NEET Practice Questions - Botany - Biological Classification

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  • Subject:

    Botany

  • Chapter:

    Biological Classification


In five-kingdom classification, unicellular green algae are included in the kingdom

(1) Metaphyta

(2) Protista

(3) Monera

(4) Metazoa


During Grams' staining which is incorrect?

(1) All bacteria take crystal violet stain

(2) Gram +ve bacteria take crystal violet stain

(3) Only Gram –ve bacteria take crystal violet stain

(4) Gram –ve bacteria lose this stain after alcohol

 

 


Fungi usually store the reserve food material in the form of

(1) Starch 

(2) Glycogen and oil

(3) Lipid

(4) Protein


In the five kingdoms, which single kingdom contains blue-green algae, nitrogen fixing bacteria, and methanogenic archaebacteria?

(1) Monera

(2) Protista

(3) Plantae

(4) Fungi


Consider the following regarding the reasons for the fact that now Cyanobacteria are kept in Monera and not in Plantae:

I. They are prokaryotes.

II. The cell wall of cyanobacteria has peptidoglycan.

III. They can fix atomspheric nitrogen

The correct explanations would be:

(1) I and II only

(2) I and III only

(3) II and III only

(4) I, II and III


Which of the following are valid pointers to the demerits of the two kingdom classification proposed by Linnaeus?

I. Euglena has features both of plants and animals.

II. Chlamydomanas is autotrophic but has flagella.

III. Slime molds resemble animals in one phase of their life cycle and plants in the other phase.

(1) I and II only

(2) I and III only

(3) II and III only

(4) I, II and III


Identify the group that is not matched correctly to all the characters shown

 

Group

Cell type

Cell wall

Nuclear membrane  

Body organization

(1) 

Monera

Prokaryotic  

Absent

Absent

Cellular

(2)

Protista  

Eukaryotic

Present in some  

Present

Cellular

(3)

Fungi

Eukaryotic

Present

Present

Multicellular/loose tissue

(4)

Plantae

Eukaryotic

Present

Present

Tissue/organ


Math Column I with Column II and choose your answer from the codes given:

 

Column I (Bacterium)

 

Column II (shape)

I.

Escherechia coli

1.

Spherical

II. 

Streptococcus pyogenes   

2. 

Helically coiled

III. 

Treponema pallidum

3.

Rod shaped

 

I  

II

III

(1)

1    

2    

3

(2)

3

1

2

(3)

3

2

1

(4)  

1

3

2


Identify the incorrect statement regarding bacteria:

(1) Bacteria are the most abundant micro-organisms.

(2) Bacteria also live in exterme habitats where very few other life forms can survive.

(3) Bacteria as a group show the most extensive metabolic diversity.

(4) They are obligate intracellular parasites.

 


Consider the following statements regarding characters of Archaebacteria that they share with eukaryotes:

I. The cell wall does not contain peptidoglycan.

II. DNA associated with histones.

III. Translation initiated with formylated methionine.

IV. RNA polymerase similar to eukaryotic RNA polymerase II

V. ATPase similarity

VI. Similar DNA replication and repair

How many of the above characters Archaebacteria share with eukaryotes?

(1) 3

(2) 4

(3) 5

(4) 6