Which one of the following statements is wrong?
1. Phycomycetes are also called algal fungi.
2. Cyanobacteria are also called blue-green algae.
3. Golden algae are also called desmids.
4. Eubacteria are also called false bacteria.

Subtopic:  Kingdom Monera: Bacterial Classification |
 87%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Chrysophytes, Euglenoids, Dinoflagellates and slime moulds are included in the kingdom:
1. Animalia
2. Monera
3. Protista
4. Fungi

Subtopic:  Kingdom Protista: Chrysophytes | Kingdom Protista: Dinoflagellates | Kingdom Protista: Euglenoids | Kingdom Protista: Slime Moulds |
 92%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


One of the major components of cell wall of most fungi is :
1. Hemicelluloses
2. Chitin
3. Peptidoglycan
4. Cellulose

Subtopic:  Kingdom Fungi: Introduction |
 91%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:

1. Eubacteria 2. Halophiles
3. Thermoacidophiles 4. Methanogens
Subtopic:  Kingdom Monera: Bacterial Classification |
 93%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which of the following statements is wrong for viroids?
1. Their RNA is of high molecular weight
2. They lack a protein coat
3. They are smaller than viruses
4. They cause infections

Subtopic:  Virus, Viroids & Prions |
 88%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Methanogens belong to
1. Slime moulds
2. Eubacteria
3. Archaebacteria
4. Dinoflagellates

Subtopic:  Kingdom Monera: Bacterial Classification |
 89%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Select the wrong statement.
1. Diatoms are microscopic and float passively in water.
2. The walls of diatoms are easily destructible.
3. ‘Diatomaceous earth’ is formed by the cell walls of diatoms.
4. Diatoms are chief producers in the oceans.

Subtopic:  Kingdom Protista: Chrysophytes |
 89%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Select the mismatch.
1. Methanogens-Prokaryotes
2. Gas vacuoles-Green bacteria
3. Large central vacuoles-Animal cells
4. Protists-Eukaryotes

Subtopic:  Different Classification Systems |
 76%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

Which of the following rRNAs acts as structural RNA as well as ribozyme in bacterial?
1. 5-8s rRNA
2. 5S rRNA
3. 18 S rRNA
4. 23S rRNA

Subtopic:  Translation Mechanism |
 64%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Study the four statements (A – D) given below and select the two correct ones out of them:
A. Definition of biological species was given by Ernst Mayr.
B. Photoperiod does not affect reproduction in plants.
C. Binomial nomenclature system was given by R. H. Whittaker.
D. In unicellular organisms, reproduction is synonymous with growth.
The two correct statements are
1. A and B
2. B and C
3. C and D
4. A and D

Subtopic:  Different Classification Systems |
 82%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints