Science Exemplar Problems - class 9 solutions for Chapter 7 Diversity in Living Organisms

Find out the false statement

______ are known to have pseudocoelom.

Open circulatory system is found in ________ where coelomic cavity is filled with blood.

Bilateral, dorsiventral symmetry is found in ________ .

Funaria is a moss. (T/F)

Amphibians do not have the following

Which among the following produce seeds?

Which one is a true fish?

Which among the following is exclusively marine?

Which is not an aquatic animal?

Bryophytes have conducting tissue. (T/F)

Worms causing disease elephantiasis is __________ .

Find out incorrect sentence

Non flowering plants are called Cryptogamae. (T/F)

State whether true or false:

Gymnosperms differ from Angiosperms in having covered seed. (T/F)

Prokaryotes are grouped in Kingdom ________ .

Seeds contain embryo. (T/F)

Algae and fungi form symbiotic association called ________ .

Common fungi used in preparing the bread is __________ .

A fungus ________ can be seen without microscope.

Compound leaves are found in many ferns. (T/F)

Five kingdom classification of living organisms is given by _________ .

Fungi do not contain _________ .

Paramecium is a protista because of its ________ .

Basic smallest unit of classification is ________ .

________ are called as amphibians of the plant kingdom.

Plants without well differentiated stem, root and leaf are kept in ________ . (Thallophyta/Bryophyta)

________ has smallest number of organisms with maximum number of similar characters.

Chemical nature of chitin is __________ .

Association between blue green algae and fungi is called as ________.

Cell wall of fungi is made up of ________ .

All prokaryotes are classified under Monera. (T/F)

Blue green algae belongs to the kingdom Protista. (T/F)

Anabaena belongs to the kingdom Monera (T/F)

Starting from Class, Species comes before the Genus (T/F)

Monera is divided into Archaebacteria and Eubacteria (T/F)

Skeleton is made entirely of cartilage in

Two chambered heart occurs in

Who introduced the system of scientific nomenclature of organisms

Corals are

Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect

The locomotory organs of Echinodermata are

Whittaker proposed five kingdom classification. (T/F)

Organisms without nucleus and cell organelles belong to

(i) fungi

(ii) protista

(iii) cyano bacteria

(iv) archae bacteria

Identify a member of porifera

Pteridophyta do not have

The feature that is not a characteristic of protochordata?

Which among the following have scales?

(i) Amphibians

(ii) Pisces

(iii) Reptiles

(iv) Mammals

Which one is the most striking or (common) character of the vertebrates?

Which among the following has specialised tissue for conduction of water?

(i) Thallophyta

(ii) Bryophyta

(iii) Pteridophyta

(iv) Gymnosperms

Elephantiasis is caused by

In which group of animals, coelom is filled with blood?

Which among the following have open circulatory system?

(i) Arthropoda

(ii) Mollusca

(iii) Annelida

(iv) Coelenterata

Well defined nucleus is absent in

Differentiation in segmental fashion occurs in

Hard calcium carbonate structures are used as skeleton by

Real organs are absent in

One of the following is not an Annelid

Find out incorrect sentence

(a) Protista includes unicellular eukaryotic organisms

(b) Whittaker considered cell structure, mode, and source of nutrition for classifying the organisms in five kingdoms

(c) Both Monera and Protista may be autotrophic and heterotrophic

(d) Monerans have a well-defined nucleus

Which among the following has specialized tissue for conduction of water?

(i) Thallophyta

(ii) Bryophyta

(iii) Pteridophyta

(iv) Gymnosperms

(a) (i) and (ii)

(b) (ii) and (iii)

(c) (iii) and (iv)

(d) (i) and (iv)

Which among the following produce seeds?

(a) Thallophyta

(b) Bryophyta

(c) Pteridophyta

(d) Gymnosperms

Which one is a true fish?

(a) Jellyfish

(b) Starfish

(c) Dogfish

(d) Silverfish

Which among the following is exclusively marine?

(a) Porifera

(b) Echinodermata

(c) Mollusca

(d) Pisces

Which among the following have an open circulatory system?

(i) Arthropoda

(ii) Mollusca

(iii) Annelida

(iv) Coelenterata

(a) (i) and (ii)

(b) (iii) and (iv)

(c) (i) and (iii)

(d) (ii) and (iv)

Elephantiasis is caused by

(a) Wuchereria

(b) Pinworm

(c) Planarians

(d) Liver flukes

Which one is the most striking or (common) character of the vertebrates?

(a) Presence of notochord

(b) Presence of a triploblastic condition

(c) Presence of gill pouches

(d) Presence of coelom

Which among the following have scales?

(i) Amphibians

(ii) Pisces

(iii) Reptiles

(iv) Mammals

(a) (i) and (iii)

(b) (iii) and (iv)

(c) (ii) and (iii)

(d) (i) and (ii)

Find out the false statement

(a) Aves are warm-blooded, egg-laying and have a four-chambered heart

(b) Aves have a feather-covered body, forelimbs are modified into wings and breathe through lungs

(c) Most of the mammals are viviparous

(d) Fishes, amphibians, and reptiles are oviparous

Pteridophyta do not have

(a) root

(b) stem

(c) flowers

(d) leaves

Identify a member of Porifera

(a) Spongilla

(b) Euglena

(c) Penicillium

(d) Hydra

Which is not an aquatic animal?

(a) Hydra

(b) Jellyfish

(c) Corals

(d) Filaria

Amphibians do not have the following

(a) Three chambered heart

(b) Gills or lungs

(c) Scales

(d) Mucous glands

Organisms without nucleus and cell organelles belong to

(i) fungi

(ii) protista

(iii) cyanobacteria

(iv) archaebacteria

(a) (i) and (ii)

(b) (iii) and (iv)

(c) (i) and (iv)

(d) (ii) and (iii)

Which of the following is not a criterion for the classification of living organisms?

(a) The body design of the organism

(b) Ability to produce one’s own food

(c) Membrane-bound nucleus and cell organelles

(d) Height of the plant

The feature that is not a characteristic of protochordate?

(a) Presence of notochord

(b) Bilateral symmetry and coelom

(c) Jointed legs

(d) Presence of the circulatory system

The locomotory organs of Echinodermata are

(a) tube feet

(b) muscular feet

(c) jointed legs

(d) parapodia

Corals are

(a) Poriferans attached to some solid support

(b) Cnidarians, that are solitary living

(c) Poriferans present at the sea bed

(d) Cnidarians that live in colonies

Who introduced the system of scientific nomenclature of organisms

(a) Robert Whittaker

(b) Carolus Linnaeus

(c) Robert Hooke

(d) Ernst Haeckel

Two-chambered heart occurs in

(a) crocodiles

(b) fish

(c) aves

(d) amphibians

Skeleton is made entirely of cartilage in

(a) Sharks

(b) Tuna

(c) Rohu

(d) None of these

One of the following is not an Annelid

(a) Nereis

(b) Earthworm

(c) Leech

(d) Urchins

The book Systema Naturae was written by

(a) Linnaeus

(b) Haeckel

(c) Whittaker

(d) Robert Brown

Karl Von Linne was involved with which branch of science?

(a) Morphology

(b) Taxonomy

(c) Physiology

(d) Medicine

Real organs are absent in

(a) Mollusca

(b) Coelenterata

(c) Arthropoda

(d) Echinodermata

Hard calcium carbonate structures are used as a skeleton by

(a) Echinodermata

(b) Protochordate

(c) Arthropoda

(d) Nematoda

Differentiation in segmental fashion occurs in

(a) Leech

(b) Starfish

(c) Snails

(d) Ascaris

In taxonomic hierarchy, family comes between

(a) Class and Order

(b) Order and Genus

(c) Genus and Species

(d) Division and Class

5-Kingdom classification is given by

(a) Morgan

(b) R. Whittaker

(c) Linnaeus

(d) Haeckel

The well-defined nucleus is absent in

(a) blue-green algae

(b) diatoms

(c) algae

(d) yeast

The ‘Origin of Species’ is written by

(a) Linnaeus

(b) Darwin

(c) Hackel

(d) Whittaker

Meena and Hari observed an animal in their garden. Hari called it an insect while Meena said it was an earthworm. Choose the character from the following which confirms that it is an insect.

(a) Bilateral symmetrical body

(b) Body with jointed legs

(c) Cylindrical body

(d) Body with little segmentation

Write true (T) or false (F)

(a) Whittaker proposed five kingdom classification.

(b) Monera is divided into Archaebacteria and Eubacteria.

(c) Starting from Class, Species comes before the Genus.

(d) Anabaena belongs to the kingdom of Monera.

(e) Blue-green algae belong to the kingdom Protista.

(f) All prokaryotes are classified under Monera.

Fill in the blanks

(a) Fungi show _____________ mode of nutrition.

(b) Cell wall of fungi is made up of _____________

(c) Association between blue-green algae and fungi is called as _____________ .

(d) Chemical nature of chitin is _____________ .

(e) _____________ has smallest number of organisms with maximum number of similar characters

(f) Plants without well-differentiated stem, root and leaf are kept in _____________ .

(g) _____________ are called as amphibians of the plant kingdom

You are provided with the seeds of a gram, wheat, rice, pumpkin, maize, and pea. Classify them whether they are monocot or dicot.

Match items of column (A) with items of column (B)

(A) – (B)

(a) Naked seed – (A) Angiosperms

(b) Covered seed – (B) Gymnosperms

(c) Flagella – (C) Bryophytes

(d) Marchantia – (D) Euglena

(e) Marsilea – (E) Thallophyta

(f) Cladophora – (F) Pteridophyta

(g) Penicillium – (G) Fungi

Match items of column (A) with items of column (B)

(A) – (B)

(a) Pore bearing animals – (A) Arthropoda

(b) Diploblastic – (B) Coelenterata

(c) Metameric segmentation – (C) Porifera

(d) Jointed legs – (D) Echinodermata

(e) Soft-bodied animals – (E) Mollusca

(f) Spiny skinned animals – (F) Annelida

Classify the following organisms based on the absence/presence of true coelom (i.e., acoelomate, pseudocoelomate and coelomate)

Spongilla, Sea anemone, Planaria, Liver fluke

Wuchereria, Ascaris, Nereis, Earthworm,

Scorpion, Birds, Fishes, Horse

Endoskeleton of fishes are made up of cartilage and bone; classify the following fishes as cartilaginous or bony

Torpedo, Sting ray, Dogfish,

Rohu, Angler fish, Exocoetus

Classify the following based on the number of chambers in their heart. Rohu, Scoliodon, Frog, Salamander, Flying lizard, King Cobra, Crocodile, Ostrich, Pigeon, Bat, Whale.

Classify Rohu, Scolidon, Flying lizard, King Cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile, and Whale into the cold-blooded/warm-blooded animals.

Name two egg-laying mammals.

Fill in the blanks

(a) Five kingdom classification of living organisms is given by ________.

(b) Basic smallest unit of classification is ________ .

(c) Prokaryotes are grouped in Kingdom ________ .

(d) Paramecium is a protista because of its ________ .

(e) Fungi do not contain ________ .

(f) A fungus ________ can be seen without microscope.

(g) Common fungi used in preparing the bread is ________ .

(h) Algae and fungi form symbiotic association called ________ .

Give True (T) and False (F)

(a) Gymnosperms differ from Angiosperms in having covered seed.

(b) Non-flowering plants are called Cryptogamae.

(c) Bryophytes have conducting tissue.

(d) Funaria is a moss.

(e) Compound leaves are found in many ferns.

(f) Seeds contain an embryo.

Give examples for the following

(a) Bilateral, dorsiventral symmetry is found in ________.

(b) Worms causing disease elephantiasis is ________ .

(c) Open circulatory system is found in ________ where coelomic cavity is filled with blood.

(d) ________ are known to have pseudocolor.

Label a,b,c and d. given in Fig. 7.1 Give the function of (b)

Fill in the boxes given in Fig. 7.2 with appropriate characteristics/plant group (s)

Write names of few thallophytes. Draw a labelled diagram of Spirogyra.

Thallophyta, Bryophyta, and Pteridophyta are called as ‘Cryptogams’. Gymnosperms and Angiosperms are called as ‘phanerogams’. Discuss why? Draw one example of Gymnosperm.

Define the terms and give one example of each

(a) Bilateral symmetry

(b) Coelom

(c) Triploblastic

You are given leech, Nereis, Scolopendra, prawn, and scorpion; and all have segmented body organization. Will you classify them in one group? If no, give important characters based on which you will separate these organisms into different groups.

Which organism is more complex and evolved among Bacteria, Mushroom, and Mango tree. Give reasons.

Differentiate between flying lizards and birds. Draw the diagram.

List some common features in cat, rat, and bat.

Why do we keep both snake and turtle in the same class?

Science exemplar problems class 9 Solutions for Chapter 7 diversity in living organisms