The payment was collected by the hardworking salesman.
A
The hardworking salesman collected the payment.
B
the salesman who worked heard was able to collect the payment.
C
to collect the payment the salesman had to work hard.
D
The hardworking salesman was able to collect the payment.
Question 12Single Answer
I had to stop all my work to complete this project.
A
All other work had to be stopped to complete this project by me
B
For completing this project all other work must be stopped
C
For completing this project I had to stop all my work
D
To complete this project all other work had been stopped by me
Question 13Single Answer
They have published the names of all the successful candidates.
A
The candidates who have succeeded their names they had published.
B
The names of all the successful candidates have been published by them
C
The candidates who have succeeded their names have been published by them.
D
The names of all the successful candidate were published by them.
General Knowledge & Reasoning, Numerical Ability
Question 14Single Answer
Yojna a weekly journal
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 15Single Answer
Kurukshetra a journal on rural development is published by
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 16Single Answer
How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?
A
Two
B
Three
C
Five
D
Four
E
None of these
Question 17Single Answer
The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?
A
51:52
B
52:53
C
51:53
D
52:55
Question 18Single Answer
Which ancient city in Madhya Pradesh was a significant cultural and political center during the Maurya and Gupta periods?
A
Indore
B
Bhopal
C
Ujjain
D
Gwalior
Question 19Single Answer
In a centrally planned economy, what is the primary mechanism for resource allocation?
A
Market prices
B
Government directives
C
Consumer preferences
D
Private enterprise
Question 20Single Answer
Which day is observed on 1 October every year as declared by the United Nations?
A
World Teachers’ Day
B
International Day of Non-Violence
C
World Food Day
D
International Day of Older Persons
Pedagogy
Question 21Single Answer
What is the most comprehensive meaning of curriculum in modern education?
A
A prescribed list of textbooks
B
A fixed timetable of classroom activities
C
A collection of examination questions
D
All planned learning experiences provided by a school
Question 22Single Answer
Which principle of curriculum construction emphasizes students' needs, interests and abilities?
A
Principle of rigidity
B
Principle of uniformity
C
Principle of standardization
D
Principle of learner-centeredness
Question 23Single Answer
Which curriculum organization arranges content according to separate academic disciplines?
A
Problem-centered organization
B
Activity-centered organization
C
Experience-centered organization
D
Subject-centered organization
Question 24Single Answer
Which curriculum approach emphasizes learning through meaningful activities and experiences?
A
Examination-centered approach
B
Content-dominated approach
C
Teacher-dominated approach
D
Experience-centered approach
Question 25Single Answer
What is the primary purpose of curriculum evaluation?
A
To increase the number of textbooks
B
To reduce teacher participation
C
To eliminate classroom activities
D
To determine curriculum effectiveness and identify improvements
Question 26Single Answer
Which principle ensures that curriculum content remains relevant to changing social conditions?
A
Principle of rigidity
B
Principle of isolation
C
Principle of uniform repetition
D
Principle of flexibility
Question 27Single Answer
What does the hidden curriculum mainly include?
A
Officially prescribed chapters
B
Published examination syllabi
C
Unwritten values, attitudes and social expectations learned at school
D
Formally stated learning outcomes
Question 28Single Answer
Which curriculum design connects different subjects around a common theme?
A
Fragmented curriculum
B
Subject-isolated curriculum
C
Integrated curriculum
D
Examination-only curriculum
Question 29Single Answer
What is the central feature of a spiral curriculum?
A
Revisiting concepts at increasing levels of complexity
B
Eliminating previously taught concepts
C
Teaching unrelated subjects randomly
D
Completing each topic only once
Question 30Single Answer
Which educational thinker is strongly associated with the spiral curriculum?
A
Jerome Bruner
B
Ivan Pavlov
C
Edward Thorndike
D
Alfred Binet
Biology
Question 31Single Answer
Which characteristic is considered the most defining feature of living organisms?
A
Increase in size
B
Presence of inorganic substances
C
Ability to move from place to place
D
Cellular organization and metabolism
Question 32Single Answer
Which biological property is absent in all nonliving objects?
A
Increase in mass
B
Chemical composition
C
Physical movement
D
Self-regulated metabolic reactions
Question 33Single Answer
Which level of biological organization immediately follows the tissue level?
A
Organ system level
B
Cellular level
C
Organ level
D
Population level
Question 34Single Answer
Which scientist introduced the term biology independently along with Treviranus?
A
Robert Hooke
B
Carolus Linnaeus
C
Jean-Baptiste Lamarck
D
Charles Darwin
Question 35Single Answer
Which process maintains relatively stable internal conditions in living organisms?
A
Mutation
B
Speciation
C
Evolution
D
Homeostasis
Question 36Single Answer
Which biological molecule primarily stores hereditary information in cellular organisms?
A
ATP
B
DNA
C
Glycogen
D
Cholesterol
Question 37Single Answer
Which feature distinguishes biological growth from crystal growth?
A
Growth through internal cellular processes
B
Deposition of external material
C
Formation of regular structures
D
Increase in volume
Question 38Single Answer
Which term describes the maximum potential lifespan of an organism under ideal conditions?
A
Generation time
B
Life expectancy
C
Doubling time
D
Lifespan
Question 39Single Answer
Which type of programmed cell death plays an important role in animal development?
A
Necrosis
B
Autolysis
C
Apoptosis
D
Plasmolysis
Question 40Single Answer
Which structure represents the fundamental structural and functional unit of life?
A
Molecule
B
Tissue
C
Organ
D
Cell
Question 41Single Answer
Who proposed the three-domain system of biological classification?
A
Ernst Haeckel
B
Carl Woese
C
Carl Linnaeus
D
R.H. Whittaker
Question 42Single Answer
Which three domains constitute the three-domain system?
A
Monera, Protista and Fungi
B
Plants, Animals and Fungi
C
Bacteria, Archaea and Eukarya
D
Prokaryota, Protista and Animalia
Question 43Single Answer
Which domain includes organisms having ether-linked membrane lipids as a characteristic feature?
A
Eukarya
B
Bacteria
C
Archaea
D
Protista
Question 44Single Answer
Which scientific discipline deals with identification, nomenclature and classification of organisms?
A
Embryology
B
Ecology
C
Cytology
D
Taxonomy
Question 45Single Answer
Which field includes taxonomy along with evolutionary relationships among organisms?
A
Systematics
B
Physiology
C
Anatomy
D
Histology
Question 46Single Answer
Which taxonomic category is immediately above genus?
A
Order
B
Class
C
Species
D
Family
Question 47Single Answer
Which taxonomic category contains closely related species?
A
Genus
B
Family
C
Order
D
Phylum
Question 48Single Answer
Which sequence represents the correct ascending order of taxonomic hierarchy?
A
Genus, Species, Order, Family, Class
B
Species, Genus, Family, Order, Class
C
Species, Family, Genus, Class, Order
D
Family, Genus, Species, Class, Order
Question 49Single Answer
Which taxonomic rank is generally used in plant classification corresponding to phylum in animals?
A
Division
B
Family
C
Class
D
Order
Question 50Single Answer
Who is popularly known as the father of modern taxonomy?
A
Aristotle
B
John Ray
C
Carolus Linnaeus
D
Theophrastus
Important Questions Package
MP High School Teacher Biology Exam Online Question Bank Package
Buy MP High School Teacher Biology Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in MP High School Teacher Biology question bank 2026 in Online, PDF & Print study material.
+ Free Monthly Current Affairs, GK & more PDF Download
Sr.
Package Name
Amount
1.
MP High School Teacher Biology Exam - Hindi
Description : 1000 Question with Answer
₹101[₹500]
2.
MP High School Teacher Biology Exam - Hindi
Description : 2000 Question with Answer
₹151[₹500]
3.
MP High School Teacher Biology Exam - English
Description : 1000 Question with Answer
₹101[₹500]
4.
MP High School Teacher Biology Exam - English
Description : 2000 Question with Answer
₹151[₹500]
5.
MP High School Teacher Biology Exam - Hindi
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
6.
MP High School Teacher Biology Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
7.
MP High School Teacher Biology Exam Question Bank Book - Hindi
Description : 1000 Question with Answer (Printed Material)
₹450[₹800]
8.
MP High School Teacher Biology Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390[₹600]
Biology
Question 51Single Answer
Which book published by Linnaeus is associated with the formal starting point of zoological nomenclature?
A
Species Plantarum
B
Systema Naturae, 10th edition
C
Historia Plantarum
D
Genera Plantarum
Question 52Single Answer
Which publication by Linnaeus in 1753 marks the starting point for modern botanical nomenclature of most plant groups?
A
Origin of Species
B
Systema Naturae
C
Species Plantarum
D
Historia Animalium
Question 53Single Answer
Which component of a scientific name is written first in binomial nomenclature?
A
Generic name
B
Specific epithet
C
Author abbreviation
D
Family name
Question 54Single Answer
Which scientific name is correctly written according to binomial nomenclature?
A
mangifera Indica
B
MANGIFERA INDICA
C
mangifera indica
D
Mangifera indica
Question 55Single Answer
Which naming system uses three parts to designate a subspecies in zoology?
A
Binomial nomenclature
B
Vernacular nomenclature
C
Polynomial nomenclature
D
Trinomial nomenclature
Question 56Single Answer
Which concept defines species primarily through the ability of populations to interbreed and produce fertile offspring?
A
Phylogenetic species concept
B
Morphological species concept
C
Ecological species concept
D
Biological species concept
Question 57Single Answer
Who is particularly associated with the biological species concept?
A
Charles Darwin
B
Ernst Mayr
C
John Ray
D
R.H. Whittaker
Question 58Single Answer
Which taxonomic aid preserves dried, pressed and mounted plant specimens?
A
Zoological park
B
Herbarium
C
Botanical garden
D
Aquarium
Question 59Single Answer
Which information is most essential on a herbarium specimen label?
A
Market price of the plant
B
Collection locality and collector details
C
Commercial fertilizer requirements
D
Annual rainfall of the country
Question 60Single Answer
Which taxonomic facility maintains living plant collections for scientific study?
A
Herbarium
B
Botanical garden
C
Museum
D
Seed processing factory
Question 61Single Answer
Which instrument is commonly used for detailed examination of small taxonomic structures?
A
Barometer
B
Hygrometer
C
Calorimeter
D
Dissecting microscope
Question 62Single Answer
Which taxonomic tool is based on a series of contrasting characters for identifying organisms?
A
Dichotomous key
B
Herbarium sheet
C
Botanical illustration
D
Fossil record
Question 63Single Answer
Which type of taxonomic key provides two contrasting alternatives at each decision point?
A
Dichotomous key
B
Synoptic key
C
Numerical catalogue
D
Phylogenetic tree
Question 64Single Answer
Which international code regulates the scientific naming of animals?
A
ICN
B
ICZN
C
IUCN
D
CBD
Question 65Single Answer
Which code regulates scientific names of algae, fungi and plants?
A
ICN
B
ICNP
C
ICTV Code
D
ICZN
Question 66Single Answer
Which principle generally gives precedence to the earliest validly published legitimate botanical name?
A
Principle of exclusion
B
Principle of similarity
C
Principle of dominance
D
Principle of priority
Question 67Single Answer
Which nomenclatural concept permanently attaches a scientific name to a designated specimen or element?
A
Taxonomic affinity
B
Hybridization
C
Typification
D
Ecological succession
Question 68Single Answer
Which specimen is designated as the single nomenclatural type when a new species is formally described?
A
Syntype
B
Paratype
C
Holotype
D
Neotype
Question 69Single Answer
Who proposed the five-kingdom classification system in 1969?
A
Carl Woese
B
Ernst Haeckel
C
Herbert Copeland
D
R.H. Whittaker
Question 70Single Answer
Which kingdom includes prokaryotic organisms in Whittaker's five-kingdom system?
A
Protista
B
Fungi
C
Monera
D
Plantae
Question 71Single Answer
Which kingdom primarily contains unicellular eukaryotic organisms in the five-kingdom system?
A
Animalia
B
Monera
C
Protista
D
Plantae
Question 72Single Answer
Which major criterion was used by Whittaker to distinguish fungi from plants?
A
Presence of nuclei
B
Mode of nutrition
C
Presence of ribosomes
D
Cellular organization
Question 73Single Answer
Which component is generally responsible for the rigidity of bacterial cell walls?
A
Cellulose
B
Peptidoglycan
C
Lignin
D
Chitin
Question 74Single Answer
Which bacterial group lacks a conventional cell wall?
A
Cyanobacteria
B
Actinomycetes
C
Purple sulfur bacteria
D
Mycoplasma
Question 75Single Answer
Which bacteria are characterized by a thick peptidoglycan layer that retains crystal violet during Gram staining?
A
Gram-negative bacteria
B
Acid-fast bacteria exclusively
C
Gram-positive bacteria
D
Wall-less bacteria
Question 76Single Answer
Which bacterial structure primarily provides locomotion in many motile species?
A
Plasmid
B
Capsule
C
Flagellum
D
Ribosome
Question 77Single Answer
Which structure helps certain bacteria survive extremely unfavorable environmental conditions?
A
Mesosome
B
Endospore
C
Glycocalyx
D
Pilus
Question 78Single Answer
Which group includes oxygen-producing photosynthetic prokaryotes?
A
Cyanobacteria
B
Halophiles
C
Methanogens
D
Mycoplasmas
Question 79Single Answer
Which specialized cell performs nitrogen fixation in many filamentous cyanobacteria?
A
Akinete
B
Heterocyst
C
Hormogonium
D
Vegetative cell
Question 80Single Answer
Which genus represents a filamentous nitrogen-fixing cyanobacterium?
A
Anabaena
B
Amoeba
C
Paramecium
D
Rhizopus
Question 81Single Answer
Which group of archaea produces methane under anaerobic conditions?
A
Halophiles
B
Methanogens
C
Cyanobacteria
D
Thermoacidophiles
Question 82Single Answer
Which archaea commonly inhabit environments with extremely high salt concentrations?
A
Methanogens
B
Nitrifying bacteria
C
Extreme halophiles
D
Mycoplasmas
Question 83Single Answer
Which protist possesses two flagella and cellulose plates in many species?
A
Euglena
B
Dinoflagellate
C
Amoeba
D
Paramecium
Question 84Single Answer
Which organism is a common example of euglenoids?
A
Agaricus
B
Diatom
C
Nostoc
D
Euglena
Question 85Single Answer
Which protective covering surrounds the cell of Euglena?
A
Proteinaceous pellicle
B
Cellulose wall
C
Chitinous wall
D
Siliceous frustule
Question 86Single Answer
Which protists possess siliceous cell walls forming two overlapping halves?
A
Diatoms
B
Dinoflagellates
C
Slime moulds
D
Ciliates
Question 87Single Answer
Which material forms the major mineral component of diatomaceous earth?
A
Calcium carbonate
B
Calcium phosphate
C
Silica
D
Magnesium sulfate
Question 88Single Answer
Which protist group can form aggregations and resistant spore-bearing structures under unfavorable conditions?
A
Slime moulds
B
Diatoms
C
Dinoflagellates
D
Euglenoids
Question 89Single Answer
Which organism is traditionally classified as a ciliated protozoan?
A
Plasmodium
B
Paramecium
C
Entamoeba
D
Trypanosoma
Question 90Single Answer
Which protozoan parasite causes malaria in humans?
A
Giardia
B
Trypanosoma
C
Leishmania
D
Plasmodium
Question 91Single Answer
Which structural component is commonly present in fungal cell walls?
A
Peptidoglycan
B
Lignin
C
Chitin
D
Suberin
Question 92Single Answer
Which mode of nutrition is characteristic of most fungi?
A
Photoautotrophy
B
Absorptive heterotrophy
C
Holozoic nutrition
D
Chemolithoautotrophy
Question 93Single Answer
Which vegetative structure constitutes the body of most multicellular fungi?
A
Protonema
B
Prothallus
C
Mycelium
D
Thalloid gametophyte
Question 94Single Answer
Which fungal group traditionally includes Rhizopus and Mucor in classical classification?
A
Basidiomycetes
B
Ascomycetes
C
Deuteromycetes
D
Phycomycetes
Question 95Single Answer
Which structure produces sexual ascospores in Ascomycetes?
A
Basidium
B
Conidiophore
C
Sporangium
D
Ascus
Question 96Single Answer
Which fungal group typically produces basidiospores externally on basidia?
A
Ascomycetes
B
Basidiomycetes
C
Zygomycetes
D
Chytridiomycetes
Question 97Single Answer
Which fungal reproductive spores are commonly produced asexually by Penicillium?
A
Zoospores
B
Basidiospores
C
Oospores
D
Conidia
Question 98Single Answer
Which fungal genus is associated with the production of the antibiotic penicillin?
A
Puccinia
B
Penicillium
C
Ustilago
D
Albugo
Question 99Single Answer
Which term describes a mutualistic association between fungal hyphae and plant roots?
A
Lichen
B
Mycorrhiza
C
Rhizoid
D
Haustorium
Question 100Single Answer
Which association commonly involves a fungus and a photosynthetic alga or cyanobacterium?
A
Mycorrhiza
B
Lichen
C
Endospore
D
Sorus
Question 101Single Answer
Which lichens grow closely attached to rock surfaces in a crust-like form?
A
Foliose lichens
B
Crustose lichens
C
Gelatinous lichens
D
Fruticose lichens
Question 102Single Answer
Which organisms are considered acellular infectious agents?
A
Bacteria
B
Fungi
C
Viruses
D
Protozoa
Question 103Single Answer
Which scientist demonstrated that tobacco mosaic disease was caused by an agent passing through bacteria-retaining filters?
A
Robert Koch
B
Dmitri Ivanovsky
C
Louis Pasteur
D
Alexander Fleming
Question 104Single Answer
Which scientist crystallized tobacco mosaic virus in 1935?
A
Wendell Stanley
B
Martinus Beijerinck
C
Edward Jenner
D
Frederick Griffith
Question 105Single Answer
Which component forms the protective protein covering of a virus?
A
Capsule
B
Capsid
C
Cell wall
D
Pellicle
Question 106Single Answer
Which genetic material is present in tobacco mosaic virus?
A
Double-stranded DNA
B
Single-stranded RNA
C
Single-stranded DNA
D
Double-stranded RNA
Question 107Single Answer
Which infectious agent consists of small circular RNA molecules without a protein coat?
A
Prion
B
Viroid
C
Bacteriophage
D
Plasmid
Question 108Single Answer
Who discovered viroids while investigating potato spindle tuber disease?
A
Wendell Stanley
B
Theodor Diener
C
Frederick Twort
D
Robert Hooke
Question 109Single Answer
Which infectious agent consists primarily of an abnormally folded protein?
A
Viroid
B
Virus
C
Prion
D
Plasmid
Question 110Single Answer
Which viral replication pathway results in the immediate destruction of the host bacterial cell?
A
Lysogenic cycle
B
Calvin cycle
C
Krebs cycle
D
Lytic cycle
Question 111Single Answer
Which plant group is characterized by a predominantly aquatic thalloid body?
A
Bryophytes
B
Algae
C
Gymnosperms
D
Angiosperms
Question 112Single Answer
Which pigment combination is characteristic of green algae?
A
Bacteriochlorophyll
B
Chlorophyll a and c
C
Chlorophyll a and d
D
Chlorophyll a and b
Question 113Single Answer
Which reserve food material is generally found in Chlorophyceae?
A
Laminarin
B
Floridean starch
C
Glycogen
D
Starch
Question 114Single Answer
Which green alga forms spherical colonies showing division of labor among cells?
A
Chlamydomonas
B
Volvox
C
Spirogyra
D
Ulothrix
Question 115Single Answer
Which green alga is known for spiral ribbon-shaped chloroplasts?
A
Chara
B
Ulva
C
Volvox
D
Spirogyra
Question 116Single Answer
Which pigment is mainly responsible for the brown color of Phaeophyceae?
A
Phycocyanin
B
Phycoerythrin
C
Fucoxanthin
D
Anthocyanin
Question 117Single Answer
Which reserve food substances are characteristic of brown algae?
A
Glycogen and cellulose
B
Laminarin and mannitol
C
Floridean starch and glycogen
D
Sucrose and fructose
Question 118Single Answer
Which algal group generally contains phycoerythrin as a major accessory pigment?
A
Rhodophyceae
B
Phaeophyceae
C
Chlorophyceae
D
Xanthophyceae
Question 119Single Answer
Which red alga is commercially important for agar production?
A
Fucus
B
Gelidium
C
Chara
D
Sargassum
Question 120Single Answer
Which structure provides attachment in many large marine brown algae?
A
Holdfast
B
Protonema
C
Rhizophore
D
Sporophyll
Question 121Single Answer
Which plant group is commonly described as the amphibians of the plant kingdom?
A
Gymnosperms
B
Bryophytes
C
Angiosperms
D
Pteridophytes
Question 122Single Answer
Which generation is dominant and photosynthetic in most bryophytes?
A
Sporophyte
B
Embryo
C
Zygote
D
Gametophyte
Question 123Single Answer
Which reproductive structure produces male gametes in bryophytes?
A
Archegonium
B
Gemma cup
C
Sporangium
D
Antheridium
Question 124Single Answer
Which liverwort reproduces vegetatively through gemmae formed in gemma cups?
A
Marchantia
B
Funaria
C
Polytrichum
D
Sphagnum
Question 125Single Answer
Which ecological role is especially associated with Sphagnum moss?
A
Nitrogen fixation through root nodules
B
Formation of coral reefs
C
Production of marine plankton
D
Peat formation and water retention
Question 126Single Answer
Which stage develops directly from a germinating moss spore?
A
Protonema
B
Embryo
C
Archegonium
D
Sporophyll
Question 127Single Answer
Which plant group first evolved well-developed vascular tissues among the major land plant groups?
A
Bryophytes
B
Fungi
C
Algae
D
Pteridophytes
Question 128Single Answer
Which generation is dominant in the life cycle of typical ferns?
A
Endosperm
B
Gametophyte
C
Protonema
D
Sporophyte
Question 129Single Answer
Which structure bears sporangia in many true ferns?
A
Gemma cup
B
Archegonium
C
Antheridium
D
Sorus
Question 130Single Answer
Which pteridophyte commonly exhibits heterospory?
A
Equisetum
B
Lycopodium
C
Psilotum
D
Selaginella
Question 131Single Answer
Which feature distinguishes gymnosperms from angiosperms?
A
Exposed ovules and seeds
B
Presence of vascular tissues
C
Formation of pollen grains
D
Dominant sporophytic generation
Question 132Single Answer
Which gymnosperm possesses coralloid roots associated with nitrogen-fixing cyanobacteria?
A
Cedrus
B
Pinus
C
Gnetum
D
Cycas
Question 133Single Answer
Which gymnosperm commonly possesses needle-shaped leaves and resin canals?
A
Ginkgo
B
Cycas
C
Pinus
D
Ephedra
Question 134Single Answer
Which structure is unique to angiosperms among the major plant groups?
A
Archegonium
B
Flower with enclosed ovules
C
Vascular cambium
D
Pollen tube
Question 135Single Answer
Which process produces a diploid zygote and usually a triploid primary endosperm nucleus in angiosperms?
A
Sporogenesis
B
Vegetative propagation
C
Double fertilization
D
Apomixis
Question 136Single Answer
Which type of body symmetry is commonly found in adult echinoderms?
A
Pentaradial symmetry
B
Asymmetry
C
Bilateral symmetry
D
Biradial symmetry
Question 137Single Answer
Which animals possess a body cavity that is not completely lined by mesoderm?
A
Acoelomates
B
Hemocoelomates
C
Eucoelomates
D
Pseudocoelomates
Question 138Single Answer
Which phylum includes triploblastic animals without a body cavity?
A
Mollusca
B
Annelida
C
Platyhelminthes
D
Echinodermata
Question 139Single Answer
Which embryonic structure generally develops into the mouth in protostomes?
A
Archenteron
B
Blastopore
C
Neural tube
D
Blastocoel
Question 140Single Answer
Which animal group is classified among deuterostomes?
A
Arthropoda
B
Annelida
C
Echinodermata
D
Mollusca
Question 141Single Answer
Which embryonic germ layer gives rise to muscles and most connective tissues?
A
Ectoderm
B
Mesoderm
C
Endoderm
D
Trophoblast
Question 142Single Answer
Which type of cleavage is classically associated with many protostome embryos?
A
Superficial cleavage
B
Radial cleavage
C
Discoidal cleavage
D
Spiral cleavage
Question 143Single Answer
Which structure defines a true coelom?
A
Body cavity completely lined by mesoderm
B
Cavity enclosed by ectoderm
C
Space between epidermal cells
D
Fluid-filled cavity inside the gut
Question 144Single Answer
Which phylum includes animals showing cellular-level organization without true tissues?
A
Cnidaria
B
Porifera
C
Platyhelminthes
D
Annelida
Question 145Single Answer
Which phylum is characterized by tissue-level organization and cnidocytes?
A
Ctenophora
B
Mollusca
C
Porifera
D
Cnidaria
Question 146Single Answer
Which traditional protozoan group includes organisms moving mainly through pseudopodia?
A
Mastigophora
B
Ciliophora
C
Rhizopoda
D
Sporozoa
Question 147Single Answer
Which organelle regulates osmotic balance in freshwater Paramecium?
A
Macronucleus
B
Cytostome
C
Contractile vacuole
D
Trichocyst
Question 148Single Answer
Which nuclear structure primarily controls vegetative metabolic activities in Paramecium?
A
Micronucleus
B
Nucleolus
C
Kinetosome
D
Macronucleus
Question 149Single Answer
Which process involves temporary pairing and genetic exchange between compatible Paramecium cells?
A
Conjugation
B
Binary fission
C
Budding
D
Sporulation
Question 150Single Answer
Which structure is responsible for locomotion and feeding currents in Paramecium?