Tag: classification of living beings

Questions Related to classification of living beings

Three kingdom system was proposed by 

zoology classification of living beings classification hierarchy hierarchy of classification different types of classifications introduction to classification of living organisms

  1. Haeckel

  2. Whittaker

  3. Aristotle

  4. Mayer

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Correct Option: A
Explanation:

In 1860s, the German investigator Ernst Haeckel proposed a three-kingdom system of classification. Haeckel's three kingdoms were Animalia, Plantae, and Protista. 

In Vedic times, living organisms were classified into following number of classes

zoology classification of living beings classification hierarchy hierarchy of classification different types of classifications introduction to classification of living organisms

  1. 2

  2. 3

  3. 4

  4. 5

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Correct Option: B
Explanation:

In Vedic times, the ;living organisms were divided into the following:

1. Born from the womb (Jivagi.)
2. Born from egg (Andaja.)
3. Born from sprouts (Udbhija.)

Hence, the correct answer is option B. 

Which of the following scientist created the group Protista for both unicellular plants and animals?

zoology classification of living beings classification hierarchy hierarchy of classification different types of classifications introduction to classification of living organisms

  1. Haeckel

  2. Pasteur

  3. Lister

  4. Koch

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Correct Option: A
Explanation:

In the year 1866, Ernst Haeckel proposed the three kingdom classification. The three kingdoms are protista, plantae and animalia. The unicellular prokaryotic organisms were placed in the group of monera. This group includes the organisms which have chloroplast and resemble plants as well as the organisms which resemble animals. The group of protists are divided into two groups as plant-like protists and animal-like protists. 

Thus, the correct answer is option A. 

_________ is the branch of science dealing with identification, nomenclature and classification of organisms.

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. Morphology

  2. Anatomy

  3. Ecology

  4. Taxonomy

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Correct Option: D
Explanation:

Taxonomy (taxis-arrangement, nomos-law) is defined as the science dealing with identification, nomenclature and classification of organisms. The term taxonomy was given by de Candolle $(1813)$.

Among the following organisms which is a completely non-parasitic form?

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. Sea anemone

  2. Tapeworm

  3. Leech

  4. Mosquito

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Correct Option: A
Explanation:

Sea anemone is not parasitic It shows mutualism with hermit crab. Tapeworm is an endoparasite while leech and mosquito are exoparasites.

Water is the second most important factor influencing life of organisms because  

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. it makes major part of an organism's body

  2. productivity of plants depend upon availability of water

  3. life on Earth originated in water

  4. Both (a) and (b)

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Correct Option: D
Explanation:

Water makes the major part of an organism's life next to temperature. It s an important factor which influences the life of organisms. The productivity and distribution of land plants are dependent upon availability of water. Water is required for growth and development of plants. 

Organisms that can tolerate a wide range of salt concentration are termed as 

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. stenosalline

  2. stenothalne

  3. euryhaine

  4. eurysaline

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Correct Option: C
Explanation:

Euryhaline organisms are able to tolerate a wide range of salt concentration (or salinaties). E.g. Poecillia sphenops is a fishasdu that can live fresh water, brackish water or salt water. 

How many of these are correctly matched pairs?
A. Mycorhizae $\rightarrow + +$
B. Cattle egret & grazing cattle $\rightarrow + 0$
C. Cuckoo $\rightarrow$ Amensalism
D. Pisaster & Starfish.

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. A, B, C are correct

  2. All are correct

  3. C & D are incorrect

  4. A, B, D are correct

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Correct Option: D
Explanation:

Amensalism involves harm of one organism and unaffected another organism in a two organism relationship.

Cuckoo shows Commensalism by Brood Parasitism.
So, the correct option is 'A, B, D are correct'.

Heterotrichous thallus is shown by which organism

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. Chlamydomonas

  2. Ectocarpus

  3. Spirogyra

  4. Volvax

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Correct Option: B

Progenote mainly contain?

zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

  1. DNA

  2. mRNA

  3. tRNA

  4. None of these

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Correct Option: A