Dive into the essence of biology with our Living World NEET MCQ blog post, an essential resource for NEET aspirants focused on the fundamental concepts of life.
The Living World encompasses the study of the characteristics that distinguish the living from the non-living, the diversity of life forms on Earth, and the processes that unite all organisms. This includes an understanding of biological classification, nomenclature, and the concept of species, as well as the significance of biodiversity and conservation. Mastery of these topics is crucial for a solid foundation in biology and success in exams like the NEET.
By tackling these carefully selected multiple-choice questions, you’ll reinforce your knowledge of the living world and its complexities. Whether you’re preparing for the NEET exam or passionate about understanding the basics of biology, this quiz offers a comprehensive overview to enhance your learning journey. Let’s explore the vibrant tapestry of life together!
1. Which among these is not a taxonomic aid?
Answer:
Explanation:
Physiology is the study of functions of living organisms. It is not a taxonomic aid, which is used for identification and classification of organisms.
2. Biological names are derived from which language?
Answer:
Explanation:
Biological names are primarily derived from Latin because it is a dead language, ensuring that meanings of words will not change over time.
3. Which of the following is not a correct binomial name?
Answer:
Explanation:
A binomial name consists of two words – the genus name followed by the species name. “Canis” is only a genus name.
4. Who is known as the father of taxonomy?
Answer:
Explanation:
Carl Linnaeus is known as the father of taxonomy for his pioneering work in the classification of organisms.
5. In which taxonomic aid can dried plant specimens be seen?
Answer:
Explanation:
A herbarium is a collection of preserved plant specimens and associated data used for scientific study.
6. The term ‘systematics’ is used to describe:
Answer:
Explanation:
Systematics deals with the identification, classification, and nomenclature of organisms.
7. How many kingdoms did Robert H. Whittaker propose in his five-kingdom classification?
Answer:
Explanation:
Robert H. Whittaker proposed a five-kingdom classification: Monera, Protista, Fungi, Plantae, and Animalia.
8. Which one of the following is not a correctly matched pair?
Answer:
Explanation:
The three domain system was proposed by Carl Woese, not Ernst Haeckel.
9. In the hierarchy of classification, which of the following is the correct order of taxa from highest to lowest?
Answer:
Explanation:
The correct hierarchy from the highest to lowest in classification is Phylum, Class, Order, and then Family.
10. Which taxonomic aid provides an index to the plant species of a particular area?
Answer:
Explanation:
Flora refers to the list of plant species in a particular geographical area.
11. What is the primary aim of taxonomy?
Answer:
Explanation:
The primary aim of taxonomy is to classify organisms based on similarities and differences.
12. What is a monophyletic group?
Answer:
Explanation:
A monophyletic group comprises an ancestral species and all its descendants.
13. Who introduced the concept of ‘species’ as a group of organisms?
Answer:
Explanation:
John Ray was the one who introduced the concept of species as a group of organisms.
14. Which among these is the basic unit of classification?
Answer:
Explanation:
Species is considered the basic unit in the hierarchy of classification.
15. The scientific name of the human being is written correctly as:
Answer:
Explanation:
According to binomial nomenclature, the genus name is capitalized, while the species name is written in lowercase.
16. The evolutionary development and diversification of a species or group of organisms is termed:
Answer:
Explanation:
Phylogeny refers to the evolutionary development and diversification of a species or group of organisms.
17. Which taxonomic category represents the most closely related group of organisms?
Answer:
Explanation:
Genus is a taxonomic rank that is more specific than family and represents a group of species that are closely related.
18. The correct order of taxonomic categories is:
Answer:
Explanation:
The taxonomic hierarchy goes from broader categories to more specific ones, starting with Kingdom and ending with Species.
19. Taxonomic keys are used for:
Answer:
Explanation:
Taxonomic keys provide a systematic and stepwise approach to identify the species of an organism.
20. What does ICZN stand for?
Answer:
Explanation:
ICZN stands for International Code of Zoological Nomenclature, which is a set of rules to name animals.
21. The category which is between class and family is:
Answer:
Explanation:
In the taxonomic hierarchy, the category between class and family is the order.
22. Which category in the taxonomic hierarchy is more general than genus but more specific than order?
Answer:
Explanation:
In the taxonomic hierarchy, the category more general than genus but more specific than order is family.
23. Two plants that belong to the same __________ must also belong to the same family and order.
Answer:
Explanation:
In the taxonomic hierarchy, if two plants belong to the same genus, they necessarily belong to the same family and order as well.
24. Which of the following is not a principal taxonomic category?
Answer:
Explanation:
“Universe” is not a recognized taxonomic category. The other options, Tribe, Division, and Kingdom, are all taxonomic categories.
25. Which of the following factors exclusively affects reproduction in seasonal breeders, both plants and animals?
Answer:
Explanation:
Seasonal breeders, both plants and animals, use the photoperiod (length of day and night) as a cue for timing their reproductive cycles. While water and temperature can impact the overall health and reproductive capabilities, it is the photoperiod that exclusively determines the breeding season for many organisms.
26. The keys are based on contrasting characters generally in a pair called _______.
Answer:
Explanation:
In taxonomy, keys are based on contrasting characters that help in identifying organisms. These characters are generally in pairs and are referred to as a “couplet”. Flora refers to the plants of a particular region or habitat, and manuals are descriptive accounts of species, but the correct term for the paired contrasting characters in keys is “couplet”.
27. The order generally ends with
Answer:
Explanation:
In the biological nomenclature, taxonomic ranks have specific endings to denote their level. For plants, the order typically ends with “ales”, while the family ends with “aceae”.
28. Which of the following term is used to refer the number of varieties of plants and animals on earth?
Answer:
Explanation:
Biodiversity refers to the variety and variability of life on Earth. It encompasses the number of different species of plants and animals, the genetic differences within these species, and the ecosystems and habitats in which they are found.
29. Taxon is a
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Explanation:
A taxon encompasses all included taxa of lower rank and individual organisms. It represents a group of closely related organisms at any level in the classification hierarchy.
30. Which of the following taxonomic aid provides information for the identification of names of species found in an area?
Answer:
Explanation:
Manuals provide the key for the identification of names of species occurring in an area. They are especially designed for ready reference to the names of species and are used extensively by taxonomists and researchers in the field
31. The famous botanical garden ‘Kew’ is located in
Answer:
Explanation:
The Royal Botanic Gardens, Kew, commonly known as Kew Gardens, is located in southwest London, England. It is a world-famous botanical garden and a center of botanical research and conservation.
32. Herbarium is a
Answer:
Explanation:
A herbarium is a collection of preserved plant specimens and associated data used for scientific study. The specimens are dried, pressed, and mounted on sheets. It serves as a reference center and provides authentic plant material for taxonomic and phylogenetic studies.
33. ICBN stands for
Answer:
Explanation:
ICBN (International Code of Botanical Nomenclature) provides the rules and guidelines for naming plants. It ensures that every plant has a unique and universally accepted scientific name.
34. Binomial nomenclature means
Answer:
Explanation:
Binomial nomenclature refers to the system of naming an organism with two terms: the first indicating the genus and the second indicating the species. This system was introduced by Carl Linnaeus.
35. Families are characterized on which of the following features of plant species?
Answer:
Explanation:
The classification of plants into families is largely based on the vegetative and reproductive parts. These characteristics provide essential information about the relationships among different species, thus aiding in their classification into appropriate families.