Tag: zoology

Quizzes (289) Questions (5869)

Questions Related to zoology

Multiple choice zoology conservation of environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

Interaction of species with environment is known as

  1. Ecosystem

  2. Community

  3. Predation

  4. Biosphere
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

  • Ecosystem is the phenomenon that includes the occurrence and distribution of organisms in the ecosystem and the interaction of species with the environment. 
  • It includes abiotic factors such as air, water, soil and biotic factors such as humans, animals, microorganisms. Community includes more that one type of species interacting with each other in a population. 
  • The biosphere is the part of the earth in which life exists.

So the correct answer is 'Ecosystem.'

Multiple choice zoology different ecosystems eco-system and its destruction ecology and ecosystem ecology and ecosysytem

The scientists who study ecosystems are called

  1. Ecologists

  2. Economists

  3. Engineers

  4. Environmentalists
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The study of the ecosystem is called "ecology'. The scientists who study the ecosystem are called "ecologists."

Arthur Tansley, who coined the term ecosystem, is known as the first ecologist.
So the correct option is A.

Multiple choice zoology different ecosystems eco-system and its destruction ecology and ecosystem ecology and ecosysytem

Ecosystem means

  1. A community of organisms interacting with the environment in which they live

  2. Abiotic components

  3. Organisms reacting with one another

  4. Earth and its atmosphere
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The abiotic and biotic components and their interaction with each other combines to form a ecosystem. The biotic components means the living organisms and the abiotic components means the non living factors present in the environment. So, the correct option is A.

Multiple choice zoology living in harmony eco-system and its destruction ecology and ecosystem ecology and ecosysytem

The two components of biosphere are

  1. Biotic and abiotic

  2. Plants and animals

  3. Algae and fungi

  4. None of the above
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The biosphere is the area around the earth that consists of living beings along with the non-living matter around them.

The living component of the biosphere is called biotic component and the non-living component of the biosphere is called the abiotic component. So, the biosphere is made up of both living and non-living components.
So, option A " Biotic and Abiotic" is the correct option.

Multiple choice zoology different ecosystems eco-system and its destruction ecology and ecosystem ecology and ecosysytem

Plants and animals are biotic component in an ecosystem.

  1. True

  2. False
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An ecosystem may be said to be the sum total of all living organisms and nonliving things around us. Living organisms constitute the biotic component of the ecosystem while nonliving things constitute the nonliving one's. 

So, option A is the correct answer.

Multiple choice zoology living in harmony eco-system and its destruction ecology and ecosystem ecology and ecosysytem

Which of these are positive influences of human beings on the ecosystem?
A. Declaring areas as wildlife sanctuaries
B. Increasing biodegradable packing materials that can be recycled
C. Removing pollutants from toxic industrial smoke
D. Using the natural resources intensively

  1. A,B

  2. B,C

  3. A,B,C

  4. B,C,D
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Declaring sanctuaries, using biodegradable materials, and removing pollutants are all positive environmental actions. Intensive use of natural resources is generally considered a negative influence.

Multiple choice zoology microbes in human welfare biofertilizers microbes as biocontrol agents and biofertilizers manuring

Which of the following statements is/are incorrect ?
(i) Cyanobacteria are autotrophic microbes widely distributed in aquatic and terrestrial habitats.
(ii) Anabaena, Nostoc and Oscillatoria are photosynthetic $N _2$ - fixing cyanobacteria.
(iii) Tolypothrix (BGA) can increase rice production by about 20%.
(iv) BGA add organic matter to the soil and increase its fertility.
(v) In our country, fertilizers are not available commercially in the markets for farmers.

  1. (v) Only

  2. (iv) Only

  3. (iii) Only

  4. None of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Biofertilizers are available commercially in our country for farmers.

So, the correct option is '(v) Only'