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Assertion Reason Test: The Living World - NEET MCQ


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10 Questions MCQ Test - Assertion Reason Test: The Living World

Assertion Reason Test: The Living World for NEET 2024 is part of NEET preparation. The Assertion Reason Test: The Living World questions and answers have been prepared according to the NEET exam syllabus.The Assertion Reason Test: The Living World MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Assertion Reason Test: The Living World below.
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Assertion Reason Test: The Living World - Question 1

A: Members of a species are reproductively isolated from the members of other species.

R: Species is the basic taxonomic category.

Detailed Solution for Assertion Reason Test: The Living World - Question 1
Explanation:
The given Assertion and Reason are as follows:
A: Members of a species are reproductively isolated from the members of other species.
R: Species is the basic taxonomic category.
To determine the correct relationship between the Assertion and Reason, we need to evaluate their accuracy and the logical connection between them.
- Assertion: Members of a species are reproductively isolated from the members of other species.
This statement is generally true. Reproductive isolation is a key factor that distinguishes one species from another. It refers to the inability of individuals from different species to produce viable offspring together.
- Reason: Species is the basic taxonomic category.
This statement is also true. In the field of taxonomy, species is indeed considered the basic unit of classification. It is the fundamental category used to classify and differentiate living organisms.
Now let's analyze the logical connection between the Assertion and Reason:
- The Assertion states that members of a species are reproductively isolated from members of other species, which is a characteristic feature of species.
- The Reason supports the Assertion by stating that species is the basic taxonomic category, emphasizing the importance of reproductive isolation in defining and categorizing species.
Based on this analysis, we can conclude that both the Assertion and Reason are true and that the Reason correctly explains the Assertion.
Therefore, the correct answer is option B: If both Assertion & Reason are true, but the reason is not the correct explanation of the assertion.
Assertion Reason Test: The Living World - Question 2

A: Panthera is a polytypic genera.

R: Panthera has specific epithets like leo, tigris, pardus.

Detailed Solution for Assertion Reason Test: The Living World - Question 2
Panthera is a polytypic genera because it has more than two specific epithets like – leo, tigris, pardus.

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Assertion Reason Test: The Living World - Question 3

A: A group of closely related families form an order.

R: The families of order show close resemblance in certain fundamental features and also in evolutionary trends.

Detailed Solution for Assertion Reason Test: The Living World - Question 3
Assertion: A group of closely related families form an order.
Reason: The families of order show close resemblance in certain fundamental features and also in evolutionary trends.

To determine the validity of the given Assertion and Reason, we need to analyze each statement separately.
Assertion: A group of closely related families form an order.
This statement suggests that when families are closely related, they come together to form an order.
Reason: The families of order show close resemblance in certain fundamental features and also in evolutionary trends.
This statement explains the reason behind the formation of an order. It states that families within an order exhibit similarities in fundamental features and evolutionary trends.
Now, let's evaluate the relationship between the Assertion and the Reason:
- The Reason provides a logical explanation for the Assertion. When families show close resemblance in fundamental features and evolutionary trends, it makes sense for them to be grouped together in an order.
- The Reason supports the Assertion by providing a justification for why closely related families form an order.
Therefore, both the Assertion and Reason are true, and the Reason is the correct explanation of the Assertion.
Hence, the correct answer is option A: If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.
Assertion Reason Test: The Living World - Question 4

A: Biological concept of species is based on reproductive isolation.

R: Linnaeus gave most accepted species concept.

Detailed Solution for Assertion Reason Test: The Living World - Question 4
Biological concept of species, given by Ernst Mayr.

Assertion Reason Test: The Living World - Question 5

A: Synonyms are concerned with one of the most important rules of ICBN.

R: Out of the two or more scientific names given to the organism, the oldest name is recognized as a valid name, and other names are recognised as synonyms.

Detailed Solution for Assertion Reason Test: The Living World - Question 5
Assertion: Synonyms are concerned with one of the most important rules of ICBN.
Reason: Out of the two or more scientific names given to the organism, the oldest name is recognized as a valid name, and other names are recognized as synonyms.

The given statement is related to the International Code of Nomenclature for algae, fungi, and plants (ICBN), which provides rules for naming organisms. Let's analyze the assertion and reason separately:
Assertion: Synonyms are concerned with one of the most important rules of ICBN.
- Synonyms refer to different scientific names that have been given to the same organism. The ICBN provides guidelines for dealing with synonyms.
- The correct naming and recognition of synonyms are crucial in maintaining consistency and clarity in scientific communication.
Reason: Out of the two or more scientific names given to the organism, the oldest name is recognized as a valid name, and other names are recognized as synonyms.
- The ICBN follows the principle of priority, where the oldest validly published name for a particular organism is considered the correct name.
- Other names that have been used for the same organism but are younger than the oldest valid name are considered synonyms.
Explanation:
- The reason provided is a correct explanation of the assertion. The ICBN indeed recognizes the oldest name as the valid name and considers other names as synonyms.
- The importance of this rule lies in maintaining stability and avoiding confusion in the scientific naming of organisms.
- By recognizing the oldest name as the valid name, scientists can refer to the same organism using a consistent and universally accepted term.
Therefore, the correct answer is option A: If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.
Assertion Reason Test: The Living World - Question 6

A: Botanical gardens are an ex-situ conservation strategy of plants.

R: National Botanical Garden is situated at Howrah.

Detailed Solution for Assertion Reason Test: The Living World - Question 6

Botanical gardens in biodiversity conservation is ex situ conservationEx situ conservation includes not only the cultivation of plants in gardens and greenhouses, but also maintenance of seed, pollen or propagule samples and in vitro cell and tissue cultures.

 It was originally founded as theNational Botanic Gardens in 1948. TheBotanic Garden is situated in the heart of Lucknow, the capital of Uttar Pradesh province, and covers an area of 25 ha along the southern bank of the River Gomti at an altitude of 113 m 

Assertion Reason Test: The Living World - Question 7

A: Two plants A and B are treated as two taxonomic species.

R: Both A and B are different in correlated characters.

Detailed Solution for Assertion Reason Test: The Living World - Question 7
Assertion: Two plants A and B are treated as two taxonomic species.
Reason: Both A and B are different in correlated characters.

The given statement involves the comparison of two plants, A and B, in terms of their taxonomic classification and correlated characters. Let's analyze the assertion and reason separately to determine their accuracy.
Assertion: Two plants A and B are treated as two taxonomic species.
This assertion implies that plants A and B are classified as separate species within the taxonomic hierarchy. To confirm the accuracy of this assertion, we need to consider the concept of species and how it is determined in taxonomy.
In taxonomy, a species is defined as a group of organisms that share common characteristics and can interbreed to produce fertile offspring. If plants A and B possess distinct characteristics and cannot interbreed successfully, they can be classified as separate species. Therefore, if this assertion holds true, it implies that plants A and B are indeed treated as two taxonomic species.
Reason: Both A and B are different in correlated characters.
The reason provided supports the assertion by stating that plants A and B differ in correlated characters. This suggests that there are observable characteristics or traits that distinguish plants A and B from each other. If these correlated characters are distinct and significant enough to differentiate the plants, it further supports the assertion that they are treated as separate taxonomic species.
Conclusion:
Based on the analysis of the assertion and reason, we can conclude that both the assertion and reason are true and the reason is a correct explanation of the assertion. Therefore, the answer is option A: If both Assertion & Reason are true, and the reason is the correct explanation of the assertion.
Assertion Reason Test: The Living World - Question 8

A: Species is a genetically closed system.

R: Because reproductive isolation constitutes the most important boundary between different species.

Detailed Solution for Assertion Reason Test: The Living World - Question 8
Species is a genetically closed system because reproductive isolation constitutes the most important boundary between different species.

Assertion Reason Test: The Living World - Question 9

A: Scientific names for plants have been standardized through ICBN.

R: Linnaeus gave naming system which uses three-word format.

Detailed Solution for Assertion Reason Test: The Living World - Question 9

Trinomial nomenclature was given by Lamark.

 

 

Assertion Reason Test: The Living World - Question 10

A: Dried specimens are poisoned by HgCl2.

R: It protects the specimen from the moisture.

Detailed Solution for Assertion Reason Test: The Living World - Question 10

HgCl2 protects the specimen from the microbes.

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