0

Science

Description: Class IX science,chapter--diversity in living organisms.Minute questions to understand the depth of the lesson
Number of Questions: 25
Created by:
Tags: Class IX diversity in living organsism CBSE Science Biology Chapterwise Vertebrate Classes of Plants Classification and Evolution Need for Classification
Attempted 0/25 Correct 0 Score 0

________ are modified into wings for flight in birds.

  1. Hind limbs

  2. Forelimbs

  3. Feathers

  4. None of these


Correct Option: B
Explanation:

There is an outside covering of feathers and two forelimbs are modified for flight.

Aves breathe through

  1. lungs

  2. gills

  3. scales

  4. All the above


Correct Option: A

Mammals have a _____ chambered heart.

  1. 4

  2. 3

  3. 2

  4. 1


Correct Option: A

Mammalia nourish their young ones through the

  1. pituitary gland

  2. mammary gland

  3. nourishing gland

  4. milking gland


Correct Option: B

______ mammals produce young ones.

  1. All

  2. Most

  3. Some

  4. None of these


Correct Option: B

Mammalian skin has

  1. hair

  2. sweat glands

  3. oil glands

  4. All the above


Correct Option: D

Platypus differs from other mammals as it

  1. does not have mammary glands

  2. produces eggs

  3. lacks heart chambers

  4. None of the above


Correct Option: B

Find the odd one.

  1. Platypus

  2. Echidna

  3. Kangaroo

  4. None of these


Correct Option: C
Explanation:

Kangaroo gives birth to young ones and the rest lay eggs.

Kari Von Linne is also known as

  1. Carolus Linnaeous

  2. Kris Von Haug

  3. Both 1 and 2

  4. None of these


Correct Option: A

Aquatic organisms are

  1. marine organisms

  2. fresh water organisms

  3. Both 1 and 2

  4. None of these


Correct Option: C

Mammals are similar to

  1. aves

  2. reptiles

  3. pisces

  4. All the above


Correct Option: A
Explanation:

Mammals and Aves are warm blooded.

The term 'biological diversity' was coined by

  1. Walter G. Rosen

  2. Carolus Linnaeous

  3. Both 1 and 2

  4. None of these


Correct Option: A

Biodiversity has _______ types.

  1. 1

  2. 2

  3. 3

  4. 4


Correct Option: D

Which of the following correctly defines an ecosystem?

  1. It is a biotic community.

  2. Its environment forms an interacting entity.

  3. Both 1 and 2

  4. None of these


Correct Option: C

What is the other name of small scale diversity?

  1. Point

  2. Alpha

  3. Epsilon

  4. Gamma


Correct Option: A
Explanation:

Point diversity is the diversity of microorganisms.

Which of the following is the largest diversity?

  1. Point

  2. Alpha

  3. Epsilon

  4. None of these


Correct Option: D
Explanation:

Gamma diversity is the largest diversity.

Platypus belongs to

  1. aves

  2. mammals

  3. reptiles

  4. pisces


Correct Option: B
Explanation:

In mammals, platypus lays eggs.

What is the other name for local diversity?

  1. Point

  2. Alpha

  3. Gamma

  4. Epsilon


Correct Option: B
Explanation:

It includes variety of organisms occurring in a particular habitat.

The total number of species living in India is _______ approximately.

  1. 108276

  2. 118276

  3. 128276

  4. 138276


Correct Option: A

Esilon diversity is known as ____ diversity.

  1. regional

  2. largest

  3. smallest

  4. local


Correct Option: A
Explanation:

Epsilon diversity includes total diversity of a group of areas of gamma diversity.

Which of the following categories has the maximum number of organisms living in India?

  1. Mammalian

  2. Insecta

  3. Bacteria

  4. Fungi


Correct Option: B
Explanation:

Insecta 49%, mammalian 0.3%, bacteria 0.08% and fungi 21.25

In a tree, a leaf is an area of _______ diversity.

  1. point

  2. gamma

  3. epsilon

  4. None of these


Correct Option: B

India is one of the _____ megadiversity countries in the world.

  1. 10

  2. 12

  3. 14

  4. 16


Correct Option: B

First name of an organism is called its

  1. genus

  2. species

  3. both A and B

  4. none of the above


Correct Option: A
Explanation:

Organism shares it genus name with the closely related other organisms.

Binomial nomenclature gives

  1. proper scientific names

  2. proper shapes

  3. Both 1 and 2

  4. None of these


Correct Option: A
- Hide questions