Study Materials

NCERT Solutions for Class 9th Science


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Chapter 7. Diversity in Living Organisms

Additional -Questions




Additional And Important questions: 



Que: Who is called the father of taxonomy?

Ans: Carolus Linnaeus.

Que: Write the scientific name of human being.

Ans: Homo sapience.

Que: Write the scientific name of frog.

Ans: Rana tigrigna.

Que: Write the scientific name of cat.

Ans: Fallish domestica 

Que: Write  the scientific name of tiger.

Ans: Fallish forestica.

Que: Which is the largest phylum of animal Kingdom?

Ans: Arthropoda.

Que: Name the organisms which are outside of the classification.

Ans: Virus and Prions. 

Que: Name the phylum in which organisms have bilaterally symmetrical and segmented body and jointed leg.

Ans: Arthropoda.

Que: Name the group of animals which have spiny skinned.

Ans: Echinodermata.

Que: Give two examples of Echinodermata.

Ans: Star fish , Echinus.

Que: Name the organ of Echinodermata group of animals by which they use to move around.

Ans: Peculiar water-driven tube.

Que: By which material in Echinodermata group of animal’s skeleton is made of ?

Ans: Hard Calcium Carbonate.

Que: Which type of circulatory system does Mollusca have?

Ans: Open circulatory System.

Que: Name four animals of Mollusca group.

Ans: Snails, Unio, Octopus, chiton etc.

Que: Write one major function of Notochord.

Ans: It provides a place for muscles to attach for ease (easiness) of movement.

Que: Where are the organisms of Protochordata mainly found ?

Ans: Protochordates are marine (sea) animals.

Que : What is generally called the organisms of Porifera?

Ans : Sponges.

Que : Where are the organisms of Porifera generally found?

Ans : Marine habitats.

Que : Name two mammals which lay eggs?

Ans : Platypus and Echidna.

Que : Name the phylum of the animal kingdom whose skin is covered with scales and plates.

Ans : Pisces

Que : Name the phylum of animal kingdom which has mammary glands for production of milk to nurish their baby.

Ans : Mammals.    

Que: Where are the organisms of thallophyta found.

Ans: In water (Aquatic animal)

Que: name cell-wall made of a tough complex sugar in fungi.

Ans: Chitin.

Que: Name that organism which uses decaying organic material as food.

Ans: saprophytes.

Que: Name two organisms of fungi.

Ans: (i) Yeast    (ii) Mushrooms. 

Que: Write the name of that living group in which structures named cilia and flagella are found for moving around.

Ans: Protista group.

Que: What is the primary characteristic on which the first division of organisms is made?

Ans: cellular structure and their function.




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Chapter Contents: