In prokaryotes, chromatophores are

(1) specialized granules responsible for colouration of cells

(2) structures responsbile for organizing the shape of the organism

(3) inclusion bodies lying free inside the cells for carrying out various metabolic activities

(4) internal membrane systems that may become extensive and complex in photosynthetic bacteria

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

Among rust, smut and mushroom, two of them 

(1) are pathogens

(2) are saprobes

(3) bear ascocarps

(4)  bear basidiocarps

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

Which of the following is correct match?

 

Disease

Pathogen

(1)

Wilt disease

Synchytrium

(2)

Citrus canker

Xanthomonas

(3)

Red rot of sugarcane    

Ustilago

(4)  

Powdery mildew

Fusarium

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
 71%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Which one of the following pairs is not correctly matched?

(1)

Streptomyces     

- Antibiotic

(2)

Serratia

- Drug addiction

(3)

Spirulina

- Single cell protein

(4)  

Rhizobium     

- Biofertilizer

 65%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The growth curve of bacterial population in lab is plotted against time. What will be the shape of graph?

(1) Sigmoid

(2) Hyperbolic

(3) Ascending straight line

(4) Descending straight line

Subtopic:  Population: Exponential Growth Model |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The outermost limiting layer of mycoplasma is made up of

(1) cell wall

(2) cell membrane

(3) mucilaginous sheath

(4) slime layer

Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma |
 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

advertisementadvertisement

By all of the following ways bacteria become resistant to antibiotic except

(1) making enzymes that inactivate the drug

(2) becoming impermeable to the drug

(3) modifying the target of the drug

(4) moving away from the drug.

 55%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Protista differs from monera in having

(1) cell wall

(2) autotrophic nutrition

(3) flagella

(4) nuclear membrane

Subtopic:  Kingdom Protista: Introduction |
 77%
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 is correct?

(1) All fungi are filamentous.

(2) Transfer of DNA from one bacteria to another bacteria cannot take place.

(3) Virus cannot have both DNA and RNA.

(4) Protists reproduce asexually only.

Subtopic:  Virus, Viroids & Prions |
 83%
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 genetic material in tobacco mosaic virus is

(1) ss DNA

(2) ss RNA

(3) ds RNA

(4) ds DNA

Subtopic:  Virus, Viroids & Prions |
 71%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints