Back to LIVING WORLD
Your Progress
0 / 152 Answered
0
Correct
0
Incorrect
0%
Accuracy
NEET • BIOLOGY • LIVING WORLD
Living world practice · Mixed difficulty
Choose an answer to check it, or open “View answer” to study the explanation. Sign in to save progress to your account.
Practice format and chapter quiz
The practice player uses single-correct-answer MCQs. Chapter quizzes help you review a topic; they are not full-length NEET mock papers.
Take a chapter quiz →
Showing 121-150 of 152 questions
Preparing practice and saved progress…
121
Hard
121 of 152
Understanding
+4 | -1
Mark the decreasing order of complexity in the given living systems
(A) Cell
(B) Organ
(C) Tissue
(D) Biosphere
(A) Cell
(B) Organ
(C) Tissue
(D) Biosphere
View answer and explanation
Correct option: B
D > B > C > A
Option B (D > B > C > A) is correct because the biosphere is the most complex, followed by organ, then tissue, and finally cell.
122
Hard
122 of 152
Understanding
+4 | -1
Select the correct statements (i-v) regarding taxonomic categories.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.
(i) Each step or rank in hierarchy is called taxonomic category.
(ii) Species is a group of individual organisms with fundamental similarities capable of breeding among themselves.
(iii) Taxonomic studies of all unknown organisms have led to the development of common categories like kingdom, phylum or division, class, order, family, genus and species.
(iv) Lower the category, greater is the difficulty of determining the relationship to other taxa at the same level.
View answer and explanation
Correct option: A
(i) & (ii) only
Option A ((i) & (ii) only) is correct because statements (i) and (ii) are accurate descriptions of taxonomic categories and species definition.
123
Easy
123 of 152
Remembering
+4 | -1
Largest herbarium in India is
View answer and explanation
Correct option: B
Central, National Herbarium (Indian Botanical Garden) Sibpur, Kolkata (WB)
Option B (Central, National Herbarium (Indian Botanical Garden) Sibpur, Kolkata (WB)) is correct because it is the largest herbarium in India.
124
Medium
124 of 152
Remembering
+4 | -1
A place used for storing, preservation and exhibition of both plants and animals is known as
View answer and explanation
Correct option: A
Museum
Option A (Museum) is correct because museums are institutions that store, preserve, and exhibit both plants and animals.
125
Medium
125 of 152
Understanding
+4 | -1
Obvious and technically complicated feature of all living organism is?
View answer and explanation
Correct option: C
Consciousness
Option A (Self-consciousness) is correct because self-consciousness is a complex feature that distinguishes living organisms, particularly higher-level ones, and is technically challenging to define and measure.
126
Medium
126 of 152
Remembering
+4 | -1
Each statement in the key is called
View answer and explanation
Correct option: A
Lead
Option A (Lead) is correct because each statement in a taxonomic key is called a lead.
127
Medium
127 of 152
Understanding
+4 | -1
What is the prime source of taxonomic studies?
View answer and explanation
Correct option: C
Both (a) and (b)
Option C (Both (a) and (b)) is correct because taxonomic studies rely on both the collection and identification of actual specimens.
128
Hard
128 of 152
Remembering
+4 | -1
What is the origin centre of potato potato?
View answer and explanation
Correct option: D
Peru
Option D (Peru) is correct because Peru is considered the origin center of the potato.
129
Medium
129 of 152
Remembering
+4 | -1
Males produce two types of gametes in
View answer and explanation
Correct option: C
Drosophila
The correct answer is C (Drosophila) because Drosophila males have different sex chromosomes (XY), leading to the production of two types of gametes (X-bearing and Y-bearing).
130
Medium
130 of 152
Analyzing
+4 | -1
Assertion: One of the defining property of living
organisms is consciousness.
Reason: Human being is the only organism that
has self consciousness
organisms is consciousness.
Reason: Human being is the only organism that
has self consciousness
View answer and explanation
Correct option: B
If both Assertion and Reason are true but Reason
is not the correct explanation of Assertion
is not the correct explanation of Assertion
Option B (If both Assertion and Reason are true but Reason is not the correct explanation of Assertion) is correct because both statements are factually correct, but the reason doesn't explain why consciousness is a defining property.
131
Medium
131 of 152
Remembering
+4 | -1
The feature of living being absent in mules is
View answer and explanation
Correct option: C
Reproduction
The correct answer is C (Reproduction) because mules are sterile hybrids and cannot reproduce.
132
Easy
132 of 152
Understanding
+4 | -1
Which one of the following feature is shared by all living organism at all hierarchial level
View answer and explanation
Correct option: C
Nature of protoplasmic-composition
Option C (Nature of protoplasmic-composition) is correct because all living organisms, regardless of their hierarchical level, share a protoplasmic composition, meaning their cells are composed of protoplasm.
133
Easy
133 of 152
Understanding
+4 | -1
Which one is correctly written scientific name?
View answer and explanation
Correct option: B
Mangifera indica
Option B (Mangifera indica) is correct because it follows the rules of binomial nomenclature: genus capitalized and species lowercase, both italicized (or underlined if handwritten).
134
Easy
134 of 152
Understanding
+4 | -1
Metabolism can be best defined as
View answer and explanation
Correct option: C
The sum total all of chemical reactions only occurring in a body
Option C (The sum total all of chemical reactions only occurring in a body) is correct because metabolism is precisely defined as the complete set of chemical processes that occur within a living organism.
135
Hard
135 of 152
Remembering
+4 | -1
Ants locate sucrose by
View answer and explanation
Correct option: C
Physical contact with sucrose
Option C (Physical contact with sucrose) is correct because ants primarily locate food sources through direct physical interaction and chemoreception.
Explore Other Chapters in BIOLOGY
View All →
136
Easy
136 of 152
Remembering
+4 | -1
According to binomial nomenclature, scientific name of an organism consists of
View answer and explanation
Correct option: C
Both (1) and (2)
Option C (Both (1) and (2)) is correct because binomial nomenclature consists of the generic name and specific epithet.
137
Easy
137 of 152
Understanding
+4 | -1
Among the following which is a common phenomenon exhibited by living and non-living organisms to show the feature of growth?
View answer and explanation
Correct option: A
Increase in mass
Option A (Increase in mass) is correct because both living and non-living organisms can exhibit growth through the accumulation of matter, leading to an increase in mass.
138
Medium
138 of 152
Remembering
+4 | -1
According to binomial nomenclature, every living organisms has
View answer and explanation
Correct option: A
One scientific name with 2 components
Option A is correct because binomial nomenclature assigns each organism one two-part scientific name.
139
Medium
139 of 152
Analyzing
+4 | -1
Read these statements about a taxonomic key. How many are false?
a) A taxonomic key is based on the contrasting characters generally in a pair called a couplet.
b) It is generally analytical.
c) It is a taxonomic aid used for identification of plants only.
d) Only accepted statement in the key is called a lead.
a) A taxonomic key is based on the contrasting characters generally in a pair called a couplet.
b) It is generally analytical.
c) It is a taxonomic aid used for identification of plants only.
d) Only accepted statement in the key is called a lead.
View answer and explanation
Correct option: D
4
Option A (2) is correct because statements c and d are false. Keys are for plants and animals, and the accepted statement is called a lead.
140
Hard
140 of 152
Remembering
+4 | -1
The hierarchical arrangement of taxonomic categories in descending order is
View answer and explanation
Correct option: A
Kingdom, phylum, class, order, family, genus, species
Option A (Kingdom, phylum, class, order, family, genus, species) is correct because it represents the correct hierarchical classification from broadest to most specific.
141
Easy
141 of 152
Understanding
+4 | -1
“Ex- Situ conservation” This is main objective of
View answer and explanation
Correct option: D
Both 1 & 3
Option D (Both 1 & 3) is correct because both botanical gardens and zoological gardens are examples of ex-situ conservation.
142
Medium
142 of 152
Understanding
+4 | -1
The defining feature of life forms i.e. unique to human beings only is
View answer and explanation
Correct option: D
Self consciousness
Option D (Self consciousness) is correct because self-consciousness, the awareness of oneself as an individual, is a defining feature unique to human beings.
143
Easy
143 of 152
Remembering
+4 | -1
‘SystemaNaturae’ was written by
View answer and explanation
Correct option: B
Carolus Linnaeus
Option B (Carolus Linnaeus) is correct because 'Systema Naturae' was written by Carolus Linnaeus.
144
Hard
144 of 152
Understanding
+4 | -1
Two different genera are classified in the same taxonomic category family. Which statement is correct about their classification?
View answer and explanation
Correct option: A
The same class, but different species
Option C (The same phylum, but different class) is correct because organisms in the same family must belong to the same phylum and class but different genera and species.
145
Medium
145 of 152
Remembering
+4 | -1
Taxonomic group of any rank is
View answer and explanation
Correct option: C
Taxon
Option C (Taxon) is correct because a taxon is a general term for any taxonomic group, regardless of its rank in the classification hierarchy.
146
Hard
146 of 152
Understanding
+4 | -1
Assertion (A) : Species is dynamic.
Reason (R) : Species are in a continuous process of adapting to the conditions of their surrounding environments.
The correct option among the following is
Reason (R) : Species are in a continuous process of adapting to the conditions of their surrounding environments.
The correct option among the following is
View answer and explanation
Correct option: A
(A) is true, (R) is true and (R) is the correct explanation for (A)
Option A is correct because species are dynamic and constantly adapting to their environment, making the reason a valid explanation for the assertion.
147
Easy
147 of 152
Understanding
+4 | -1
Which of the following taxonomic ranks contain organism most similar to one another?
View answer and explanation
Correct option: D
Species
Option D (Species) is correct because organisms within the same species share the most similar characteristics and are capable of interbreeding.
148
Medium
148 of 152
Remembering
+4 | -1
How many species have been identified and described till now?
View answer and explanation
Correct option: B
1.7-1.8 million
Option B (1.7-1.8 million) is correct because approximately 1.7 to 1.8 million species have been identified and described to date.
149
Easy
149 of 152
Remembering
+4 | -1
The Sum total of all the chemical reactions occurring in the body is known as
View answer and explanation
Correct option: A
Metabolism
Option A (Metabolism) is correct because metabolism encompasses all chemical reactions, both anabolic (building up) and catabolic (breaking down), that occur within a living organism.
150
Medium
150 of 152
Analyzing
+4 | -1
Select the odd one from the following.
View answer and explanation
Correct option: D
sapiens
Option D (sapiens) is the odd one because familiaris, lupus, and aureus are specific epithets, while sapiens is also a specific epithet but refers to a different genus (Homo).
Revision notes and key takeaways
Review LIVING WORLD in your textbook or class notes, then use this set to check your understanding.
Showing 121-150 of 152 questions