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Diversity in Living Organisms (Class - IX)

Description: Diversity in Living Organisms
Number of Questions: 22
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Tags: Diversity in Living Organisms IX Biology Hierarchy of Classification Classes of Unicellular Organisms Characteristics of Fungi Classes of Plants
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Whittaker classified living organisms into five kingdoms. Which of the following organisms come under the kingdom Protista?

  1. Prokaryotic bacteria

  2. Multicellular animals

  3. Multicellular green plants

  4. Unicellular eukaryotic organisms

  5. Multinucleate higher fungi

Show answer
Correct Option: D
Explanation:

This is the correct option. Unicellular eukaryotic organisms like protozoans, fungi and algae come under the kingdom Protista.

The locomotory organ of which of the following organisms of phylum Protozoa is flagella?

  1. Amoeba

  2. Paramecium

  3. Volvox

  4. Arcella

  5. Opalina

Show answer
Correct Option: C
Explanation:

This is the correct option. 

Which of the following have heterotrophic mode of nutrition?

a. Unicellular algae b. Diatoms c. Protozoa

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Show answer
Correct Option: E
Explanation:

Protozoa have heterotrophic mode of nutrition.

Which of the following grow in very salty environments such as the Great Salt Lake and the Dead Sea, where the environments are extremely alkaline?

a. Methanogens b. Halophiles c. Thermoacidophiles

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Show answer
Correct Option: C
Explanation:

This is the correct option. Halophiles grow in very salty environments such as the Great Salt Lake and the Dead Sea, where the environments are extremely alkaline.

Fungi are simple non-green plants that are not photosynthetic. Which of the following fungi draw their nutrients from the dead remains of plants and animals?

a. Mucor b. Puccinia c. Albugo d. Penicillium

  1. Only a and b

  2. Only b and d

  3. Only a and c

  4. Only a and d

  5. Only b and c

Show answer
Correct Option: D
Explanation:

This is the correct option. Mucor and penicillium draw their nutrients from the dead remains of plants and animals. They are called decomposers.

Which of the following is a property of Dicotyledonae?

  1. The plants have tap root system.

  2. The embryo bears one cotyledon in the seeds.

  3. Leaves have parallel venation.

  4. Secondary growth does not occur.

  5. Flowers are trimerous, i.e. they have three of each floral part.

Show answer
Correct Option: A
Explanation:

This is the correct option as this is a property of Dicotyledonae.

Green algae, red algae and brown algae are a few types of autotrophic algae. Which of the following are examples of green algae?

a. Batra b. Chara c. Fucus d. Ulva

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only a and d

  5. Only b and d

Show answer
Correct Option: E
Explanation:

This is the correct option. Chara and Ulva are examples of green algae.

The life history of which of the following organisms includes both polypoid as well as medusoid forms?

a. Aurelia b. Hydra c. Obelia d. Pennatula

  1. Only a and b

  2. Only a and c

  3. Only a and d

  4. Only b and d

  5. Only b and c

Show answer
Correct Option: E
Explanation:

The life history of Hydra and Obelia includes polypoid as well as medusoid form.

Match the following:

a. Bread mould 1. Peziza
b. Pink bread mould 2. Neurospora
c. Cup fungus 3. Mucor

  1. a - 3, b - 1, c - 2

  2. a - 3, b - 2, c - 1

  3. a - 2, b - 3, c - 1

  4. a - 2, b - 1, c - 3

  5. a - 1, b - 2, c - 3

Show answer
Correct Option: B
Explanation:

An example of bread moulds is Mucor. An example of pink bread moulds is Neurospora. An example of cup fungi is Peziza.

The organisms of which of the following classes of phylum Protozoa lack any locomotory organelles?

a. Sarcodina b. Mastigophora c. Sporozoa d. Suctoria

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only a and d

  5. Only c and d

Show answer
Correct Option: E
Explanation:

This is the correct option. The organisms of classes Sporozoa and Suctoria of phylum Protozoa lack any locomotory organelles.

Which of the following is a characteristic of plants of division Pteridophyta?

  1. Plant body is gametophytic.

  2. Pteriodophytes are non-vascular in nature.

  3. Real stem and leaves are always absent.

  4. Fixation of a plant's body is carried out by rhizoids.

  5. The gametophyte is small and independent.

Show answer
Correct Option: E
Explanation:

This is the correct option as this is a characteristic of plants of division Pteridophyta. 

Which of the following does not belong to the phylum Platyhelminthes?

  1. Planaria

  2. Cestum

  3. Fasciola

  4. Taenia solium

  5. Dugesia

Show answer
Correct Option: B
Explanation:

This is the correct option. Cestum does not belong to the phylum Platyhelminthes.

Match the following:

a. Kingdom 1. It is a group of species that are related and have less characters in common as compared to species.
b. Genus 2. It is an assemblage of families resembling one another in a few characters.
c. Order 3. It includes all organisms that share a set of distinguishing common characters.

  1. a - 3, b - 1, c - 2

  2. a - 3, b - 2, c - 1

  3. a - 1, b - 2, c - 3

  4. a - 1, b - 3, c - 2

  5. a - 2, b - 1, c - 3

Show answer
Correct Option: A
Explanation:

This is the correct option. Kingdom includes all organisms that share a set of distinguishing common characters. Genus is a group of species that are related and have less characters in common as compared to species. Order is an assemblage of families resembling one another in a few characters.

Coniferae and Cycadae are two groups of Gymnospermae. Which of the following belong to the group Coniferae?

a. Cycas b. Pinus c. Cedrus d. Ginkgo

  1. Only a and b

  2. Only a and c

  3. Only a and d

  4. Only b, c and d

  5. Only b and c

Show answer
Correct Option: D
Explanation:

Pinus, Cedrus and Ginkgo belong to the group Coniferae of division Gymnospermae.

Which of the following belong(s) to the class Hexactinellida of phylum Porifera?

a. Euplectella b. Sycon c. Cliona d. Hyalonema

  1. Only a and c

  2. Only b and c

  3. Only a and d

  4. Only b and d

  5. Only a and b

Show answer
Correct Option: C
Explanation:

This is the correct option. Euplectella and Hyalonema belong to the class Hexactinellida of phylum Porifera.

Which of the following organisms of phylum Mollusca have shells consisting of two lateral valves hinged together mid-dorsally?

a. Unio b. Mytilus c. Chiton d. Dentalium

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only b and d

  5. Only a and d

Show answer
Correct Option: A
Explanation:

This is the correct option. Unio and Mytilus are the organisms of phylum Mollusca that have shells consisting of two lateral valves hinged together mid-dorsally.

Which of the following belongs to the class Amphibia?

  1. Exocoetus

  2. Kachuga

  3. Gallus gallus domesticus

  4. Macropus

  5. Rana tigrina

Show answer
Correct Option: E
Explanation:

This is the correct option. Rana tigrina belongs to the class Amphibia.

Which of the following statements is/are false?

a. In organisms of phylum Annelida, locomotion is by segmentally-arranged parapodia having numerous setae. b. Parapodia and setae are absent in Hirudinaria. c. Centipede, crab and cockroach are a few examples of Annelids.

  1. Only a

  2. Only a and b

  3. Only b

  4. Only b and c

  5. Only c

Show answer
Correct Option: E
Explanation:

This is the correct option as this statement is false.

Match the following: Names of parasitic nematodes|Diseases| |a. Ascaris|1. Elephantiasis| |b. Wuchereria bancrofti|2. Ascariasis| |c. Enterobius|3. Enterobiasis|

  1. a - 2, b - 1, c - 3

  2. a - 2, b - 3, c - 1

  3. a - 3, b - 2, c - 1

  4. a - 1, b - 2, c - 3

  5. a - 3, b - 1, c - 2

Show answer
Correct Option: A
Explanation:

 Parasitic nematode Ascaris causes ascariasis disease. Parasitic nematode Wuchereria bancrofti causes elephantiasis. Parasitic nematode Enterobius causes enterobiasis.

Which of the following eubacteria belong to the group Chemoautotrophs?

a. Nitrobacter b. Streptomyces c. Rhizobium d. Nostoc

  1. Only a and b

  2. Only b and c

  3. Only a and c

  4. Only b and d

  5. Only a and d

Show answer
Correct Option: C
Explanation:

This is the correct option. Nitrobacter and Rhizobium eubacteria belong to the group Chemoautotrophs.

Which of the following is not a characteristic of organisms of phylum Protozoa of kingdom Protista?

  1. The organisms are unicellular and mostly aquatic.

  2. The organisms reproduce asexually and sexually.

  3. The organisms have their body naked or covered by pellicle or hard shells.

  4. The locomotion of these organisms is by using finger-like pseudopodia, flagella or cilia.

  5. Body is only long, coil-shaped.

Show answer
Correct Option: E
Explanation:

Their body shape may be irregular, spherical, oval, elongated or flattened.

Match the following:

Name Class Order
a. Potato 1. Monocotyledonae p. Polemoniales
b. Wheat 2. Dicotyledonae q. Holotricha
c. Paramecium 3. Ciliata r. Germinales

  1. a - 1 - p, b - 3 - r, c - 2 - q

  2. c - 2 - p, b - 1 - r, a - 3 - q

  3. a - 2 - p, b - 1 - r, c - 3 - q

  4. a - 2 - r, b - 1 - p, c - 3 - q

  5. a - 2 - p, b - 1 - q, c - 3 - r

Show answer
Correct Option: C
Explanation:

Potato belongs to class Dicotyledonae and order Polemoniales. Wheat belongs to class Monocotyledonae and order Germinales. Paramecium belongs to class Ciliata and order Holotricha.

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