Match the names of the scientists with contribution and choose your answer from the codes given below:

Scientists

Contribution

I.

Beijerinck 

1.

Gave the name ‘virus’

II.

Luc Montagnier  

2.  

Gave the term ‘conragium vivum fluidum’

III.  

Pasteur

3.

Discovered bacteriophages

IV.

Twort

4.

Crystallized TMV

V.

Stanley

5.

Isolated HIV

Codes:

I  

II

III

IV

V

(1)

2     

5      

1      

3      

4

(2)

2

3

1

5

4

(3)

4

5

1

3

2

(4)  

4

3

1

5

2

Subtopic:  Virus, Viroids & Prions |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Identify the incorrect statement:

1. Virus has a protein coat called capsid made of small subunits called capsomeres.
2. The core has the genetic material - either RNA or DNA or both.
3. The capsomeres are arranged in helical or icosahedral forms.
4. Viruses can infect any type of organism.
Subtopic:  Virus, Viroids & Prions |
 69%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Identify the incorrect statement:

1. Numerical Taxonomy is based on all observable characteristics.
2. More weightage is given to reproductive characters and all other characters are given equal importance in numerical taxonomy.
3. Cytotaxonomy is based on cytological information like chromosome number, structure, behaviour
4. Chemotaxonomy uses the chemical constituents of the plant
Subtopic:  Classification System: I | Classification System: II | Classification System |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Saprophytic protists are:

1. Slime moulds 2. Dinoflagellates
3. Chrysophytes 4. Protozoans
Subtopic:  Kingdom Protista: Slime Moulds |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following statements regarding Euglenoids is not true?

1. Instead of a cell wall, they have a lipid rich pellicle
2. They have two flagella, a short and a long one
3. They are photosynthetic in the presence of sunlight but behave like a heterotroph when deprived of sunlight
4. Pigments of Euglenoids are identical to those present in higher plants
Subtopic:  Kingdom Protista: Euglenoids |
 75%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Identify the incorrectly matched pair:

1. Diatoms: Chief producers in oceans

2. Dinoflagellates: Red tides

3. Slime moulds: Spores dispersed by water

4. Euglenoids: Protein rich pellicle

Subtopic:  Kingdom Protista: Slime Moulds |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The domain Archaea is not characterized by:

(1) Pseudopeptidoglycan in cell wall

(2) Linear chromosomes

(3) Introns present is some genes

(4) Methanogeneisis as unique metabolism

Subtopic:  Kingdom Monera: Introduction |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Members of Kingdom Protista:

1. are primarily aquatic 

2. do not have membrane bound organelles

3. are all ciliated or flagellated

4. reproduce exclusively by asexual means

Subtopic:  Kingdom Protista: Chrysophytes |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Match each item in Column I with one in Column II and select your answer from the codes given below:

Column I   Column II
A. Diatoms a. Protein-rich layer of pellicle
B. Dinoflagellates   b. Cell wall embedded with silica
C.  Euglenoids c. Spores with true walls
D. Slime moulds   d.  Cellulose plates in the cell wall

Codes:

A     B      C      D
1. b a c d
2. b d a c
3. b c a d
4.   b a d c
Subtopic:  Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

All the following statements regarding Basidiomycetes are correct except:

1. The mycelium is branched and septate
2. Asexual spores and vegetative reproduction are generally not found
3. Sex organs are absent
4. Basidiospores are exogenously produced on the basidium
Subtopic:  Kingdom Fungi: Basidomycetes |
 64%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch