
|CBSE Class 9 Science Gravitation Set B|
|CBSE Class 9 Science Work and Energy assignment|
|CBSE Class 9 Science Sound Assignment|
|CBSE Class 9 Science Why do we Fall ill Assignment|
|CBSE Class 9 Science Natural Resources assignment|
|CBSE Class 9 Science Improvement in Food Resources assignment|