R4RIN – MCQs, Mock Tests | NCERT Class 9 Class 9 Science Chapter 7 Diversity in Living Organisms

Find out incorrect sentence:

1. Protista includes unicellular eukaryotic organisms
2. Whittaker considered cell structure, mode and source of nutrition classifying the organisms in five kingdoms
3. Both Monera and Protista may be autotrophic and heterotrophic
4. Monerans have well defined nucleus

✅ Correct Answer: 4

Which among the following has specialised tissue for conduction of water? (i) Thallophyta (ii) Bryophyta (iii) Pteridophyta (iv) Gymnosperms

1. (i) and (ii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (i) and (iv)

✅ Correct Answer: 3

Which among the following produce seeds?

1. Thallophyta
2. Bryophyta
3. Pteridophyta
4. Gymnosperms

✅ Correct Answer: 4

Which one is a true fish?

1. Jellyfish
2. Starfish
3. Dogfish
4. Silverfish

✅ Correct Answer: 3

Which among the following is exclusively marine?

1. Porifera
2. Echinodermata
3. Mollusca
4. Pisces

✅ Correct Answer: 2

Which among the following have open circulatory system? (i) Arthropoda (ii) Mollusca (iii) Annelida (iv) Coelenterata

1. (i) and (ii)
2. (iii) and (iv)
3. (i) and (iii)
4. (ii) and (iv)

✅ Correct Answer: 1

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

1. Arthropoda
2. Annelida
3. Nematoda
4. Echinodermata

✅ Correct Answer: 1

Elephantiasis is caused by

1. Wuchereria
2. Pinworm
3. Planarians
4. Liver flukes

✅ Correct Answer: 1

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

1. Presence of notochord
2. Presence of triploblastic condition
3. Presence of gill pouches
4. Presence of coelom

✅ Correct Answer: 1

Which among the following have scales? Amphibians (ii) Pisces (iii) Reptiles (iv) Mammals

1. (i) and (iii)
2. (iii) and (iv)
3. (ii) and (iii)
4. (i) and (ii)

✅ Correct Answer: 3

Find out the false statement.

1. Aves are warm-blooded, egg laying and have four-chambered heart.
2. Aves have feather covered body, forelimbs are modified as wing and breathe through lungs.
3. Most of the mammals are viviparous.
4. Fishes, amphibians and reptiles are oviparous.

✅ Correct Answer: 4

Pteridophyta do not have

1. root
2. stem
3. flowers
4. leaves

✅ Correct Answer: 3

Identify a member of porifera

1. Spongilla
2. Euglena
3. Penicillium
4. Hydra

✅ Correct Answer: 1

Which is not an aquatic animal?

1. Hydra
2. Jelly fish
3. Corals
4. Filaria

✅ Correct Answer: 4

Amphibians do not have the following

1. Three-chambered heart
2. Gills of lungs
3. Scales
4. Mucus glands

✅ Correct Answer: 3

Organisms without nucleus and cell organelles belong to (i) fungi (ii) protista (iii) cyano bacteria (iv) archae bacteria

1. (i) and (ii)
2. (iii) and (iv)
3. (i) and (iv)
4. (ii) and (iii)

✅ Correct Answer: 2

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

1. Body design of the organism
2. Ability to produce one’s own food
3. Membrane bound nucleus and cell organelles
4. Height of the plant

✅ Correct Answer: 4

The feature that is not a characteristic of protochordata?

1. Presence of notochord
2. Bilateral symmetry and coelom
3. Jointed legs
4. Presence of circulatory system

✅ Correct Answer: 3

The locomotory organs of Echinodermata are

1. tube feet
2. muscular feet
3. jointed legs
4. parapodia

✅ Correct Answer: 1

Corals are

1. Poriferans attached to some solid support
2. Cnidarians, that are solitary living
3. Poriferans present at the sea bed
4. Cnidarians that live in colonies

✅ Correct Answer: 4

Who introduced the sytem of scientific nomenclature of organisms?

1. Robert Whittaker
2. Carolus Linnaeus
3. Robert Hooke
4. Ernst Haeckel

✅ Correct Answer: 2

Two chambered heart occurs in

1. crocodiles
2. fish
3. aves
4. amphibians

✅ Correct Answer: 2

Skeleton is made entirely of cartilage in

1. Sharks
2. Tuna
3. Rohu
4. None of these

✅ Correct Answer: 1

One of the following is not an Annelid?

1. Nereis
2. Earthworm
3. Leech
4. Urchins

✅ Correct Answer: 4

The book Systema Naturae was written by

1. Linnaeus
2. Haeckel
3. Whittaker
4. Robert Brown

✅ Correct Answer: 1

Karl Von Linne was involved with which branch of science?

1. Morphology
2. Taxonomy
3. Physiology
4. Medicine

✅ Correct Answer: 2

Real organs are absent in

1. Mollusca
2. Coelenterata
3. Arthropoda
4. Echinodermata

✅ Correct Answer: 2

Differentiation in segmental fashion occurs in

1. Leech
2. Starfish
3. Snails
4. Ascaris

✅ Correct Answer: 1

In taxonomic hierarchy family comes between

1. Class and Order
2. Order and Genus
3. Genus and Species
4. Division and Class

✅ Correct Answer: 2

5-Kingdom classification has given by

1. Morgan
2. R. Whittaker
3. Linnaeus
4. Haeckel

✅ Correct Answer: 2

Well defined nucleus is absent in

1. blue green algae
2. diatoms
3. algae
4. yeast

✅ Correct Answer: 1

he ‘Origin of Species’ is written by

1. Linnaeus
2. Darwin
3. Hackel
4. Whittaker

✅ Correct Answer: 2

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

1. Bilateral symmetrical body
2. Body with jointed legs
3. Cylindrical body
4. Body with little segmentation

✅ Correct Answer: 2