Tag: zoology

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Questions Related to zoology

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

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

  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)
Reveal answer Fill a bubble to check yourself
D Correct answer
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. 

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

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

  1. stenosalline

  2. stenothalne

  3. euryhaine

  4. eurysaline
Reveal answer Fill a bubble to check yourself
C Correct answer
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. 

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

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.

  1. A, B, C are correct

  2. All are correct

  3. C & D are incorrect

  4. A, B, D are correct
Reveal answer Fill a bubble to check yourself
D Correct answer
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'.

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

Phenetic classification of organisms is based on?

  1. Observable characteristics of exiting organisms

  2. The ancestral lineage of existing organism

  3. Dendrogram based on DNA characteristics

  4. Sexual characteristics
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation
  • Phenetics is an attempt to classify organisms based on overall similarity, usually by morphology or other observable traits, regardless of their phylogeny or evolutionary relation.
  • It includes various forms of clustering and ordination. Phenetic classification of organisms is based on measurable similarities and differences rather than genetic makeup and evolutionary descent. 
Thus, the correct answer is option A.
Multiple choice zoology classification of living beings hierarchy of classification different types of classifications introduction to classification of living organisms

In jaundice, which organ is mainly affected ?

  1. liver

  2. kidney

  3. lungs

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

Jaundice is a yellow discolouration of the skin, of whites of the eyes, indicating excess bilirubin (a bile pigment) in the blood. It is due to disease of the liver cells, such as hepatitis, when the liver is unable to utilize the bilirubin, which accumulates in the blood.

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

Organisms are classified into different kingdoms on the basis of 

  1. Reproduction

  2. Metabolism

  3. Cell structure

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Living organism are classified on the basis of : Type of cell whether uni or  multi cellular, the way they reproduce, their genetic code, their growth and development, how do they metabolise, how do they respond to a stimulus, maintaining homeostasis and how do they evolve.