Biology Mcqs

           BIOLOGY MCQS WITH ANSWERS

Tibia Is A Bone Found In The ------?

A. Skull

B. Arm

C. Leg (Answer)

D. Face

Which Is The Largest Gland In The Human Body?

A. Thyroid

B. Liver (Answer)

C. Pancreas

D. None Of These

Water Has Maximum Density At------?

A. 0°C

B. 4°C (Answer)

C. 4° K

D. 4.8°C

The Scientific Study Of Livings Is Called?

A. Anatomy

B. Biology (Answer)

C. Geology

D. Zoology

The Word “BIOLOGY” Has Been Derived From----- Word?

A. Latin

B. English

C. Greek (Answer)

D. French

According To Modern System Of Taxonomy, Living Organisms Have Been Classified Into?

A. Three Kingdoms

B. Five Kingdoms (Answer)

C. Two Kingdoms

D. Six Kingdoms

Kingdom Protoctista Includes------?

A. Fungi

B. Prokaryotes

C. Protists (Answer)

D. Piantae

Kingdom Fungi Includes--------?

A. A Cellular, Eukaryotic Organisms

B. Non-Chlorophylls, Multicellular Eukaiyotlc Organisms

C. Non-Chlorophylls, Multioellular,Thailophytic Organisms (Answer)

D. Chlorophyllus, Multicellular, Eukaryotic Organisms

Earthworm Is Included In-------?

A. Kingdom Plantae

B. Kingdom Protoctista

C. Kingdom Monera

D. Kingdom Animalia (Answer)

The Study Of Organisms Inhabiting The Sea And Ocean And The Physical And Chemical Characteristics Of Their 

Environment Is:

A. Social Biology

B. Marine Biology (Answer)

C. Environmental Biology

D. Fresh Water Biology

Humans Can Hear In The Range Of --- To ----Hertz (Hz).?

A. 10 Hz To 10,000 Hz.

B. 20 Hz To 20,000 Hz. (Answer)

C. 30 Hz To 30,000 Hz.

D. 40 Hz To 40,000 Hz.

Branches Of Biology And Medicine Concerned With The Structure And Function Of Plant And Animal Cells Is 

Called------?

A. Nephrology

B. Semiology

C. Orology

D. Cytology (Answer)

Which Part Of The Brain Regulates Body Temperature?

A. Cerebellum

B. Cerebrum

C. Hypothalamus (Answer)

D. Medulla

A Vegetable Containing Sulphur Is------?

A. Potato

B. Cabbage

C. Brinjal

D. Pumpkin

Which Type Of Motions Are Present In Solid?

A. Translational

B. Rotational

C. Vibrational (Answer)

D. All Of These

If A Man Having Blood Group AB Marries A Woman Who Is Heterozygous For Blood Group, What Is The 

Probability Of Their First Child Having Blood Group B?

A. 40%

B. 45%

C. 50% (Answer)

D. 71%

Animals Living In The Three Trunks Are Known As------?

A. Arboreal (Answer)

B. Volant

C. Amphibious

D. Aquaticx

Who Discovered The Peptic Ulcer Causing Bacteria H.PYLORI?

A. Robert Hook

B. James Parkinson

C. Dr Barry Marshall And Dr Robin Warren (Answer)

D. None Of These

Which Of The Following Endoplasmic Reticulum Has No Ribosome On Its Surface?

A. Smooth (Answer)

B. Rough

C. Both

D. All Of Above

Which Of The Following Gas Discovered By Scheele?

A. Chlorine (Answer)

B. Hydrogen

C. Oxygen

D. Carbon Dioxide

In Plants There Are----Basic Types Of Tissues?

A. 2

B. 3

C. 4

D. None Of These

Simple Tissues And Complex Tissues Are Two Groups Of-----Tissues.

A. Meristematic

B. Permanent (Answer)

C. Epidermal

D. Supporting

Which Of The Following Consists Of The Dead Cells?

A. Parenchyma

B. Collenchyma

C. Sclerenchyma (Answer)

D. None Of These

Xylem And Phloem Are Conducting Tissues Found In ……….?

A. Animals

B. Plants (Answer)

C. Micro Orgamnisms

D. All The Above

Human Brain Contains-----Neurons.

A. 10,000,00

B. 100,000,000

C. 100,000,000,000 (Answer)

D. 1000

Which Of The Following Are Connective Tissues?

A. Cartilage

B. Bone

C. Blood

D. All The Above (Answer)

Which One Of These Structures Involved In Replication Of Bacterial Dna?

A. Chromosomes

B. Pilli

C. Plasmid

D. Mesosome (Answer)

Adult Human Brain Is About-----% Of The Total Body Weight.

A. 2% (Answer)

B. 3%

C. 7%

D. 8%

The Branch Of Biology Which Deals With The Use Of Data And Techniques Of Engineering & Technology 

Concerning Living Organisms Is:

A. Human Biology

B. Environmental Biology

C. Genetics

D. Bio-Technology (Answer)

The Branch In Which Organism’s Life Cycle, Mode Of Transmission And Interaction With Their Hosts Are 

Studied Is:

A. Anatomy

B. Physiology

C. Parasitology (Answer)

D. Social Biology

The Molecules Of Living Matter That Provide Building Blocks Are Mostly Based On:

A. Carbon (Answer)

B. Nitrogen

C. Hydrogen

D. Ammonia

Human Blood Is An Example Of-----?

A. Organelle

B. Tissues (Answer)

C. Organic Compound

D. Inorganic Compounds

With Different Chemical Arrangements And Formation Of Complex Molecules, The Life Emerges On The Level 

Of The ?

A. Cells (Answer)

B. Tissues

C. Organs

D. Organ System

Organelles Are--------?

A. Unicellular Structures

B. Multi-Cellular Structures

C. Sub-Cellular Structures (Answer)

D. Non-Cellular Structures

Functional Unit Of DNA Is------?

A. Nucleus

B. Genes (Answer)

C. Chromosomes

D. Nucleolus

Various Tissue Types Combine To Make Up-----?

A. Cells

B. Organs (Answer)

C. Organ System

D. Organelles

Two Or More Populations Of Different Species Living And Interacting In The Same Area Form

A. Biosphere

B. Community (Answer)

C. Population System

D. Ecosystem

E. Species

A Group Of Similar Cells That Perform A Specific Function Is:

A. Organ

B. Tissues (Answer)

C. Organelle

D. Organ System

Which Of The Following Organ Is Responsible For Body Metabolism?

A. Kidney

B. Liver (Answer)

C. Lungs

D. Heart

The Part Of The Brain That Connects The Two Hemispheres Of The Brain Is Called------?

A. Corpus Callosum (Answer)

B. Medulla Oblongata

C. Cerebral Cortex

D. Cerebellum

In Which Phase Of Cell Cycle Cell Organelles Are Formed?

A. S Phase

B. G1 Phase

C. G2 Phase (Answer)

D. G0 Phase

Vacuoles Are Fluid Filled Sacs Surrounded By A Membrane Called-----?

A. Tonoplast (Answer)

B. Nuclear Membrane

C. Cell Membrane

D. Cell Wall

During The Process Of Cell Division Which Of The Following Divides First?

A. Cytodplasm

B. Vacuoles

C. Mitochondria

D. Nucleus (Answer)

Which Of The Following Manufactures Carbohydrates By The Process Of Photosynthesis?

A. Chloroplast (Answer)

B. Chromoplast

C. Leucoplast

D. All Of These

Which Of The Following Is Called Protein Synthesizing Machine?

A. Mitochondria

B. Nucleus

C. Chromosomes

D. Ribosomes (Answer)

Cell Wall Is The Non Living , Outermost Boundary Of-----Cell?

A. Plant

B. Bacterial

C. Fungal

D. All The Above (Answer)

The Light Microscope Can Make The Object-----Times Bigger?

A. 10 Times

B. 100 Times

C. 1000 Times (Answer)

D. 10000 Times

Which Of The Following Is A Selectively Permeable Membrane?

A. Cell Wall

B. Cytoplasm

C. Cell Membrane (Answer)

D. None Of These

Which Of The Following Is An Example Of “Molecule”?

A. Chloroplast

B. A Nerve Cell

C. DNA (Answer)

D. Hydrogen

A Group Of Very Similar Inter Breeding Organisms Constitutes?

A. Biosphere

B. Ecosystem

C. Population

D. Species (Answer)

Members Of One Species Inhabiting The Same Are Form-----?

A. Species

B. Community

C. Ecosystem

D. Population (Answer)

On The Basis Of Collected Facts And figures, A Scientist Formulates A Factitive Statement Called:

A. Observation

B. Research Work

C. Hypothesis (Answer)

D. Inductive Reasoning

Robert Hooke Discovered-------?

A. Nucleus

B. Mitochondria

C. Cell (Answer)

D. DNA

Steps Involved In Scientific Method Are ?

A. Hypothesis –>Accumulated Data –> Observation & Experimentation –> Conclusion

B. New Data —> Conclusion —> Accumulated Data —> Observation & Experimentation

C. Accumulated Data – New Data – Observation & Experimentation – Hypothesis –> Conclusion

D. Accumulated Data —> Hypothesis –> Observation & Experimentation —> New Data —> Conclusion 

(Answer)

Malaria Is Associated With------?

A. Culex Mosquito

B. Culiesta Mosquito

C. Anopheles Mosquito (Answer)

D. Culex & Anopheles Mosquito

Biologist ‘Grass’ Discovered The Life Cycle Of Plasmodium In----?

A. 1896

B. 1897

C. 1898 (Answer)

D. 1899

The first Antibiotic To Be Discovered Was-------?

A. Penicillin (Answer)

B. Cephalosporin

C. Amino Glycosides

D. Erythromycin

Immunization By Vaccination Was first Introduced By?

A. Fleming In 1945

B. Florey & Chain In 1975

C. Flore & Chain In 1795

D. Edward Jenner In 1795 (Answer)

Oil Body Is Found In The Cells Of------?

A. Diatoms (Answer)

B. Slime Moulds

C. Chlorophycean Forms

D. None Of The These

Diatoms Stay Afloat Due To------?

A. Flagella

B. Stored Lpids (Answer)

C. Pseudopodia

D. All Of These

Diatomaceous Earth Is Used For Making -----?

A. Fertilizers

B. Weedicides

C. Insecticides

D. Fire Proof Bricks (Answer)

Locomotion In Diatoms Is Carried Out With The Help Of-----?

A. Valve

B. Raphe (Answer)

C. Pseudopodium

D. Cilia Or Flagella

Golden Brown Colour Of Diatoms Is Due To Presence Of-----?

A. Mycoxanthin, Mucoxanthin And Myxoxanthophylls

B. Alpha And Beta Carotenes And Myxoxanthin

C. Fucoxanthin, Diatoxanthin, Diadinoxanthin (Answer)

D. None Of The Above

Which Of The Following Is Not Nocturnal?

A. Bedbug

B. Mosquito

C. Butterfly (Answer)

D. Cockroach

Which One Of These Is An Insect?

A. Mite

B. Spider

C. Moth (Answer)

D. Scorpion

A Moth Is Closely Related To-----?

A. Wasp

B. Beetle

C. Cricket

D. Butterfly (Answer)

Which One Of These Is A Set Of Useful Insects?

A. Sandfly , Butterfly, Hoeybee

B. Sikmoth, Honeybee, Locust

C. Honeybee, Silkmoth, Tsetse Fly

D. Honeybee , Lac Insect, Cochineal Insect (Answer)

Which Of The Following Organ Is Responsible For Blood Filtration:

A. Liver

B. Kidney (Answer)

C. Lungs

D. Heart

The Science Of Growing Terrestrial Plants In An Aerated Solution Is-----?

A. Hydrodynamics

B. Hydroponics (Answer)

C. Hydrotonics

D. None Of Them

An Educated Guess Is Called:

A. Accumulated Data

B. Observation

C. Hypothesis (Answer)

D. Conclusion

Dolly, The Sheep Was A Highly Successful Clone From A Somatic Cell, Reported Back In----?

A. 1993

B. 1994

C. 1995

D. 1996 (Answer)

Crop Rotation Helps In-------?

A. Growth Of Pathogens

B. Soil Infertility

C. Slowing Of Crops Growth

D. Eradication Of Disease (Answer)

People Living In High Altitudes (Like Mountains) Usually Have A -----?

A. Smaller Number Of Red Blood Cells

B. Larger Number Of Red Blood Cells (Answer)

C. Smaller Number Of White Blood Cells

D. Larger Number Of White Blood Cells

Which Character Differentiates Living Things From Non-Living Organisms?

A. They Live In The Same Ecosystem.

B. They Are Highly Organized And Complex Made Of One Or More Cells And Contain Genetic Material 

(Answer)

C. They Are Acted Upon By The Same Environment

D. Both A And B

Which Vitamin Is Needed For The Formation Of A Light-Sensitive Pigment In The Retina.

A. Vitamin A (Answer)

B. Vitamin C

C. Vitamin D

D. B Complex

The Average Internal Temperature Of Human Body Is -----?

A. 35 Oc

B. 36 Oc

C. 37 Oc (Answer)

D. 38 Oc

The Study Of Fossils Is Called?

A. Environmental Biology

B. Historical Biology

C. Palaeontology (Answer)

D. Social Biology

About ----- Of The Body Weight Of A Mammal Is Water ?

A. 60%

B. 65%

C. 70% (Answer)

D. 75%

Diatoms Are Found In-----?

A. Phytoplanktonic Population

B. Freshwater Lakes And Ponds

C. Marine Environment

D. All Of The Above (Answer)

Centric Discoid Form Of Diatoms Is-----?

A. Diplaneis

B. Coscinodiscus (Answer)

C. Camphyloneiscus

D. Stephanodis

Microfossile Often Present In Petroleum Producing Formationsare Those Of-----?

A. Diatioms (Answer)

B. Heliozoans

C. Radiolarians

D. Foraminiferans

Cell Wall Is Richly Impregnated With Silica In-----?

A. Rhodophyta

B. Phaeophyta

C. Baciliariophyta (Answer)

D. Euglenophyta

The Cell Wall Is Usually Composed Of Two Overlapping Halves Called Epitheca And Hypotheca In-----?

A. Diatoms (Answer)

B. Desmids

C. Pyrrophyta

D. Chlorophyta

Unlike Other Algae, Diatoms Do Not Readily Decay Due To------?

A. Nonliving Cells

B. Siliceous Wall (Answer)

C. Mucilaginous Wall

D. Water Proof Cell

Cell Wall Is Extremely Well Preserved In Fossil Specimens In-----?

A. Diatoms (Answer)

B. Dinoflagellates

C. Slime Moulds

D. None Of These

Empty Diatom Cells Are Called------?

A. Raphe

B. Valves

C. Frustule (Answer)

D. Girdles

Diatom Frustule/ Shell Is Made Of-------?

A. Silica (Answer)

B. Calcium Carbonate

C. Manesium Carbonate

D. Both B. And C.

The Chloroplasts Of Diatoms And Chrysophycean Algae Do Not Possess------?

A. Chloryphyllpigments

B. Enzymes For Photolysis

C. Defined Grana And Stroma (Answer)

D. Carotenes With Chlorophylls

The Experiments On DNA Molecules In Chromosomes For Knowing The Basis Of Inherited Diseases Are 

Conducted By ?

A. Molecular Biologists (Answer)

B. Microbiologists

C. Freshwater Biologists

D. Social Biologist

On Wound ----- Fight Foreign Particles, Like Bacteria?

A. White Blood Cells (Answer)

B. Red Blood Cells

C. Platelets

D. Plasma

Sythetic Insulin From Pork Was Formed By Which Technique?

A. Biotechnology (Answer)

B. Social Biological Techniques

C. Parasitology

D. Both A And C

Blood Is Carried Towards The Heart By -----?

A. Arteries

B. Capillaries

C. Veins (Answer)

D. None Of These

The Branch Of Biology Which Deals With The Study Of Social Behavior And Communal Life Of Human Beings 

Living In Any Environment Is Called ?

A. Environmental Biology

B. Social Biology (Answer)

C. Human Biology

D. Both B And C

----- Is Essential For The Formation Of Hemoglobin.

A. Calcium

B. Iron (Answer)

C. Water

D. Carbohydrates

Out Of 92 Naturally Occurring Chemical Elements How Many Are Considered As Bio-Elements?

A. 6

B. 16 (Answer)

C. 26

D. 15

------ Are Needed As A Source Of Energy For The Vital Activities Of The Body?

A. Calcium

B. Iron

C. Water

D. Carbohydrates (Answer)

Oxygen Accounts For -- % Of Totals Human Body Mass?

A. 65% (Answer)

B. 18%

C. 10%

D. 3%

The Atoms Of Different Elements Combine With Each Other Through Ionic Or Covalent Bonding To Produce 

Compounds This Stable Form Is Called:

A. An Organ

B. A Molecule (Answer)

C. Tissue

D. Both A And C

Which One Of Them Is A Micro-Molecule?

A. Polysaccharide

B. Protein

C. Hemoglobin

D. ATP (Answer)

A Structure Formed By Groups Of Similar Cells Organized Into Loose Sheets Or Bundles Performing Similar 

Functions Is Called As:

A. An Organ

B. An Organism

C. A Tissue (Answer)

D. A Cell

Haemodialysis Means Cleaning Of------?

A. Urine

B. Blood (Answer)

C. Glomerular Filterate

D. Coelomic Fluid

In Animals Coordination Is Achieved By Means Of?

A. Nervous System

B. Endocrine System

C. Respiratory System

D. Both A And B (Answer)

Production Of Sweat And Sebum Is Related With ?

A. Skin (Answer)

B. Liver

C. Lungs

D. GIT

Group Of Living Organisms Of The Same Species Living In The Same Place At The Same Time Is Called ?

A. Community

B. Population (Answer)

C. Ecosystem

D. Biome

The Evaporative Cooling In The Respiratory Tract Of Dogs Is Called?

A. Vasodilation

B. Vasoconstriction

C. Panting (Answer)

D. All Of These

Different Species Of Plants And Animals Living In The Same Habitat Is Called?

A. Population

B. Community (Answer)

C. Biome

D. Habitat

Which Of The Following Pathogen Type Cause Disease That Can Be Treated With Antibiotics ?

A. Bacteria (Answer)

B. Fungi

C. Virus

D. None Of These

A Large Regional Community Primarily Determined By Climate Is Called ?

A. Population

B. Community

C. Biome (Answer)

D. Habitat

In All Arthropods,The Body Is Covered With A Chittinous Cuticle Which Is Secreted By The------?

A. Endodermis

B. Mesophyll

C. Chitin

D. Epidermis (Answer)

In Many Which Phylum The Body Of An Organisms Is Usually Divided In There Regions Called Head, Thorax 

And Abdomen?

A. Arthropods (Answer)

B. Chordata

C. Annelida

D. Echinodermata

In Man Which Organisms Cause Abscesses On The Skin Of Arms Or Legs?

A. Ascaris

B. Bacteria

C. Ring Worm

D. Suinea Worm (Answer)

Chitin In Cockroach Is Absent In------?

A. Epicuticle (Answer)

B. Exocuticle

C. Endocuticle

D. All Of These

Melanin Pigment In Cockroach Is Found In-----?

A. Epicuticle

B. Exocuticle (Answer)

C. Endocuticle

D. All Of These

The Bristles On The Body Of The Cockroach Arise From-----?

A. Epidermis

B. Trichogen Cell (Answer)

C. Basement Membrane

D. Malpighian Cell

The Wax Present On The Body Of Cockroach Is Secreted:

A. Mucocytes

B. Leucocytes

C. Oenocytes (Answer)

D. Granulocytes

Which Organisms Are Sometimes Called The ” Pastures Of The Sea”?

A. Diatoms (Answer)

B. Radiolarians

C. Dinoflagellates

D. Foraminiferans

Diatoms Belong To------?

A. Chrysophyta

B. Bacillariophyceae

C. Xanthophyceae

D. Both A. And B. (Answer)

Which One Of The Following Is Representing The Group Of Diatoms?

A. Pinnularia, Navicula, Cymbella, Melosira (Answer)

B. Euglenamorpha, Hedneria , Heteronema, Colacium

C. Nostoc, Anabaena, Aulosira, Cylindrospermum

D. Cochlodinium, Gymnodinium, Lenodinium, Peridinium

Most Cell Membranes Are Composed Principally Of ?

A. DNA Ad Protein

B. Protein And Lipids (Answer)

C. Protein And Chitin

D. Protein And RNA

The Concept That Various Organisms Dominated This Planet During Various Geological Time Period And Thus 

Placing Organisms In A Time Squence Came From The Studies By ?

A. Environmental Biologist

B. Paleontologist (Answer)

C. Marine Biologist

D. Social Biologist

Normally, In The Process Of Osmosis, The Net Flow Of Water Molecules Into Or Out Of The Cell Depends Upon 

Differences In The ?

A. Concentration Of Water Molecules Inside And Outside The Cell (Answer)

B. Concentration Of Enzymes On Either Side Of The Cell Membrane

C. Rate Of Molecular Motion On Either Side Of The Cell Membrane

D. None Of These

It Is Possible To Date The Rocks By Comparing The Amount Of Specific Radioactive Isotopes They Contain. 

Which Of The Statement Is Correct In This Respect?

A. Older Sediment Layers Have Equal Amount Of These Radioactive Isotopes As That Of The Young Ones

B. Older Sediment Layers Have Less Amount Of These Radioactive Isotopes As That Of The Young Ones. 

(Answer)

C. Older Sediment Layers Have Greater Amount Of These Radioactive Isotopes As That Of The Young Ones.

D. Older Sediment Layers Did Not Have These Radioactive Isotopes

Sodium Ions Are “Pumped” From A Region Of Lower Concentration To A Region Of Higher Concentration In 

The Nerve Cells Of Humans. This Process Is An Example Of

A. Diffusion

B. Passive Transport

C. Osmosis

D. Active Transport (Answer)

An Unbroken Series Of Species Arranged In Ancestors To Descendent Sequence With Each Later Species 

Having Evolved From One That Immediately Preceded It Is Called?

A. Biome

B. Phyletic Lineage (Answer)

C. Community

D. Population

Proteins Are Made From Amino Acids By The Process Of -------?

A. Hydrolysis

B. Pinocytosis

C. Dehydration Synthesis (Answer)

D. Active Transport

Biological Sciences Have A Set Methodology And It Is Based On ?

A. Experimental Inquiry (Answer)

B. Esthetic Preference

C. Philosophical Ideas

D. Imaginations

Which Is An Organic Compound Found In Most Cells ?

A. Water

B. Glucose (Answer)

C. Oxygen

D. Sodium Chloride

A Series Of Hypothesis Supported By The Results Of Many Tests Is Called ?

A. Scientific Law

B. Theory (Answer)

C. Data

D. Deduction

Which Are The Four Most Abundant Elements In Living Cells ?

A. Carbon, Oxygen, Nitrogen, Sulfur

B. Carbon, Oxygen, Hydrogen, Nitrogen (Answer)

C. Carbon, Oxygen, Sulfur, Phosphorus

D. Carbon, Sulfur, Hydrogen, Magnesium

Which One Is Not Correct For A Productive Theory?

A. It Is Predictive

B. It Has Explanatory Power

C. It Discourages Suggestion Of Different Hypotheses (Answer)

D. None Of These

Conclusion Of Mendels Work Latter Became A-------?

A. Scientific Hypothesis

B. Theory

C. Scientific Law (Answer)

D. Productive Theory

Starch Is Converted Into Maltose By?

A. Diastase (Answer)

B. Invertase

C. Maltase

D. Amylase

Breeders Have Developed New And Better Varieties Of Food Items By Using Which Technique?

A. Pasteurization

B. Hydroponic Culture Technique

C. Genetic Engineering (Answer)

D. Biological Control Techniques

Co-Enzyme Is Often Formed From ?

A. Lipid

B. Protein (Answer)

C. Inorganic Ion

D. Vitamin

Production Of Genetically Identical Copies Of Organisms/Cells By Asexula Reproduction Is Called ?

A. Mitosis

B. Replication

C. Cloning (Answer)

D. Biological Control

Messenger RNA Is Formed In-----?

A.Nucleus (Answer)

B.Chloroplast

C.Mitochondria

D.None Of These

Astronauts May Use Which Technique To Grow Fruits And Vegetables ?

A. Tissue Culture Techniques

B. Cloning

C. Pasterisation

D. Hydroponic Culture Technique (Answer)

Number Of Chromosomes In E.Coli ?

A. 1 (Answer)

B. 2

C. 4

D. 6

The Nephridia Of Earthworm Open Into The Coelom By-----?

A. Nephrostome (Answer)

B. Nephridiopore

C. Flame Cell

D. Anus

Nephrostome In Earthworm Opens In------?

A. External Space

B. Internal Body Cavity (Answer)

C. In Gut

D. In Bladder

Scolidon Or Dog Fish Belong To The Group Of Fishes Called-----?

A. Cartilaginous Fishes (Answer)

B. Bony Fishes

C. Running Fishes

D. Jawless Fishes

They Are Considered To Be The Most Primitive And Are Surely The First Of The Vertebrates?

A. Frogs

B. Reptiles

C. Amphibinas

D. Jawless Fishes (Answer)

Sub- Phylum Vertebrate Is Also Known As-----?

A. Pisces

B. Craniata (Answer)

C. Aves

D. Amphibia

The Phylum Chrordata Comprise About How Many Species?

A. 25,000

B. 50,000 (Answer)

C. 100,000

D. 10,00,000