MCQS of Biology 1st Year Chapter 10 Kingdom Animalia

Chapter 10 kingdom Animalia

1.Animals are thought to have evolved from a ....... like protoctist?

A.volvox

B.amoeba

C.Stentor

D.Paramecium Correct answer is A

2.Kingdom animalia is classified into 33 major group called?

A.Classes

B.species

C.phyla

D.phylum

Correct answer is C

3.sessile animals usualy have symmetry that is?

A.Bilateral

B.radial

C.Asymmetrical

D.None of them

Correct answer is B

4.Motile animals usualy have symmetry that is?

A.Bilateral

B.Radial

C.Asymmetrical

D.aaall of these

Correct answer is A

5.Gastro_vascular cavity enclosed by the body wall is called? 

A.blatocoel

B.coelenteron

C.archenteron

D.none of these

Correct answer is D

6.In...... type spongocoel is not divided?

A.sycon 

B.ascon

C.leucon

D.none of these

Correct answer is B

7 ...... lack a true coelom  is called?

A.acoelmate

B.pseudocoelomate

C.coelomate

D.haemocoel

Correct aanswer is A

8.Except ........ all the phyla show bilateral symmetry?

A.nematoda

B.cnidaria

C.chordata

D.mollusca

Correct answer is B

9. ...... is the incurrent pore of water enters the sponges?

A.ostia

B.oscula

C.spongocoel

D.holes

Correct answer is A

10. ...... is the character of coelenteron?

A.dimorphism

B.polymorphism

C.conjugation

D.bilateral symmetry

Correct answer is B

11. ...... cells are excretory organ of tape worm?

A.flame cells

B.trachea

C.vacuoles

D.nephridia

Correct answer is A

12.planaria is ........?

A.pseudocoelomate 

B.coelomate

C.acoelomate 

D.haemocoelomate

Correct answer is C

13.cnidarians are .......?

A.radial symmetrical

B.diploblastic

C.multicellular

D.all of the above

Correct answer is D

14.Class nematoda include .....?

A.flukes

B.sea anemones

C.corals

D.none of these

Correct answer is A

15. ....... are commonly called flat worm? 

A.annelid

B.nematodes

C.cnidarians

D.platyhelminthes

Correct answer is D

16. ....... are organs of offence?

A.parapodia

B.setae

C.nematocysts 

D.hooks

Correct answer is C

17.Due to which layer animals are called triploblastic?

A.endoderm

B.ectoderm

C.mesoderm 

D.All of these

Correct answer is D

18.Excretory in ....... occur by flame cells?

A.planaria

B.nematoda 

C.sponges

D.Earth worm

Correct answer is A

19.A true gut cavity found in?

A.porifera

B. coelenteron 

C.both of these 

D.none of thes

Correct answer is D

20.All are the character of Arthropods except?

A.jointed limbs 

B.segmented body

C.closed type of circulatory system

D.exoskeleton 

Correct answer is C

21.The most succesful of all animals belong to?

A.arthropoda

B.mollusca

C.nematoda

D.porifera

Correct answer is A

22.King crab is the member of class?

A.archnida

B.merostomata

C.crustacea

D.porifera

Correct answer is B

23.The ........ of crustaceans are modified for walking swiming and capturing food?

A.appendages 

B.tentacles

C.spines 

D. all of these

Correct answer is A

24. ....... belongs to echinodermata?

A.starfish

B.sea cucumber

C.limulus

D.both A and B

Correct answer is D 

25.study of fishes is known as?

A.ornithology

B.ichthylogy

C.entomology

D.none of these 

Correct answer is B

26.All are the member of class chondrichthyes except?

A.sharks

B.skates

C.rays

D.seahorse

Correct answer is D

27.Swim bladder is absent is?

A.chondrichthyes

B.osteichthyes fishes

C.agnatha

D.both A and C

correct answer is D

28. respiration is amphibians occurs by?

A.lungs

B.buccal cavity

C.skin

D.all of these 

Correct answer is D 

29. egg laying mammals are include in?

A.prototheria

B.metatheria

C.eutheria

D.none of these

Correct answer is A

MCQS of Biology 1st Year Chapter 9 Kingdom Plantae

Chapter 9 Kingdom Plantae

1.The plants which produce embryo but lack vascular tissues and seeds are placed in?

 A. Phanerogram

 B.Bryophytes

 C.Pteridophyta 

D.thallophtes 

Correct answer is B

 2.Funaria is a bryophyte because it?

 A.lacks vascular tissues 

 B.Has multicellular and jacketed sex organs

 C.lack seeds 

 D.All the above 

Correct answer is D

 3.Moss capsule represents? 

A.sporophyte

 B.A part of sorus

 C.gametophytes

 D.A part of sporophyte 

Correct answer is A

 4.Stomata are present in funaria plant on? 

A.seta

 B.foot

 C.capsule

 D.none of these 

Correct answer is A 

 5.The simplest sporophytes among bryophytes is?

 A.Riccia

 B.moss

 C.marchantia

 D.Anthoceros 

Correct answer is C

 6.Which of the following is helpful in the dispersal of spores in moss? 

A.columella

 B.Apophysis

 C.peristome

 D.operculum

 Correct answer is C

 7.The unique feature of bryophytes compared to other green groups is that?

 A.they lack root

 B.they lack vascular tissue 

 C.they produce spores

 D.their sporophyte is attached to gametophyte 

Correct answer is B 

 8.Liver worts are closely related to?

 A.fungi

 B.mosses 

C.Algae

 D.lichens Correct answer is C

 9.Bryophytes are popularly called amphibians of the plant kingdom because? 

A.they grow on land 

 B.they are aquatic

 C.they grow on damp soil and require water to sexual reproduction

 D.All the above 

 Correct answer is D 

 10.The characters which required for level adaptation are?

 A.Rhizoid and conservation of water 

B.absorption of Co2 and heterogamy 

C.protection of sexual reproduction organ and formation of embryo 

D all of these Correct answer is D

 11.The root in rhynia is called?

 A.Adventitious root

 B.fibrous root

 C.both of these

 D.none of these

 Correct answer is A 

 12.The plant of rhynia found as? 

A.fossil sporophyte

 B.fossil gametophyte 

 C.both of these 

 D.none of these

 Correct answer is A 

 13.The one veined leaf also known as? 

A.small 

B.microphyllous

 C.one xylem tissue

 D.all of these Correct answer is 

B 14.The most primtive living plants are?

 A.fern 

B.rhynia

 C.cycads

 D.sphaum 

Correct answer is B 

 15.Tracheophytes are divided into?

 A.pteridophytes, gymnosperms and angiosperm

 B.bryophytes and pteridophytes 

 C.pteridophytes and gymnosperm 

D.none of above

 Correct answer is A 

 16.The process in which megaphyllous formed as?

 A.overtopping 

B.webbing

 C.planation 

D.all of above

 Correct answer is D 

 17.The structure that produces gametes in the prothallus are?

 A.ascogonia and anthers 

B.anthers and archegonia

 C.antheridia and archegonia 

 D.none of these

 Correct answer is C 

 18.Gametangia of ferns are produced on the?

 A.leaves

 B.ramenta

 C.sorus

 D.prothallus

 Correct answer is D

 19.selaginella is also known as?

 A.peat moss

 B.club moss

 C.irish moss 

D.cup moss

 Correct answer is B

 20.The sporophyll are modified?

 A.branch 

B.stem 

C.leaves 

D.all of above

 Correct answer is C

MCQS of Biology 1st Year Chapter 7 Kingdom Protoctista

Biology Chapter 7 Kingdom Protoctista MCQS in 2018

1.Plants like protoctists

A.protozoa

B.primitive fungi

C.bacteria

D.algae

correct answer is D

2.Which one is shows isomorphic alternation of generation

A.ulva

B.chlorella

C..euglena

D.phytophthora

correct answer is A

3.Algae differ from plants by

A.being aquatic

B.are terrestrial

C.zygote is not protect by parent body

D.both a and c

correct answer is D

4.Dysentary  caused by

A.chlorella

B.amoeba histolytica

C.sporangia

D.phytophthora

correct answer is B

Biology Chapter 7 Key MCQS

5.Sarcodina moves by means of

A.flagella

B.cillia

C.pseudopodia

D.none of above

correct answer is C

6.Malaria is caused by

A.virus

B.bacteria

C.plasmodium

D.chlorella

correct answer is C

7.Sexual life-cycle of plasmodium is completed in the gut of

A.syngamy

B.female anopheles mosquito

C.male anopheles mosquito

D.none of above

correct answer is B

8.Skeleton of marine shelled  sarcodanias gives clues to possible deposits

A.calcuim

B.magnessium

C.petroleum

D.chromium

correct answer is C

9.Which one is not symptoms of malaria

A.nausea

B.shivering

C.loss of appetite

D.muscular pain

correct answer is B

Biology Chapter 7 Key MCQS

10.Which one is neither locomotary organ nor contractile vacuole in

A.sarcodina

B.rhizopodia

C.suctorians

D.sporozoans

correct answer is D

11.Late blight of potato is caused by

A.phytophthora

B.chlorella

C.ulva

D.none of above

correct answer is A

12.Which one is the group of unicellular eukaryotic which can't fit any of the other four kingdom

A.prokaryotae

B.protoctista

C.fungi

D.plantae

correct answer is B

13.Fungi like protoctists include

A.slime mold

B.Water mold

C.gold mold

D.both a and b

correct answer is D

14.Which one has cup-shaped chloroplast with or without pyrenoid

A.chlorella

B.ulva

C.euglena

D.water mold

correct answer is A

15.Which one is previously regarded as plant due to presents of cell-wall and chlorophyll-B and accessory pigment

A.Primitive fungi

B.algae

C.protozoa

D.plants

correct answer is B

MCQS of Biology 1st Year Chapter 6 Kingdom Prokaryote

Chapter 6 kingdom Prokaryote

1.Who was the first observe microorganism

A.margulis

B.antony van leeuwenhoek

C.robert brown

D.Whittikar

correct answer is B

2.Bacteria are

A.prokaryotes

B.unicellular

C.a single D.N.A molecule coiled in a loop and not enclosed in nucleus

D.cell wall present

E.all are correct

correct answer is E

3.Extremely thin appendages during conjugation in bacteria

A.flagella

B.pilli

C.Celia

D.tentacles

correct answer is B

4.Who get their food from dead organic matter

A.Symbiotic

B.Parasitic

C.saprotrophic

D.autotrophic

correct answer is C

5.Characteristics invagination of cell-membrane into the cytoplasm in the form vesicles tubules or lamella

A.mesosomes

B.pilli

C.capsule

D.plasmid

correct answer is A

6.Cocci are

A.Rod shape

B.spherical

C.cork screw

D.all of above

correct answer is B

7.Long chain of cocci is

A.Sarcina

B.monococcus

C.tetrad

D.streptococcus

correct answer is D

8.Cholera is caused by which type of bacteria

A.Vibrio

B.cocci

C.bacilli

D.spirilla

correct answer is A

9.Which one is serve as a vector in genetic engineering

A.Mesosomes

B.Plasmid

C.capsule

D.nucleoid

correct answer B

10.If a tuft of flagella is present only at one pole of bacteria is called

A.Atrichous

B.monotrichous

C.lophotrichous

D.amphitrichius

correct answer is C

11.Some bacteria are killed in the present of oxygen is called

A.Facultative

B.obligate anaerobes

C.aerobes

D.None of above

correct answer is B

12.Inactive phase or phase of growth during which bacteria prepare themselve for division

A.decline phase

B.log phase

C.lag phase

D.Stationary

correct answer is C

13.Non-motile spores formed from certain vegetative cells during unfavourable condition in nostoc

A.Akinete

B.hormogonium

C.heterocyst

D.coenobium

correct answer is A

14.Photosynthetic bacteria liberate

A.CO2

B.O2

C.S

D.H2O

correct answer is C

15.Cynobacteria is

A.occur in colony

B.prokaryotes

C.unicellular

D.all are correct

correct answer is D

16.Bacteria generally reproduce asexual by a process called

A.Endospore

B.binnary fission

C.Akinete

D.Both a and b

correct answer is B

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MCQS of Biology 1st Year Chapter 5 Variety of Life

Biology 1st Year Chapter 5 Variety of Life

1. In which techniques we can describing naming and classifying living organisms on the basis of their similarities and dissimilarities
A.cytology
B.taxonomy
C.biochemistry
D.homology
correct answer is B

2.who proposed in 1969 that living organisms may be divide into five kingdom
A.whittikar
B.L.margulis
C.k.schwartz
D.none of above
correct answer is A

3.The word virus is derived from latin word meaning
A.to know
B.poison
C.venom
D.none of these
correct answer is B

4.Characteristically virus are
A.noncellular
B.can't reproduce outside of the cell
C.synthesis and gene replication
D.all are correct
correct answer is D

5.Who was discovered virus
A.robert brown
B.whittikar
C.ivanowsky
D.k.schwartz
correct answer is C

6.Which disease are caused by virus
A.yellow-fever
B.laprosy
C.dysentary
D.t.b
correct answer is A

7.Which branch of biology is considered as final main helping in classifying organisms
A.Homology
B.cytology
C.morphology
D.genetics
correct answer is D

8.The adhesion properties of virus
A.viral R.N.A they contain
B.protein that make up their coat and envelop
C.viral D.N.A they contain
D.viral genome that they contain
correct answer is B

9.Herps shingle and cancer poxes in human caused by
A.herps viruses
B.arbo viruses
C.rhinoviruses
D.none of above
correct answer is A

10.AIDS is caused by
A.intimate sexual contact
B.infected blood entering the blood stream
C.an infected pregnant women can pass on virus to her baby
D.all are correct
correct answer is D

11.Hepatitis is an inflammation of the
A.Lungs
B.liver
C.kidney
D.gall-bladder
correct answer is B

12.AIDS caused by
A.retro viruses
B.rhabdoviruses
C.paramyxoviruses
D.none of above
correct answer is A

13.Lytic cycle
A.replicate the viral genome without destroying host
B.temperate
C.kill the host cell
D.both a and c
correct answer is C

14.Genera are grouped into
A.phyla
B.classes
C.orders
D.Families
correct answer is D

MCQS of Biology 1st Year Chapter 4 The Cell

Biology MCQS Chapter 4 The cell

1.Which scientist discovered the spherical body nucleus
A.robert brown
B.robert hooke
C.david jansen
D.galileo
correct answer is A


2.All of the following statement is correct about cell theory axcept
A.all organism are composed one or more cell
B.cell can arise only the division of pre-existing cell
C.the cell is the structural and functional unit of life
D.the term cell was discovered by robert brown
correct answer is D


3.Cell theory was proposed by
A.robert hooke
B.robert brown
C.scheilden and schwan
D.Fischer
correct answer is C


4.Electron microscope is
A.in which visible light is use
B.in which short wave length is use
C.in which electron beam is use
D.none of these
correct answer is C


5.Eukaryotes are
A.those organism having a true nucleus
B.those organism which contain membrane bound organelles
C.those organism which do not contain nucleus
D.both a and b
correct answer is D


6.Plasma membrane are
A.protein bilayer
B.glycoprotein bilayer
C.phospholipid bilayer
D.none of above
correct answer is C


7.Fluid mosaic model was proposed by
A.singer and nicolson
B.paul filder
C.laveran
D.no one of them
correct answer is A


8.the following function of plasma membrane axcept
A.protection of cell cytoplasm
B.selective permeability
C.They are hydrophilc and hydrophobic in nature
D.they are called protein factory
correct answer is D


9.Cell wall is present in
A.animals
B.plants
C.bacteria
D.both b and c
correct answer is D


10.Which one control the activities of cell
A.cell
B.cytoplasm
C.nucleus
D.cell wall
correct answer is C


11.Energy is required for
A.diffusion
B.active transport
C.facillated transport
D.all of these
correct answer is B


12.Chromosomes with equal arm
A.metacentric
B.acrocentric
C.telocentric
D.sub-metacentric
correct answer is A


13.Lysosomes function in
A.protein synthesis
B.lipids synthesis
C.intracellular digestion
D.processing and packaging
correct answer is C


14.Which organelle the functions of processing packaging and distribution
A.goly apparatus
B.lysosomes
C.mitochondria
D.plastids
correct answer is A


15.All are the functions of mitochondria except
A.they are present in the cytoplasm
B.mitochondria are the center of aerobic respiration
C.mitochondria are double membrane bounding
D.it is not a power house of the cell
correct answer is D


16.Ribosomes are found in
A.rough endoplasmic reticulum
B.smooth endoplasmic reticulum
C.mitochondria
D.plastids
correct answer is A


17.Which disease called mental retardation blindness death by age
A.gaucher disease
B.tay-sachs disease
C.krabb's disease
D.neno of them
correct answer is B


18.Which one is the energy converting organelle
A.chromoplast
B.leucoplast
C.chloroplast
D.proplastids
correct answer is C


19.Characteristics  associated with peroxisome only
A.having single membrane
B.found only eukaryotic cells
C.contain enzymes for transferring H atoms to oxygen form hydrogen peroxide
D.none of above
correct answer is C


20.Ribosomes are manufactured in
A.nucluos
B.cytoplasm
C.plastids
D.nucleolus
correct answer is D


21.the protein present in microfilament
A.actin
B.myosin
C.keratin
D.tubulin
correct answer is B

MCQS of Biology 1st Year Chapter 3 Enzymes

Biology MCQS Chapter 3 Enzymes

1.The catalytic molecules called
A.cell
B.enzymes
C.atom
D.none of these
correct answer is B


2.All these reactions occur
A.low temperature and atmospheric pressure
B.high temperature and low atmospheric pressure
C.low temperature and atmospheric
D.low atmospheric and high temperature
correct answer is C


3.All enzymes are
A.co-factor in nature
B.glycoprotein in nature
C.protein in nature
D.non-protein in  nature
correct answer is C


4.Which one of the following scientist discovered that certain molecules of r
Ribonucleic  acid also function as enymes
A. thomas cech sidney altman
B. robber brown
C.fischer
D.koshland
correct answer is A


5.Which scientist proposed induce fix model
A.thomas cech
B.koshland
C.levran
D.fischer
correct answer is B


6.which one of the scientist said that a particular enzymes act on a particular substrate
A.thomas cech
B.sidney
C.paul filder and d.d woods
D.none of these
correct answer is C


7.The protein part of enzymes
A.apoenzyme
B.co-enzyme
C.acylglycerol
D.co-enzyme
correct answer is A


8.The holo-enzyme in which prosthetic group is inorganic ions are
A.co-enzymes
B.proteoenzymes
C.co-factor
D.apeoenzymes
correct answer is C


9.All of the following enzymes except
A.amylqase
B.trypsin
C.pepsin
D.mangenism
correct answer is D


10.Factor affecting on enzymes activity
A.temperature
B.p.H
C.radiation
D.all of these
correct answer is D


11.Most of the enzymes are highly active at
A.37
B.100
C.7
D.36
correct answer is A


12.p.H of pepsin in the stomach
A.1.2
B.1.5
C.1.4
D.1.7
correct answer is C


13.Which molecules to bind active site of an enzymes
A.Allosteric activaters
B.competitive inhibitor
C.Allosteric inhibitor
D.non competitive inhibitor
correct answer is B


14.Substrate which decrease the activity of an enzymes is called
A.inhibitors
B,activitors
C.co-enzymes
D.none of these
correct answer is A


15.Which one is not a property of enzymes
A.they are specific in their nature and their action
B.their molecules are much greater in size than substrate
C.they have particular site to react with the substrate called active site
D.they are non-protein in nature
correct answer is D


16.Nucleic acid which also serve as enzymes are
A.nucleoprotein
B.ribosomes
C.ribzyme
D.co-enzyme
correct answer is C