Logo

Biology MCQs

Option A: Cooksonia 

Option B: Selaginella

Option C: Adiantum

Option D: Dryopteris

Correct Answer: Cooksonia 


Click for More Details

Option A: Autecology

Option B: Niche

Option C: Ecosystem

Option D: Biome

Correct Answer: Niche


Click for More Details

A. Cell wall
B. Cell membrane
C. Boundary
D. Nuclear envelop

Submitted by: Rashid Mehmood

Correct Answer: Nuclear envelop


Click for More Details

Option A: Karyokinesis

Option B: Cytokinesis

Option C: Anaphase

Option D: Meiosis

Correct Answer: Karyokinesis


Click for More Details

Option A: 1 cm

Option B: 2 cm

Option C: 5 cm

Option D: 9 cm

Correct Answer: 1 cm


Click for More Details

Option A: Suture

Option B: Sutural joints

Option C: Syndesmosis

Option D: Both A and B

Correct Answer: Both A and B


Click for More Details

Option A: Hepar

Option B: Hepta

Option C: Heptum

Option D: Hilum

Correct Answer: Hepar


Click for More Details

Option A: Periosteum

Option B: Woven bone

Option C: Epithelium lining

Option D: Connective lining

Correct Answer: Periosteum


Click for More Details

Option A: Suckers

Option B: corms

Option C: corals

Option D: None

Correct Answer: Suckers


Click for More Details

Option A: Apoptotic bodies

Option B: Necrosis bodies

Option C: Tuberculosis bodies

Option D: Cytokinetic bodies

Correct Answer: Apoptotic bodies


Click for More Details

Option A: 20 to 35 billion cells

Option B: 50 to 70 billion cells

Option C: 10 to 20 billion cells

Option D: 15 to 25 billion cells

Correct Answer: 50 to 70 billion cells


Click for More Details

Option A: lysosomes

Option B: Vacuoles

Option C: Cytoplasm

Option D: Golgi bodies

Correct Answer: lysosomes


Click for More Details

Option A: polysaccharides

Option B: Polypeptides

Option C: Glucose

Option D: Sugar

Correct Answer: Glucose


Click for More Details

A  Acidic respiration
B. Anaerobic respiration
C. Aerobic respiration
D. Nitrogenous respiration

Submitted by: Rashid Mehmood

Correct Answer: Anaerobic respiration


Click for More Details

Option A: Hay fever

Option B: Scurvy

Option C: Parkinson Disease

Option D: Downs syndrome

Correct Answer: Downs syndrome


Click for More Details

Option A: Hormones

Option B: Hemoglobin

Option C: Red blood cell

Option D: White blood cell

Correct Answer: Hemoglobin


Click for More Details

Option A: Irregular in shape

Option B: Convex in shape

Option C: Long and cylindrical in shape

Option D: Kidney-shaped

Correct Answer: Kidney-shaped


Click for More Details

Option A: Wind

Option B: Insects

Option C: Water

Option D: Rain

Correct Answer: Insects


Click for More Details

Option A: No scent

Option B: Irregular shape

Option C: No pedicles

Option D: No petals

Correct Answer: No pedicles


Click for More Details

Option A: More anti-diuretic hormone

Option B: Lesser anti-diuretic hormone

Option C: Active functioning of pancreas

Option D: Inactivity of pituitary gland

Correct Answer: More anti-diuretic hormone


Click for More Details

Option A: Regulation of body temperature

Option B: Regulation of anti-diuretic hormones

Option C: Regulation of sleep and emotions

Option D: Regulation of blood osmotic pressure

Correct Answer: Regulation of anti-diuretic hormones


Click for More Details

Option A: Maize

Option B: Sword bean seed

Option C: Broad bean seed

Option D: Corn

Correct Answer: Sword bean seed


Click for More Details

Option A: The ventricles are fully contracted

Option B: The ventricles start to relax

Option C: The bicuspid and tricuspid valves suddenly close

Option D: The semilunar valves are closed

Correct Answer: The bicuspid and tricuspid valves suddenly close


Click for More Details

Option A: Dioecious plants

Option B: Pawpaw

Option C: Flowers

Option D: both A and B 

Correct Answer: both A and B 


Click for More Details

Option A: Bidding of Dermatology

Option B: Binding of Dirt

Option C: Biochemical occupied Date

Option D: Biochemical Oxygen demand

Correct Answer: Biochemical Oxygen demand


Click for More Details

Option A: Rate of digestion

Option B: Rate of reaction

Option C: Level of pH

Option D: Number of active sites

Correct Answer: Rate of reaction


Click for More Details

A.Thermal adaptation shown by animals
B. wind adaptation shown by animals
C. adaptation of animals to escape from predators
D. none of the above

Submitted by: Muhammad Ali Kunbhar

Correct Answer: A.Thermal adaptation shown by animals


Click for More Details

Option A: Regular shape

Option B: Circular shape

Option C: Triangular shape

Option D: Cone shape

Correct Answer: Regular shape


Click for More Details

Option A: Fungi

Option B: Protist

Option C: Multicellular alga

Option D: Unicellular alga

Correct Answer: Unicellular alga


Click for More Details

Option A: Lungs

Option B: Eyes

Option C: Brain

Option D: Bones

Correct Answer: Brain


Click for More Details

Option A: 4.5 to 6.2 million

Option B: 3.4 to 6.8 million

Option C: 3.2 to 7.2 million

Option D: 4.0 to 5.2 million

Correct Answer: 4.5 to 6.2 million


Click for More Details

Option A: 2,500 and 09,300

Option B: 4,500 and 10,000

Option C: 4,900 and 12,000

Option D: None of these

Correct Answer: 4,500 and 10,000


Click for More Details

Option A: 4.5 to 6.2 million

Option B: 3.4 to 6.8 million

Option C: 3.2 to 7.2 million

Option D: 4.0 to 5.2 million

Correct Answer: 4.0 to 5.2 million


Click for More Details

Option A: Acclimatization

Option B: Agglutination

Option C: Paralysis

Option D: Phagocytosis

Correct Answer: Phagocytosis


Click for More Details

Option A: One Second

Option B: Two Seconds

Option C: Three Seconds

Option D: Four Seconds

Correct Answer: One Second


Click for More Details

Option A: Vitamin D

Option B: Vitamin E

Option C: Vitamin C

Option D: Vitamin A

Correct Answer: Vitamin D


Click for More Details

Option A: Ascorbic acid

Option B: Retinol

Option C: Riboflavin

Option D: a-tocopherols

Correct Answer: Ascorbic acid


Click for More Details

Option A: Casein

Option B: Trypsin

Option C: Oxytocin

Option D: Keratin

Correct Answer: Oxytocin


Click for More Details

Option A: Forehead

Option B: Back

Option C: Armpits

Option D: Palm of hand

Correct Answer: Armpits


Click for More Details

Option A: Red fluid

Option B: Hemoglobin

Option C: Fluid tissue

Option D: Plasma

Correct Answer: Fluid tissue


Click for More Details

Option A: Haemoglobin

Option B: Fibrin

Option C: Heparin

Option D: Plasma

Correct Answer: Heparin


Click for More Details

Option A: Plasmodium vivax

Option B: Plasmodium falciparum

Option C: Plasmodium ovale

Option D: Plasmodium malariae

Correct Answer: Plasmodium vivax


Click for More Details

Option A: Binary fission

Option B: Conjugation

Option C: Encystment

Option D: Endomixis

Correct Answer: Encystment


Click for More Details

Option A: Liver of man

Option B: RBC of man

Option C: Stomach wall of mosquito

Option D: Salivary glands of mosquito

Correct Answer: Stomach wall of mosquito


Click for More Details

Option A: Prienth

Option B: Hermaphrodite

Option C: Complete flower

Option D: Se*ual whorls

Correct Answer: Hermaphrodite


Click for More Details

Option A: 8 from one conjugant

Option B: 8 from two conjugants

Option C: 16 from two conjugants

Option D: 8-16 from two conjugants

Correct Answer: 8 from two conjugants


Click for More Details

Option A: Starch

Option B: Sugar

Option C: Proteins

Option D: All of these and fats

Correct Answer: All of these and fats


Click for More Details

Option A: Endosmosis

Option B: Pinocytosis

Option C: Phagocytosis

Option D: None of these

Correct Answer: Phagocytosis


Click for More Details

Option A: 15 to 19

Option B: 20 to 34

Option C: 35 to 39

Option D: 40 to 45

Correct Answer: 40 to 45


Click for More Details

Sporadic
Epidemic
Endemic
Zoonosis

Submitted by: DR DiYAL DAS

Disease Transmitted from Animals to Humans. A zoonosis (zoonotic disease or zoonoses -plural) is an infectious disease that is transmitted between species from animals to humans (or from humans to animals).

Correct Answer: Zoonosis


Click for More Details

Option A: Lipids

Option B: Carbohydrates

Option C: Amino acids

Option D: Protein and amino acids

Correct Answer: Protein and amino acids


Click for More Details

Option A: Abscisic acid

Option B: Cytokinin

Option C: Ethylene

Option D: Gibberellin

Correct Answer: Gibberellin


Click for More Details

Option A: Musturd

Option B: Paddy

Option C: Ground nut

Option D: None of these

Correct Answer: Ground nut


Click for More Details

Option A: Butterfly

Option B: Mushroom

Option C: Fish

Option D: Algae

Correct Answer: Algae


Click for More Details

Option A: Worms

Option B: Insects

Option C: Jelly fish

Option D: None of these

Correct Answer: Insects


Click for More Details

Option A: Bacteria

Option B: Fungi

Option C: Viruses

Option D: Algae

Correct Answer: Bacteria


Click for More Details

Option A: Gene

Option B: Protein

Option C: Glucose

Option D: Diabetes

Correct Answer: Protein


Click for More Details

Option A: Aphasia

Option B: Dysphasia

Option C: Hypoxia

Option D: None

Correct Answer: Hypoxia


Click for More Details

Option A: Biology

Option B: Physics

Option C: Chemistry

Option D: All of these

Correct Answer: Biology


Click for More Details

Option A: HAV

Option B: HBV

Option C: HCV

Option D: HDV

Correct Answer: HCV


Click for More Details

Option A: Robert Hook

Option B: Robert Brown

Option C: Gregor Mendel

Option D: Charless Darwin

Correct Answer: Gregor Mendel


Click for More Details

Option A: Hair

Option B: Appendix

Option C: Hip bone

Option D: Navel

Correct Answer: Appendix


Click for More Details

Option A: Reptiles

Option B: Fish

Option C: Insect

Option D: None of these

Correct Answer: Insect


Click for More Details

Option A: B1

Option B: B2

Option C: B12

Option D: B6

Correct Answer: B1


Click for More Details

Option A: ring worm

Option B: meningitis

Option C: hepatitis

Option D: none of these

Correct Answer: meningitis


Click for More Details

Option A: cholesterol

Option B: waxes

Option C: chitin

Option D: all of these

Correct Answer: waxes


Click for More Details

Option A: leucoplast

Option B: chromoplast

Option C: chloroplast

Option D: stem

Correct Answer: leucoplast


Click for More Details

Option A: alanine

Option B: glycine

Option C: valine

Option D: phenylalanine

Correct Answer: glycine


Click for More Details

Option A: paralysis

Option B: oedema

Option C: mental retardation

Option D: all of these

Correct Answer: mental retardation


Click for More Details

Option A: paralysis

Option B: oedema

Option C: mental retardation

Option D: all of these

Correct Answer: mental retardation


Click for More Details

Option A: cytoplasm

Option B: nucleus

Option C: vacuole

Option D: mitochondria

Correct Answer: nucleus


Click for More Details

Option A: micro tubules

Option B: micro filaments

Option C: intermediate filaments

Option D: glycoproteins

Correct Answer: micro tubules


Click for More Details

Option A: Pasteur

Option B: Chamberland

Option C: Stanely

Option D: Ivanowski

Correct Answer: Stanely


Click for More Details

Option A: tracheophytes

Option B: bryophytes

Option C: pteridophytes

Option D: all of these

Correct Answer: tracheophytes


Click for More Details

Option A: stem tuber

Option B: rhizoids

Option C: sporangium

Option D: none of these

Correct Answer: rhizoids


Click for More Details

Option A: Whittaker

Option B: Chatton

Option C: Haeckel

Option D: Margulis and Schwartz

Correct Answer: Chatton


Click for More Details

Option A: sporozoites

Option B: merozoites

Option C: zygote

Option D: none of these

Correct Answer: sporozoites


Click for More Details

Option A: red

Option B: green

Option C: purple

Option D: pink

Correct Answer: purple


Click for More Details

Option A: prions

Option B: bacteriophages

Option C: oncoviruses

Option D: virions

Correct Answer: virions


Click for More Details

Option A: bacteria

Option B: protist

Option C: virus

Option D: fungi

Correct Answer: virus


Click for More Details

Option A: echinodermata

Option B: mollusca

Option C: nematoda

Option D: arthropoda

Correct Answer: arthropoda


Click for More Details

Option A: gastropods

Option B: bivalves

Option C: arthropods

Option D: platyhelminthes

Correct Answer: gastropods


Click for More Details

Option A: tube feet

Option B: cilia

Option C: pseudopodia

Option D: flagella

Correct Answer: pseudopodia


Click for More Details

Option A: cattle

Option B: sheep

Option C: goat

Option D: all of these

Correct Answer: all of these


Click for More Details

Option A: nervous system

Option B: digestive system

Option C: reproductive system

Option D: circulatory system

Correct Answer: digestive system


Click for More Details

Option A: flowering plants

Option B: seed plants

Option C: ferns

Option D: none of these

Correct Answer: seed plants


Click for More Details

Option A: bryophytes

Option B: pteridophytes

Option C: tracheophytes

Option D: all of these

Correct Answer: bryophytes


Click for More Details

Option A: sternum

Option B: clavicle

Option C: maxilla

Option D: radius

Correct Answer: clavicle


Click for More Details

Option A: stored ATP in body

Option B: hypercalcemia

Option C: autolysis in body

Option D: hyperactivity of mitochondria

Correct Answer: hyperactivity of mitochondria


Click for More Details

Option A: fertilization

Option B: ovulation

Option C: implantation

Option D: none of these

Correct Answer: ovulation


Click for More Details

Option A: cervix

Option B: vagina

Option C: uterus

Option D: amniotic fluid

Correct Answer: amniotic fluid


Click for More Details

Option A: glucose

Option B: fructose

Option C: lactose

Option D: sacrose

Correct Answer: glucose


Click for More Details

Option A: Vernon Ingram

Option B: Sanger

Option C: Miescher

Option D: none of these

Correct Answer: Vernon Ingram


Click for More Details

Option A: sea water

Option B: moist soil

Option C: fresh water

Option D: none of these

Correct Answer: moist soil


Click for More Details

Option A: placenta

Option B: guttural pouch

Option C: marsupial

Option D: all of these

Correct Answer: marsupial


Click for More Details

Option A: ingestion

Option B: absorption

Option C: assimilation

Option D: both a and b

Correct Answer: assimilation


Click for More Details

Option A: cockroach

Option B: frog

Option C: fish

Option D: birds

Correct Answer: birds


Click for More Details

Option A: tuberculosis

Option B: emphysema

Option C: asthma

Option D: cancer

Correct Answer: emphysema


Click for More Details

Option A: zero

Option B: one

Option C: negative

Option D: two

Correct Answer: zero


Click for More Details

Option A: digestion

Option B: assimilation

Option C: absorption

Option D: ingestion

Correct Answer: absorption


Click for More Details