Tag: biology

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Questions Related to biology

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Peptidoglycan is characteristic constituent of cell wall in

  1. Archaebacteria and Eukaryotes

  2. Eubacteria and unicellular Eukaryotes

  3. Bacteria and Cyanobacteria

  4. Monera and Protista
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Bacteria and cyanobacteria both are prokaryotic organisms. They share many similarities. They both lack true cell organelles. They both posses nucleoid instead of a true nucleus. Peptidoglycan is the characteristic constituent of a cell wall in both bacteria and cyanobacteria. They both posses saprophytic mode of life. They both are similar in cell division as well. 

Thus, the correct answer is 'Bacteria and Cyanobacteria.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Kingdom monera includes

  1. Bacteria

  2. Nitrogen fixing organisms

  3. Cyanophyceae

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

Monera is non-nucleated unicellular organisms. They are prokaryotes. They have a cell wall. They have no membrane-bound organelles such as mitochondria, Golgi complex. They lack a true nucleus. Instead, they have nucleoid, genetic material without a nuclear membrane. Examples include Bacteria, cyanophyceae (Blue-Green algae), Nitrogen-fixing organisms etc.

Thus, the correct answer is 'All of the above.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Kingdom monera includes

  1. Prokaryotes only

  2. Eukaryotes only

  3. Both A and B

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

Kingdom Monera includes prokaryotic organisms only. They are unicellular organisms. They are made up of single cell bound by plasma membrane and lack membrane-bound organelles like mitochondria, Golgi bodies. They lack a true nucleus as well. Instead, they possess genetic material without nuclear envelope called as the nucleoid. They also contain ribosomes in the cytoplasm. The example includes bacteria, Blue-green algae.

Thus, the correct answer is 'Prokaryotes only.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Spirulina belongs to the kingdom

  1. Monera

  2. Protista

  3. Plantae

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

Kingdom Monera includes prokaryotic unicellular microorganisms. They lack membrane-bound organelles like mitochondria, golgi complex. They also lack true nucleus. Instead, they have nucleoid, a genetic material without nuclear envelope. They have cell wall. Examples include bacteria, Cyanobacteria like Spirulina. 

Thus, the correct answer is 'Monera.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Which of the following is not a moneran?

  1. Mycoplasma

  2. Slime moulds

  3. Archaebacteria

  4. Eubacteria
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Monera is non-nucleated unicellular organisms. They are prokaryotes. They have a cell wall. They have no membrane-bound organelles such as mitochondria, Golgi complex. They lack a true nucleus. Instead, they have nucleoid, genetic material without a nuclear membrane. Examples include Bacteria, Archaebacteria, Eubacteria, Mycoplasma, Blue-Green algae.

Thus, the correct answer is 'Slime Moulds.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Incipient nucleus occurs in

  1. Myxophyceae

  2. Chlorophyceae

  3. Phaeophyceae

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

Myxophyceae is the other name for blue green algae or Cyanobacteria. It is a prokaryotic unicellular organism. It lacks membrane bound organelles like mitochondria, golgi complex. It also lacks true nucleus. Incipient nucleus or nucleoid is present in it. Incipient nucleus is a genetic material without nuclear envelope.

Thus, the correct answer is 'Myxophyceae.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Which of the following can be seen generally in all the prokaryotes?

  1. Contain DNA and RNA

  2. Are bacteria

  3. Demonstrate a circular strand of DNA without a covering of nuclear membrane

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
Monerans are non-nucleated unicellular organisms. They are prokaryotes. They have a cell wall. They have no membrane-bound organelles such as mitochondria, Golgi complex. They lack a true nucleus. They have DNA and RNA as genetic material. They have nucleoid, a circular strand DNA without a covering of nuclear membrane. Examples include Bacteria, Blue-Green algae.
Thus, the correct answer is 'All of the above.'
Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

In which kingdom would you include archaea and nitrogen-fixing organisms in the five-kingdom classification?

  1. Plantae

  2. Fungi

  3. Protista

  4. Monera
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Whittaker's classification includes five kingdom classification system. The five kingdoms include Monera, Protista, Fungi, Plantae, and Animalia. Monera includes Eubacteria and Archaea. They include non-nucleated unicellular organisms. They are prokaryotes. They have a cell wall. They have no membrane-bound organelles and true nucleus.

Thus, the correct answer is 'Monera.'

Multiple choice biology biodiversity and classification monera five kingdoms of living organisms biodiversity and need of classification

Maximum nutritional diversity is found in

  1. Fungi

  2. Monera

  3. Plantae

  4. Animalia
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation
The kingdom monera is comprised of two groups as archaebacteria and eubacteria. There is diverse range of organisms which are placed under this kingdom. There are prokaryotic bacteria which possess the heterotrophic mode of nutrition in which the digested food material is directly engulfed by the cell. The cyanobacteria are autotrophic and can prepare their food through photosynthesis. There are some chemotrophs which use the organic and inorganic compounds as the source of energy.
Thus, the correct answer is option B.