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Objective Questions

Latest KVS LDE LDCE PGT Biology Exam Question (Objective Questions), MCQ in English

Subjects : Subject Knowledge Test (Biology)

Question Bank KVS LDE/LDCE PGT (Biology) Exam Tier 1 - English
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Subject Knowledge Test (Biology)

Question 1Single Answer
What is the primary reason for classifying living organisms?
  1. A
    To memorize their names
  2. B
    To understand relationships among organisms
  3. C
    To decorate textbooks
  4. D
    To increase biodiversity
Question 2Single Answer
Who is known as the father of taxonomy?
  1. A
    Carolus Linnaeus
  2. B
    Charles Darwin
  3. C
    Aristotle
  4. D
    Gregor Mendel
Question 3Single Answer
How many domains of life are recognized in the modern classification system?
  1. A
    3
  2. B
    2
  3. C
    4
  4. D
    5
Question 4Single Answer
Which of the following is NOT one of the three domains of life?
  1. A
    Fungi
  2. B
    Bacteria
  3. C
    Archaea
  4. D
    Eukarya
Question 5Single Answer
What is the main basis of classification in modern taxonomy?
  1. A
    Habitat
  2. B
    Evolutionary relationships
  3. C
    Morphology
  4. D
    Economic importance
Question 6Single Answer
The term 'species' is defined as:
  1. A
    A group of organisms with similar color
  2. B
    Organisms living in the same habitat
  3. C
    Organisms capable of interbreeding and producing fertile offspring
  4. D
    Organisms with identical size
Question 7Single Answer
Binomial nomenclature consists of:
  1. A
    Kingdom and species name
  2. B
    Genus and species name
  3. C
    Family and genus name
  4. D
    Class and order name
Question 8Single Answer
Who introduced binomial nomenclature?
  1. A
    Aristotle
  2. B
    Haeckel
  3. C
    Mendel
  4. D
    Linnaeus
Question 9Single Answer
Which of the following is a correct binomial name?
  1. A
    Homo sapiensensis
  2. B
    homo Sapiens
  3. C
    Homo Sapiens
  4. D
    Homo sapiens
Question 10Single Answer
Taxonomy is mainly concerned with:
  1. A
    Evolution
  2. B
    Genetics
  3. C
    Classification, identification, and nomenclature
  4. D
    Ecology
Question 11Single Answer
Systematics deals with:
  1. A
    Understanding evolutionary relationships
  2. B
    Naming of organisms
  3. C
    Counting species
  4. D
    Studying ecosystems
Question 12Single Answer
Which hierarchy level comes just above species?
  1. A
    Class
  2. B
    Family
  3. C
    Genus
  4. D
    Order
Question 13Single Answer
The broadest taxonomic category is:
  1. A
    Kingdom
  2. B
    Phylum
  3. C
    Domain
  4. D
    Class
Question 14Single Answer
Archaebacteria are known for:
  1. A
    Living in extreme environments
  2. B
    Causing diseases
  3. C
    Producing oxygen
  4. D
    Being multicellular
Question 15Single Answer
Which domain includes all prokaryotic organisms except Archaea?
  1. A
    Bacteria
  2. B
    Eukarya
  3. C
    Protista
  4. D
    Fungi
Question 16Single Answer
Eukarya includes:
  1. A
    Plants, animals, fungi, and protists
  2. B
    Archaea only
  3. C
    Bacteria only
  4. D
    Viruses only
Question 17Single Answer
What is the main feature that distinguishes prokaryotes from eukaryotes?
  1. A
    Size of ribosomes
  2. B
    Presence of cell membrane
  3. C
    Presence or absence of a nucleus
  4. D
    Color of the cell
Question 18Single Answer
Who proposed the five-kingdom classification?
  1. A
    Linnaeus
  2. B
    Whittaker
  3. C
    Darwin
  4. D
    Haeckel
Question 19Single Answer
Which kingdom includes multicellular photosynthetic organisms?
  1. A
    Fungi
  2. B
    Animalia
  3. C
    Protista
  4. D
    Plantae
Question 20Single Answer
Protista includes:
  1. A
    Multicellular animals
  2. B
    Unicellular eukaryotes
  3. C
    Multicellular plants
  4. D
    Prokaryotic bacteria
Question 21Single Answer
Which of the following is an example of Archaebacteria?
  1. A
    E. coli
  2. B
    Methanogens
  3. C
    Amoeba
  4. D
    Yeast
Question 22Single Answer
Organisms in which kingdom absorb nutrients from dead and decaying matter belong to:
  1. A
    Plantae
  2. B
    Animalia
  3. C
    Fungi
  4. D
    Protista
Question 23Single Answer
Which level of taxonomic hierarchy is based on similar structure and function?
  1. A
    Genus
  2. B
    Class
  3. C
    Family
  4. D
    Order
Question 24Single Answer
A group of similar orders forms a:
  1. A
    Family
  2. B
    Phylum
  3. C
    Class
  4. D
    Genus
Question 25Single Answer
Linnaeus classified humans under which genus?
  1. A
    Australopithecus
  2. B
    Homo
  3. C
    Pan
  4. D
    Pongo
Question 26Single Answer
The scientific name of rice is:
  1. A
    Oryza sativa
  2. B
    Oryza Sativa
  3. C
    oryza Sativa
  4. D
    Oryza sativum
Question 27Single Answer
Which kingdom is considered the most primitive among eukaryotes?
  1. A
    Plantae
  2. B
    Animalia
  3. C
    Fungi
  4. D
    Protista
Question 28Single Answer
The classification system that uses evolutionary relationships is called:
  1. A
    Phenetics
  2. B
    Morphology
  3. C
    Cladistics
  4. D
    Binomial nomenclature
Question 29Single Answer
Which of the following is not a characteristic of Archaea?
  1. A
    Prokaryotic
  2. B
    Unicellular
  3. C
    Extremophiles
  4. D
    Peptidoglycan in cell wall
Question 30Single Answer
Which of the following levels is more inclusive than family?
  1. A
    Species
  2. B
    Genus
  3. C
    Order
  4. D
    Subspecies
Question 31Single Answer
Taxonomy helps in:
  1. A
    All of the above
  2. B
    Understanding evolutionary relationships
  3. C
    Studying ecological roles
  4. D
    Naming organisms
Question 32Single Answer
The term ‘systematics’ was introduced by:
  1. A
    Linnaeus
  2. B
    Darwin
  3. C
    Hennig
  4. D
    Mendel
Question 33Single Answer
What is the domain of E. coli?
  1. A
    Bacteria
  2. B
    Archaea
  3. C
    Eukarya
  4. D
    Protista
Question 34Single Answer
Which kingdom has organisms with chitin in cell walls?
  1. A
    Plantae
  2. B
    Animalia
  3. C
    Fungi
  4. D
    Protista
Question 35Single Answer
The study of identification and naming of organisms is called:
  1. A
    Ecology
  2. B
    Taxonomy
  3. C
    Genetics
  4. D
    Anatomy
Question 36Single Answer
Which of the following is true about the binomial nomenclature?
  1. A
    Genus name is lowercase
  2. B
    Species name is capitalized
  3. C
    Both names are italicized
  4. D
    Both names are written in uppercase
Question 37Single Answer
The main advantage of classification is:
  1. A
    Memorizing names
  2. B
    Easier study of organisms
  3. C
    Reducing biodiversity
  4. D
    Studying only plants
Question 38Single Answer
Linnaeus introduced the hierarchical classification system consisting of:
  1. A
    Five categories
  2. B
    Eight categories
  3. C
    Seven categories
  4. D
    Ten categories
Question 39Single Answer
Which kingdom contains organisms that are autotrophic or heterotrophic?
  1. A
    Protista
  2. B
    Plantae
  3. C
    Animalia
  4. D
    Fungi
Question 40Single Answer
Archaebacteria differ from bacteria in:
  1. A
    All of the above
  2. B
    Cell wall composition
  3. C
    DNA sequence
  4. D
    Ribosome structure
Question 41Single Answer
Which of the following is true about a species?
  1. A
    Can only live in one habitat
  2. B
    Always have identical morphology
  3. C
    Can interbreed and produce fertile offspring
  4. D
    Are always genetically identical
Question 42Single Answer
The unit of classification in taxonomy is:
  1. A
    Genus
  2. B
    Species
  3. C
    Family
  4. D
    Kingdom
Question 43Single Answer
Which domain is most diverse in terms of habitats?
  1. A
    Eukarya
  2. B
    Archaea
  3. C
    Bacteria
  4. D
    Protista
Question 44Single Answer
The phylum is a taxonomic rank that comes:
  1. A
    Below class and above order
  2. B
    Above kingdom
  3. C
    Below order and above family
  4. D
    Below kingdom and above class
Question 45Single Answer
What does the term ‘hierarchy’ in taxonomy mean?
  1. A
    Order of discovery of organisms
  2. B
    Levels of classification from broad to specific
  3. C
    Study of ecology
  4. D
    Study of fossils
Question 46Single Answer
The classification system which uses molecular data is called:
  1. A
    Classical taxonomy
  2. B
    Morphology-based taxonomy
  3. C
    Phylogenetic taxonomy
  4. D
    Binomial nomenclature
Question 47Single Answer
Fungi reproduce by:
  1. A
    Binary fission
  2. B
    Spores
  3. C
    Seeds
  4. D
    Budding only
Question 48Single Answer
The basic purpose of giving scientific names is to:
  1. A
    Show the color of organism
  2. B
    Avoid confusion due to local names
  3. C
    Show size of organism
  4. D
    Identify edible plants only
Question 49Single Answer
Which taxonomic category comes just below phylum?
  1. A
    Order
  2. B
    Class
  3. C
    Family
  4. D
    Genus
Question 50Single Answer
Archaebacteria were first discovered in:
  1. A
    Soil
  2. B
    Oceans only
  3. C
    Extreme environments like hot springs
  4. D
    Human body
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