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Biology Exemplar
Class 11
NCERT Exemplar
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Chapter 1: The Living World
37 questions
2
Chapter 2: Biological Classification
33 questions
Q1
Neurospora an ascomycetes fungus has been used as a biological tool to understand the mechanism of plant genetics much in the same way as Drosophila has been used to study animal genetics. What makes Neurospora so important as a genetic tool?
Q2
Cyanobacteria and heterotrophic bacteria have been clubbed together in eubacteria of kingdom–Monera as per the ‘five kingdom classification’ even though the two are vastly different from each other. Is this grouping of the two types of taxa in the same kingdom justified? If so, why?
Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.
Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.
Q3
At a stage of their cycle, ascomycetes fungi produce the fruiting bodies like apothecium, perithecium or cleistothecium. How are these three types of fruiting bodies different from each other?
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Chapter 3: Plant Kingdom
28 questions
4
Chapter 4: Animal Kingdom
45 questions
5
Chapter 5: Morphology of Flowering Plants
42 questions
6
Chapter 6: Anatomy of Flowering Plants
52 questions
7
Chapter 7: Structural Organization in Animals
48 questions
8
Chapter 8: Cell: The Unit of Life
39 questions
9
Chapter 9: Biomolecules
31 questions
10
Chapter 10: Cell Cycle and Cell Division
43 questions
11
Chapter 11: Transport in Plants
66 questions
12
Chapter 12: Mineral Nutrition
39 questions
13
Chapter 13: Photosynthesis in Higher Plants
59 questions
14
Chapter 14: Respiration in Plants
42 questions
15
Chapter 15: Plant Growth and Development
48 questions
16
Chapter 16: Digestion and Absorption
34 questions
17
Chapter 17: Breathing and Exchange of Gases
32 questions
18
Chapter 18: Body Fluids and Circulation
42 questions
19
Chapter 19: Excretory Products and their Elimination
44 questions
20
Chapter 20: Locomotion and Movement
39 questions
21
Chapter 21: Neural Control and Coordination
31 questions
22
Chapter 22: Chemical Coordination and Integration
39 questions
Question
Hard
Solving time: 4 mins
Cyanobacteria and heterotrophic bacteria have been clubbed together in eubacteria of kingdom–Monera as per the ‘five kingdom classification’ even though the two are vastly different from each other. Is this grouping of the two types of taxa in the same kingdom justified? If so, why?
Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.
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Text solution
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Although the two are vastly different from each other. They still bear some common characters, on the basis of which they are introduced in eubacteria of kingdom–Monera. These characters are as follows
(i) Both the groups do not possess well defined nucleus.
(ii) Nucleus lacks nucleous and nuclear membrane.
(iii) DNA (genetic material) lies freely in the cytoplasm.
(iv) They possess 70 S type of ribosomes.
(i) Both the groups do not possess well defined nucleus.
(ii) Nucleus lacks nucleous and nuclear membrane.
(iii) DNA (genetic material) lies freely in the cytoplasm.
(iv) They possess 70 S type of ribosomes.
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Practice more questions from Biology Exemplar (NCERT Exemplar)
Q1
Neurospora an ascomycetes fungus has been used as a biological tool to understand the mechanism of plant genetics much in the same way as Drosophila has been used to study animal genetics. What makes Neurospora so important as a genetic tool?
Q2
Cyanobacteria and heterotrophic bacteria have been clubbed together in eubacteria of kingdom–Monera as per the ‘five kingdom classification’ even though the two are vastly different from each other. Is this grouping of the two types of taxa in the same kingdom justified? If so, why?
Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.
Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria.
Q3
At a stage of their cycle, ascomycetes fungi produce the fruiting bodies like apothecium, perithecium or cleistothecium. How are these three types of fruiting bodies different from each other?
View allPractice questions from Biology Exemplar (NCERT Exemplar)
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Practice more questions from Biological Classification
Question 2
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(I) Formation of germ tube
(II) Formation of zygophores
(III) Formation of warty wall layer of zygospore
(IV) Secretion of trisporic acid
The correct sequence is:
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| Question Text | Cyanobacteria and heterotrophic bacteria have been clubbed together in eubacteria of kingdom–Monera as per the ‘five kingdom classification’ even though the two are vastly different from each other. Is this grouping of the two types of taxa in the same kingdom justified? If so, why? Discuss the cellular composition of cyanobacteria and heterotrophic bacteria that make them introduced in eubacteria. |
| Topic | Biological Classification |
| Subject | Biology |
| Class | Class 11 |
| Answer Type | Text solution:1 |
| Upvotes | 67 |
