Tag: zoology

Questions Related to zoology

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

Show answer
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)

Show answer
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

Show answer
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

Show answer
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

Show answer
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

Show answer
Correct Option: A

Wuchereria hancrofti is carried by?

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

  1. Tse-tse fly

  2. Male Anopheles

  3. Culex mosquito

  4. Female Anopheles

Show answer
Correct Option: A

Phenetic classification of organisms is based on?

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

  1. Observable characteristics of exiting organisms

  2. The ancestral lineage of existing organism

  3. Dendrogram based on DNA characteristics

  4. Sexual characteristics

Show answer
Correct Option: A
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.

In jaundice, which organ is mainly affected ?

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

  1. liver

  2. kidney

  3. lungs

  4. brain.

Show answer
Correct Option: A
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.

Organisms are classified into different kingdoms on the basis of 

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

  1. Reproduction

  2. Metabolism

  3. Cell structure

  4. All of the above

Show answer
Correct Option: D
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.