Selina solutions concise biology class 9 icse Solutions for Chapter 8 five kingdom classification

Rearrange the following categories of animal grouping in a sequence starting from the highest downward to the lowest.

Class ____________

Phylum ____________

Species __________

Genus ____________

Kingdom _____________

Tick-mark the features that characterise vertebrates.

(i)Dorsal nerve cord

(ii)Haemoglobin dissolved

(iii)Three or more pairs of limbs

(iv)A tail behind the level of the anus

(v)Dorsal heart

Mention the name of the phylum against the following characteristics (i) No single mouth but numerous pores as water inlets ___________. (ii) Jointed appendages ___________. (iii) Unsegmented body with a protective calcareous shell ___________. (iv) Locomotion by tube feet ____________ (v) Long, cylindrical and unsegmented body ___________. (vi) Small flat unsegmented worms ___________.

Name the phylum of each of the following invertebrates. Animal Phylum (i) Leech ______________ (ii) Hydra ______________ (iii) Tapeworm ______________ (iv) Sea cucumber ______________ (v) Sponge ______________ (vi) Roundworm ______________ (vii) Scorpion ______________ (viii) Slug ______________ (ix) Centipede ______________ (x) Butterfly ______________

Listed below are eleven characteristics (i-xi) in Column I and the five classes (a-e) of Chordata in Column II. Match at least two characteristics with each class.

Mention the class of vertebrates against each. (i) Crocodile _________ (ii) Penguin _________ (iii) Toad _________ (iv) Shark _________ (v) Whale _________ (vi) Bat _________ (vii) House lizard _________

The animals (Kingdom Animalia) are mainly grouped under two categories

(a) Bilaterally symmetrical and radically symmetrical

(b) Coelomate and acoelomate

(c) Aquatic and terrestrial

(d) Vertebrates and invertebrates

Which one of the following examples does not come under the particular group?

(a) Mushroom, yeast, fern – Fungi

(b) Paramecium, Euglena, sponge – Protista

(c) Starfish, Cuttlefish, Dogfish – Pisces

(d) Bat, Parrot, Oyster – Vertebrates

Which one of the following is an example of binomial scientific name?

(a) Green alga

(b) Snow leopard

(c) Rana tigrina

(d) China rose

Which one of the following is the correct statement about the respective animal(s)?

(a) Donkey and horse should be considered one single species because they can successfully mate and produce an offspring.

(b) Donkey and horse are two different genuses

(c) Mule is a separate species

(d) Mule is neither a donkey nor a horse

Match the items in Column I with as many as possible and even repeatedly from Column II Column I Column II

1. Pine (i) Fungi
2. Earthworm (ii) Monera
3. Bread mould (iii) Prokaryote
4. Amoeba (iv) Gymnosperm
5. Moss (v) Plantae
6. Bacteria (vi) Animalia (vii) Protista (viii) Bryophyta

Rearrange the following categories of classification in their proper sequence starting with the highest. Species, family, genus, class, order, phylum.

Give the scientific names of man, domestic cat, and peepal tree.

Why are scientific names of living beings considered better than their common names?

Mention any two drawbacks of classifying organisms under the old kingdom classification

All humans on earth today may differ widely in their facial features, colour, height, etc. Yet, they belong to a single species Homo sapiens. Give one reason why they are not considered belonging to different species.

Rewrite the following scientific names correctly.

ficus religiosa(peepal), zea Mays (maize) and Bombyx Mori (silk moth).

Name the five kingdoms according to the new classification

What are the group names of the following categories of animals? (a) Animals with a backbone __________ (b) Animals with a hairy skin __________ (c) Animals with three pairs of legs _________ (d) Animals with feathers __________

9. Which ones of the following animals are invertebrates? Housefly, silverfish, trout, jellyfish, whale, penguin, lizard and sponge

Give any one difference between each of the following:

(a) Protozoa and metazoa,

(b) Vertebrate and Invertebrate,

(c) Insect and Arachnida,

(d) Flatworm and Roundworm

Given below is a list of ten animals each followed by three terms or features. Underline the term which does not match with the animal.

(i) Ameoba – Nucleus, tenacle, food vacuole.

(ii) Hydra – Invertebrata, Cindaria, Crustacea.

(iii) Fish – Gills, paired fins, ear drum

(iv) Earthworm – Invertebrata, Annelida, Insecta.

(v) Grasshopper – Wings, trachea, proboscis.

(vi) Butterfly – Insecta, Invertebrata, Mollusca.

(vii) Whale – Gills, mammary glands, fat under the skin.

(viii) Pigeon – Feathers, wings, hair.

(ix) Monkey – External ear, sweat glands, lateral line.

(x) Bat – Aves, Mammalia, Chordata.

Explain the meaning of the terms cold-blooded and warm-blooded (homeothermal).

Name three animals (belonging to different classes) which breathe by means of lungs but have no external ears (pinnae).

Mention any one major similarity and one major difference in the following pairs of animals:

(a) Insects and birds

(b) Whales and fishes

(c) Snakes and earthworms

(d) Bat and pigeon

(e) Cuttlefish and dogfish

(f) Wall lizard and frog

Match the names of animal groups in Column I with the names of animals in Column II.

Column I (Group) Column II (Animal)

Annelida Pigeon

Porifera Snake

Mollusca Earthworm

Reptilia Sponge

Amphibia Octopus

Pisces Trout

Mammal Rabbit

Which names are left out that do not match and why?

Tyrannosaurus was about six metres long and it preyed upon other animals. What do you think about its classification – was it an amphibian, a reptile or a mammal?

Can you call it a relative of Kangaroo? Yes/No

Give reason