Biology MCQs

Option A: bacteria in the human colon

Option B: tapeworm in the cow intestine

Option C: bacteria passing through the placenta

Option D: protozoans found within termites

Correct Answer: bacteria passing through the placenta ✔

Option A: Malaria

Option B: Measles

Option C: Mumps

Option D: Cholera

Correct Answer: Mumps ✔

Option A: Strength

Option B: Flexibility

Option C: Normal physical endurance

Option D: Agility

Correct Answer: Normal physical endurance ✔

Option A: Tissue culture

Option B: Mutation

Option C: Antibiosis

Option D: Recombination

Correct Answer: Tissue culture ✔

Option A: Mitochonderia

Option B: Chloroplast

Option C: Peroxisomes

Option D: Both A & B

Correct Answer: Chloroplast ✔

Option A: 7

Option B: 14

Option C: 16

Option D: 0

Correct Answer: 0 ✔

Option A: DNA

Option B: Chromosomes

Option C: Gene

Option D: Nucleus

Correct Answer: Chromosomes ✔

Option A: Goat

Option B: Cow

Option C: Rat

Option D: Sheep 

Correct Answer: Sheep  ✔

Option A: Drones

Option B: Vectors

Option C: Hybirds

Option D: None of these

Correct Answer: Vectors ✔

Option A: Rest period

Option B: Incubation period

Option C: Sleeping period

Option D: Inclubation time

Correct Answer: Incubation period ✔

Option A: unicellular

Option B: multicellular

Option C: acellular

Option D: none of these

Correct Answer: acellular ✔

Option A: Anoxia

Option B: Anorexia

Option C: Hypoxia

Option D: Enuresis

Correct Answer: Anoxia ✔

A. Botany
B. Ecology
C. Social biology
D. Pharmacology

Submitted by: Rashid Mehmood

Correct Answer: Ecology ✔

A. Effectors neurons
B. Receptor neurons
C. Stimulators
D. Detector neurons

Submitted by: Rashid Mehmood

Correct Answer: Receptor neurons ✔

Option A: Thin

Option B: Thick

Option C: Soft

Option D: Hard

Correct Answer: Thick ✔

Option A: Iris

Option B: Pupil

Option C: Horoid coat

Option D: Ciliary body

Correct Answer: Iris ✔

Option A: Cooksonia 

Option B: Selaginella

Option C: Adiantum

Option D: Dryopteris

Correct Answer: Cooksonia  ✔

Option A: Autecology

Option B: Niche

Option C: Ecosystem

Option D: Biome

Correct Answer: Niche ✔

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

Submitted by: Rashid Mehmood

Correct Answer: Nuclear envelop ✔

Option A: Karyokinesis

Option B: Cytokinesis

Option C: Anaphase

Option D: Meiosis

Correct Answer: Karyokinesis ✔

Option A: 1 cm

Option B: 2 cm

Option C: 5 cm

Option D: 9 cm

Correct Answer: 1 cm ✔

Option A: Suture

Option B: Sutural joints

Option C: Syndesmosis

Option D: Both A and B

Correct Answer: Both A and B ✔

Option A: Hepar

Option B: Hepta

Option C: Heptum

Option D: Hilum

Correct Answer: Hepar ✔

Option A: Periosteum

Option B: Woven bone

Option C: Epithelium lining

Option D: Connective lining

Correct Answer: Periosteum ✔

Option A: Suckers

Option B: corms

Option C: corals

Option D: None

Correct Answer: Suckers ✔

Option A: Apoptotic bodies

Option B: Necrosis bodies

Option C: Tuberculosis bodies

Option D: Cytokinetic bodies

Correct Answer: Apoptotic bodies ✔

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 ✔

Option A: lysosomes

Option B: Vacuoles

Option C: Cytoplasm

Option D: Golgi bodies

Correct Answer: lysosomes ✔

Option A: polysaccharides

Option B: Polypeptides

Option C: Glucose

Option D: Sugar

Correct Answer: Glucose ✔

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

Submitted by: Rashid Mehmood

Correct Answer: Anaerobic respiration ✔

Option A: Hay fever

Option B: Scurvy

Option C: Parkinson Disease

Option D: Downs syndrome

Correct Answer: Downs syndrome ✔

Option A: Hormones

Option B: Hemoglobin

Option C: Red blood cell

Option D: White blood cell

Correct Answer: Hemoglobin ✔

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 ✔

Option A: Wind

Option B: Insects

Option C: Water

Option D: Rain

Correct Answer: Insects ✔

Option A: No scent

Option B: Irregular shape

Option C: No pedicles

Option D: No petals

Correct Answer: No pedicles ✔

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 ✔

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 ✔

Option A: Maize

Option B: Sword bean seed

Option C: Broad bean seed

Option D: Corn

Correct Answer: Sword bean seed ✔

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 ✔

Option A: Dioecious plants

Option B: Pawpaw

Option C: Flowers

Option D: both A and B 

Correct Answer: both A and B  ✔

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 ✔

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 ✔

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 ✔

Option A: Regular shape

Option B: Circular shape

Option C: Triangular shape

Option D: Cone shape

Correct Answer: Regular shape ✔

Option A: Fungi

Option B: Protist

Option C: Multicellular alga

Option D: Unicellular alga

Correct Answer: Unicellular alga ✔

Option A: Lungs

Option B: Eyes

Option C: Brain

Option D: Bones

Correct Answer: Brain ✔

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 ✔

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 ✔

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 ✔

Option A: Acclimatization

Option B: Agglutination

Option C: Paralysis

Option D: Phagocytosis

Correct Answer: Phagocytosis ✔

Option A: One Second

Option B: Two Seconds

Option C: Three Seconds

Option D: Four Seconds

Correct Answer: One Second ✔

Option A: Vitamin D

Option B: Vitamin E

Option C: Vitamin C

Option D: Vitamin A

Correct Answer: Vitamin D ✔

Option A: Ascorbic acid

Option B: Retinol

Option C: Riboflavin

Option D: a-tocopherols

Correct Answer: Ascorbic acid ✔

Option A: Casein

Option B: Trypsin

Option C: Oxytocin

Option D: Keratin

Correct Answer: Oxytocin ✔

Option A: Forehead

Option B: Back

Option C: Armpits

Option D: Palm of hand

Correct Answer: Armpits ✔

Option A: Red fluid

Option B: Hemoglobin

Option C: Fluid tissue

Option D: Plasma

Correct Answer: Fluid tissue ✔

Option A: Haemoglobin

Option B: Fibrin

Option C: Heparin

Option D: Plasma

Correct Answer: Heparin ✔

Option A: Plasmodium vivax

Option B: Plasmodium falciparum

Option C: Plasmodium ovale

Option D: Plasmodium malariae

Correct Answer: Plasmodium vivax ✔

Option A: Binary fission

Option B: Conjugation

Option C: Encystment

Option D: Endomixis

Correct Answer: Encystment ✔

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 ✔

Option A: Prienth

Option B: Hermaphrodite

Option C: Complete flower

Option D: Se*ual whorls

Correct Answer: Hermaphrodite ✔

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 ✔

Option A: Starch

Option B: Sugar

Option C: Proteins

Option D: All of these and fats

Correct Answer: All of these and fats ✔

Option A: Endosmosis

Option B: Pinocytosis

Option C: Phagocytosis

Option D: None of these

Correct Answer: Phagocytosis ✔

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 ✔

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 ✔

Option A: Lipids

Option B: Carbohydrates

Option C: Amino acids

Option D: Protein and amino acids

Correct Answer: Protein and amino acids ✔

Option A: Abscisic acid

Option B: Cytokinin

Option C: Ethylene

Option D: Gibberellin

Correct Answer: Gibberellin ✔

Option A: Musturd

Option B: Paddy

Option C: Ground nut

Option D: None of these

Correct Answer: Ground nut ✔

Option A: Butterfly

Option B: Mushroom

Option C: Fish

Option D: Algae

Correct Answer: Algae ✔

Option A: Worms

Option B: Insects

Option C: Jelly fish

Option D: None of these

Correct Answer: Insects ✔

Option A: Bacteria

Option B: Fungi

Option C: Viruses

Option D: Algae

Correct Answer: Bacteria ✔

Option A: Gene

Option B: Protein

Option C: Glucose

Option D: Diabetes

Correct Answer: Protein ✔

Option A: Aphasia

Option B: Dysphasia

Option C: Hypoxia

Option D: None

Correct Answer: Hypoxia ✔

Option A: Biology

Option B: Physics

Option C: Chemistry

Option D: All of these

Correct Answer: Biology ✔

Option A: HAV

Option B: HBV

Option C: HCV

Option D: HDV

Correct Answer: HCV ✔

Option A: Robert Hook

Option B: Robert Brown

Option C: Gregor Mendel

Option D: Charless Darwin

Correct Answer: Gregor Mendel ✔

Option A: Hair

Option B: Appendix

Option C: Hip bone

Option D: Navel

Correct Answer: Appendix ✔

Option A: Reptiles

Option B: Fish

Option C: Insect

Option D: None of these

Correct Answer: Insect ✔

Option A: B1

Option B: B2

Option C: B12

Option D: B6

Correct Answer: B1 ✔

Option A: ring worm

Option B: meningitis

Option C: hepatitis

Option D: none of these

Correct Answer: meningitis ✔

Option A: cholesterol

Option B: waxes

Option C: chitin

Option D: all of these

Correct Answer: waxes ✔

Option A: leucoplast

Option B: chromoplast

Option C: chloroplast

Option D: stem

Correct Answer: leucoplast ✔

Option A: alanine

Option B: glycine

Option C: valine

Option D: phenylalanine

Correct Answer: glycine ✔

Option A: paralysis

Option B: oedema

Option C: mental retardation

Option D: all of these

Correct Answer: mental retardation ✔

Option A: paralysis

Option B: oedema

Option C: mental retardation

Option D: all of these

Correct Answer: mental retardation ✔

Option A: cytoplasm

Option B: nucleus

Option C: vacuole

Option D: mitochondria

Correct Answer: nucleus ✔

Option A: micro tubules

Option B: micro filaments

Option C: intermediate filaments

Option D: glycoproteins

Correct Answer: micro tubules ✔

Option A: Pasteur

Option B: Chamberland

Option C: Stanely

Option D: Ivanowski

Correct Answer: Stanely ✔

Option A: tracheophytes

Option B: bryophytes

Option C: pteridophytes

Option D: all of these

Correct Answer: tracheophytes ✔

Option A: stem tuber

Option B: rhizoids

Option C: sporangium

Option D: none of these

Correct Answer: rhizoids ✔

Option A: Whittaker

Option B: Chatton

Option C: Haeckel

Option D: Margulis and Schwartz

Correct Answer: Chatton ✔

Option A: sporozoites

Option B: merozoites

Option C: zygote

Option D: none of these

Correct Answer: sporozoites ✔

Option A: red

Option B: green

Option C: purple

Option D: pink

Correct Answer: purple ✔

Option A: prions

Option B: bacteriophages

Option C: oncoviruses

Option D: virions

Correct Answer: virions ✔

Option A: bacteria

Option B: protist

Option C: virus

Option D: fungi

Correct Answer: virus ✔

Option A: echinodermata

Option B: mollusca

Option C: nematoda

Option D: arthropoda

Correct Answer: arthropoda ✔

Option A: gastropods

Option B: bivalves

Option C: arthropods

Option D: platyhelminthes

Correct Answer: gastropods ✔

Option A: tube feet

Option B: cilia

Option C: pseudopodia

Option D: flagella

Correct Answer: pseudopodia ✔

Option A: cattle

Option B: sheep

Option C: goat

Option D: all of these

Correct Answer: all of these ✔