Assertion (A): Plant and animal kingdoms have been constant under all different classification systems.
Reason (R): The understanding of what groups/organisms are included under these kingdoms have been changing over the time.
Choices for Assertions and reasons:
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.
Subtopic:  Different Classification Systems |
 52%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

The members of Kingdom Monera and Kingdom Protista in Whittaker’s five kingdom classification resemble each other in:

1.Cell type2.Body organization
3.Nature of cell wall4.Nuclear membrane

Subtopic:  Different Classification Systems |
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

What is common to Anabaena, Nostoc, Nitrosomonas and Nitrobacter?

I. All are photosynthetic autotrophs.
II. All can directly fix atmospheric nitrogen.

1. Only I 2. Only II
3. Both I and II 4. Neither I nor II
Subtopic:  Kingdom Monera: Bacterial Classification |
Please attempt this question first.
Hints

advertisementadvertisement

Identify the correct statements:
A: Methanogens are archaebacteria.
B: Blue green algae are unicellular algae.
C: Mycoplasma are true bacteria.
1. Only A and B
2. Only A and C
3. Only B and C
4. A, B and C
Subtopic:  Kingdom Monera: Actinomycetes & Mycoplasma | Kingdom Monera: Blue Green Algae | Archaebacteria | Eubacteria |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Consider the two statements: 
I: Bacteria reproduce sexually 
II: Transformation of a bacterial cell is sexual reproduction 
1. Only I
2. Only II 
3. Both I and II are correct 
4. Both I nor II are incorrect
Subtopic:  Kingdom Monera: Bacterial Reproduction |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Assertion(A): Archaebacteria can survive in extreme harsh habitats
Reason(R): Archaebacterial cell wall has peptidoglycan that helps them survive in harsh habitats
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A)
2. Both (A) and (R) are True but (R) is not the correct explanation of (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True
Subtopic:  Kingdom Monera: Bacterial Classification |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Read the following statements with respect to natural system of classification:
(i) It was given by George Bentham  and Joseph Dalton Hooker
(ii) It was based on natural affinities among the organisms
(iii) It takes into account not only the external features but also internal features
(iv) Internal features like ultrastructure, anatomy, embryology and phytochemistry are also considered
(v) Evolution is also taken into account
How many of the above statements are correct?
1. Two
2. Four
3. Three
4. Five
Subtopic:  Kingdom Monera: Bacterial Classification |
 50%
From NCERT
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital

How many organisms in the list given below are autotrophs?

Lactobacillus,  NostocCharaNitrosomonasNitrobacterStreptomyces, Sacharomyces, Trypanosoma, PorphyraWolfia

1. Five
2. Six
3. Three
4. Four 

Subtopic:  Kingdom Monera: Bacterial Classification | Kingdom Monera: Blue Green Algae |
AIPMT - 2012
To view explanation, please take trial in the course.
NEET 2026 - Target Batch - Vital
Hints

Kingdom Protista was proposed by Ernst Haeckel in 1866 as ‘the kingdom of primitive forms’. This kingdom forms a link between the kingdom Fungi, Plantae, and Animalia. Select the option which is incorrectly matched for slime moulds and their plant, animal or fungi like features:
1. Naked plasmodium-Animal like feature 
2. Spore with true wall - Plant like feature 
3. Formation of fruiting body-Fungi like feature 
4. Formation of plasmodium-Protozoan like feature 
Subtopic:  Kingdom Protista: Introduction |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Organisms with soap box like body 
(a) Are chief producers in the ocean
(b) Have silica impregnated cell membrane 
(c) Are called flagellated golden protists 
(d) Lack chlorophyll a 
Choose the incorrect ones 
1. (a),(b) and (c) 
2. (b), (c) and (d) 
3. (a) only 
4. (b) and (d) only 
Subtopic:  Kingdom Protista: Chrysophytes |
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.