Solution of Chapter 7. Diversity in Living Organisms (All In One - Science Book)

Certain regions of the earth have rich biodiversity of species. What are these regions called? Give examples.

List the basis on which Aristotle classified organisms?

Name an organism who carries out all its body functions through a single cell?

Suggest, how does functional organization of any organism help in classification?

Who wrote the book “The Origin of Species”?

State the contribution of Biologists, such as Wosse and Whittaker in formulating the basis of classification?

How is kingdom the highest category of taxonomic study?

To which kingdom blue-green algae belongs?

Both bacteria and Amoeba are single-called, yet are placed in different kingdoms. Give one reason.

An organism feeds on dead matter. Which kingdom is it most likely to belong to?

In which kingdom would you place an organism which is multicellular and without cell wall?

Identify the group of plant kingdom, in which plant body is differentiated into stem and leaf-like structure?

Give an example of vascular cryptogams.

Gymnosperms as well as angiosperms bear seeds. Why are they classified separately? Give one reason.

Which group of plants is known as flowering plants?

What is the scientific term used for seed leaves?

On the basis of the presence and absence of coelom how are animals classified?

Write two characteristic features of the phylum the contains the first animals with complete alimentary canal.

Animals of which phylum are considered to be the first animals having true body cavity, coelom? Name the phylum.

Name the animal and its respective phylum having parapodia for locomotion.

Give the characteristics of phylum/group having the largest number of animals.

Give the features of the phylum to which Chiton and Pila belong?

Vertebrata is considered as the most advanced group of animals. Give one reason.

Amongst sponge, mollusc, snail, lizard, which one is the simplest animals and Why?

Does feather star belongs to class-Aves?

Scientific name is related to classification. What information does it provide?

Who proposed the binomial nomenclature?

Give two norms of writing scientific names.

Who is the father of Taxonomy? Name the book written by him.

The genus name of potato is Solanum. Write two species name of organisms which belong to genus-Solanum?

Define diversity in the living world.

Give any two objectives of classification.

Are cyanobacteria, autotrophs or heterotrophs?

name the group of organisms to which Amoeba belongs.

The cell wall of different organisms differ. Is it true?

A weed is growing on the border of your play ground. How would you recognize it to be a dicot or monocot?

The protozoans are early animals. Do you agree? Give at least two reasons to support your answer.

Name the respective organisms.

(i) An arthropod that cannot fly.

(ii) A mollusk that possesses eyes.

Sea cucumber belongs to which phylum? Describe it’s structure associated with locomotion.

How are whales and electric rays different from each other?

Jellyfish is not a fish. Comment.

An animal phylum has lowest structural organization. Name and describe its features.

Which group of organisms have segmented worms? Give it’s two major characteristics.

Differentiate briefly the characteristics of kingdom-Plantae and Animalia.

Describe two important characteristics of each division of kingdom-plantae.

Compare among Pisces, Amphibia and Reptilia.

Enumerate the characteristic of a class that contains organisms with two types of symmetry in their life cycle.

Biological classification is a dynamic and ever-evolving phenomenon. Justify with two examples.

Anukool’s father works for an international bank and has been transferred to Paris. He stayed in a rented house there. People in his office have come from different countries and speak various language viz. Dutch, French, Urdu, and English. Due to different mother tongues, he is finding it difficult to communicate with others and hence, could not work efficiently.

One day, he told his communication problem to his son. Anukool discussed his father’s problem with his teacher and then called him up next day to give his advice.

(i) What advice did Anukool give to his father?

(ii) List two advantages of speaking the same language all over the world.

(iii) What value shown by Anukool by his action?

Choose the odd one out from the options given below.

The scientific name of lion fish is

Which of the following statement is incorrect?

Which among the following is a Pteridophyte?

Identify the incorrectly matched pair from the options given below.

The fish belonging to the phylum — Arthropoda is

The type of symmetry found in coelenterates is

Pick out the incorrect statement.

The organism given below belongs to phylum.

Sea cucumber is

In a taxonomic hierarchy, family comes between

Among the following given options, a pseudocoelomate organism is

Which of the following is a warm-blooded organism?

Similar characteristic among whale and crocodile is that