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Biology MCQs

Option A: Cancer causing

Option B: Pneumonia causing

Option C: Emphysema

Option D: Asthma

Correct Answer: Cancer causing


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Option A: culture of finfish

Option B: culture of shellfish

Option C: culture of aquatic organisms

Option D: culture of shrimp and Tilapia

Correct Answer: culture of aquatic organisms


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Option A: Sheep gut

Option B: Cat gut

Option C: Kangaroo gut

Option D: dog gut

Correct Answer: Sheep gut


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Option A: Lysosome

Option B: Mitochondria

Option C: Ribosomes

Option D: Golgi apparatus

Correct Answer: Ribosomes


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Option A: Nervous system

Option B: Brain

Option C: Spinal cord

Option D: All of above

Correct Answer: Nervous system


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Option A: Fibers

Option B: Cells

Option C: Laucane

Option D: Blood capillaries

Correct Answer: Blood capillaries


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Option A: cytosol

Option B: Mitochondria

Option C: Matrix

Option D: Endoplasmic reticulum

Correct Answer: cytosol


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Option A: Liver

Option B: Skin

Option C: Intestine

Option D: Brain

Correct Answer: Skin


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Option A: 12

Option B: 14

Option C: 16

Option D: 18

Correct Answer: 14


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Option A: Cnidaria

Option B: Porifera

Option C: Mollusca

Option D: Nematodes

Correct Answer: Porifera


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Option A: Carbohydrates

Option B: Proteins

Option C: Nucleic Acid

Option D: Fats

Correct Answer: Proteins


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Option A: Cartilage

Option B: Charades

Option C: Charcoal

Option D: Chitin

Correct Answer: Cartilage


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Option A: Leaves of maze plant

Option B: Leaves of mango plant

Option C: Leaves of water lily

Option D: None of these

Correct Answer: Leaves of mango plant


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Option A: Protein

Option B: carbohydrates 

Option C: Flavoprotein

Option D: lipid

Correct Answer: carbohydrates 


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Option A: Leave

Option B: Root

Option C: Stem

Option D: None of These

Correct Answer: Stem


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Option A: Blattodea

Option B: Anisoptera

Option C: Culicidae

Option D: Rhopalocera

Correct Answer: Culicidae


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Option A: Earthworm

Option B: Euglena 

Option C: Squids 

Option D: Star fish

Correct Answer: Squids 


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Option A: Glucagon

Option B: Insulin

Option C: Gastrin

Option D: TSH (Thyroid Stimulation Hormone)

Correct Answer: Insulin


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Option A: Specific organ

Option B: Cell membrane

Option C: Cell wall

Option D: Nuclear membrane

Correct Answer: Cell membrane


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Option A: Chondrology

Option B: Osteology

Option C: Mycology

Option D: Histology

Correct Answer: Osteology


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Option A: Alveoli

Option B: Air sacs

Option C: Parabronchi

Option D: None of these

Correct Answer: Alveoli


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Option A: Anaerobic respiration

Option B: Aerobic respiration

Option C: Nitrogenous respiration

Option D: Acidic respiration

Correct Answer: Aerobic respiration


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Option A: STH

Option B: TSH

Option C: ACTH

Option D: Thyroxin

Correct Answer: STH


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Option A: Alexander Fleming 

Option B: Louis Pasteur

Option C: Michal Faraday

Option D: John Loannids

Correct Answer: Alexander Fleming 


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Option A: Brain

Option B: Body

Option C: Liver

Option D: None of these

Correct Answer: Brain


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Option A: Acidic

Option B: Basic

Option C: Neutral

Option D: All of these

Correct Answer: Acidic


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Option A: XY

Option B: XX

Option C: XXY

Option D: XXX

Correct Answer: XX


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Option A: C-H

Option B: C-N

Option C: C-O

Option D: C-S

Correct Answer: C-S


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Option A: ecotype

Option B: Species

Option C: Genus

Option D: Order

Correct Answer: ecotype


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Option A: 126

Option B: 86

Option C: 92

Option D: 206

Correct Answer: 92


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Option A: Brain stem

Option B: Brain base

Option C: Brain root

Option D: None of These

Correct Answer: Brain stem


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Option A: Basic

Option B: Acidic

Option C: Both

Option D: None of these

Correct Answer: Acidic


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Option A: Gram + bacteria

Option B: Gram – bacteria

Option C: Chalko Virus

Option D: Treponema palladium

Correct Answer: B. Gram – bacteria


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Option A: 59

Option B: 29

Option C: 78

Option D: 20

Correct Answer: 20


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Option A: Pons

Option B: Cranium

Option C: Reticular formation 

Option D: Amygdala

Correct Answer: Reticular formation 


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Option A: Wind

Option B: Carbon

Option C: Oxygen

Option D: Energy

Correct Answer: Energy


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Option A: G1

Option B: S

Option C: G2

Option D: All of these

Correct Answer: G2


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Option A: 8

Option B: 4

Option C: 6

Option D: None of These

Correct Answer: 6


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Option A: Ecology

Option B: Cosmology

Option C: Exobiology

Option D: None of These

Correct Answer: Exobiology


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Option A: 60 to 100

Option B: 70 to 100

Option C: 50 to 100

Option D: 80 to 100

Correct Answer: 60 to 100


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Option A: Capillaries

Option B: Lumen

Option C: Platelates

Option D: Plasma

Correct Answer: Lumen


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Option A: Felis

Option B: Ficus

Option C: Homo

Option D: Tigris

Correct Answer: Felis


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Option A: 23

Option B: 46

Option C: 0

Option D: None of These

Correct Answer: 0


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Option A: Slime

Option B: Mesosomes

Option C: Capsule

Option D: Flagella

Correct Answer: Capsule


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Option A: Anton van Leeuwenhoek

Option B: Von Baer

Option C: Robert Hook

Option D: None of These

Correct Answer: Anton van Leeuwenhoek


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Option A: Medicine

Option B: Surgery

Option C: Lithotripsy

Option D: Dialysis

Correct Answer: Dialysis


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Option A: Trachoma

Option B: Rickets

Option C: Osteoporosis

Option D: Gum disease

Correct Answer: Trachoma


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Option A: 60 Times

Option B: 70 Times

Option C: 80 Times

Option D: 85 Times

Correct Answer: 80 Times


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Option A: Gain Water

Option B: Lose Water

Option C: Exchange gas

Option D: None of These

Correct Answer: Lose Water


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Option A: hepatology

Option B: hematology

Option C: mycology

Option D: None of These

Correct Answer: hepatology


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Option A: Psilopsida

Option B: Lycopsida

Option C: Sphenopsida

Option D: Pteropsida

Correct Answer: Lycopsida


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Option A: Leg

Option B: Ear

Option C: Hand

Option D: Nose

Correct Answer: Leg


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Option A: 2

Option B: 4

Option C: 6

Option D: 36

Correct Answer: 2


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Option A: Molecular oxygen

Option B: NADP+

Option C: water

Option D: Sulfate

Correct Answer: Sulfate


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Option A: ATP

Option B: DNA

Option C: RNA

Option D: ADP

Correct Answer: ATP


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Option A: Transgene

Option B: Promoter

Option C: Enhancer

Option D: Reporter

Correct Answer: Reporter


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Option A: Ligase

Option B: Endonuclease

Option C: Exonuclease

Option D: Gyrase

Correct Answer: Endonuclease


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Option A: Using radiolabelled second antibody

Option B: Usage of RBCs

Option C: Using complement-mediated cell lysis

Option D: Addition of substrate that is converted into a coloured end product

Correct Answer: Addition of substrate that is converted into a coloured end product


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Option A: Endonuclease

Option B: Unpaired bases

Option C: Calcium ions

Option D: Free methylation

Correct Answer: Unpaired bases


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Option A: Gives high yield but no characteristic aroma

Option B: Gives high yield and is rich in vitamin A

Option C: Does not require chemical fertilizers and growth hormones

Option D: Resistant to insects and diseases

Correct Answer: Gives high yield and is rich in vitamin A


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Option A: Brinjal

Option B: Tobacco

Option C: Rice

Option D: Cotton

Correct Answer: Tobacco


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Option A: Cell proliferation

Option B: Micropropagation

Option C: Cell defence

Option D: Cell differentiation

Correct Answer: Cell defence


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Option A: Adenosine deaminase deficiency

Option B: Adenosine deficiency

Option C: Growth deficiency

Option D: Adenine deficiency

Correct Answer: Adenosine deaminase deficiency


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Option A: Can be multiplied in culture

Option B: Self-replication in bacterial cells

Option C: Can be multiplied in laboratories with the help of enzymes

Option D: Replicate freely outside bacterial cells

Correct Answer: Self-replication in bacterial cells


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Option A: Third generation vaccines

Option B: First-generation vaccines

Option C: Second-generation vaccines

Option D: None of these

Correct Answer: Third generation vaccines


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Option A: Bt-cotton

Option B: Bt-brinjal

Option C: Golden rice

Option D: All

Correct Answer: All


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Option A: Karry Mullis

Option B: Boyer

Option C: Sanger

Option D: Cohn

Correct Answer: Karry Mullis


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Option A: Retrovirus

Option B: Baculovirus

Option C: Salmonella typhimurium

Option D: Rhizopus nigricans

Correct Answer: Retrovirus


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Option A: saccharomyces

Option B: Rhizobium

Option C: Escherichia

Option D: Mycobacterium

Correct Answer: Escherichia


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Option A: Gregor Mendel

Option B: Alexendar

Option C: Darewin

Option D: Louis pasture

Correct Answer: Gregor Mendel


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Option A: Opacity of Cornea

Option B: Opacity of lens

Option C: None

Option D: None of these

Correct Answer: Opacity of Cornea


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Option A: Abdominal cavity

Option B: Pericardial cavity

Option C: Buccal cavity

Option D: Thoracic cavity

Correct Answer: Thoracic cavity


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Option A: Mesophyll cells

Option B: Xylem Cells

Option C: Phloem Cells

Option D: Guard Cells

Correct Answer: Guard Cells


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Option A: hypochromia

Option B: Anisocytosis

Option C: Poikilocytosis

Option D: Polychromatophilia

Correct Answer: Anisocytosis


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Option A: Dextrose

Option B: Sugar

Option C: Glycogen

Option D: Starch

Correct Answer: Dextrose


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Option A: Leeuwenhoek

Option B: Michel-Eugène Chevreul

Option C: C.W. Scheele

Option D: None of these

Correct Answer: C.W. Scheele


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Option A: Glucose

Option B: Monosaccharides

Option C: Starch

Option D: None of these

Correct Answer: Fiaz Ahmad Mazari


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Option A: Emil Fischer

Option B: Emil Fischeraf

Option C: Anselme Payen

Option D: Mandel

Correct Answer: Emil Fischer


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Option A: Claude Silbert Hudson

Option B: Anselme Payen

Option C: Jons jacob Berzeliis

Option D: Justus von Liebig

Correct Answer: Claude Silbert Hudson


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Option A: Jons Jacob Berzelius

Option B: Anselme Payen

Option C: Walter Bradford Cannon

Option D: None of these

Correct Answer: Jons Jacob Berzelius


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Option A: Jons Jacob Berzelius

Option B: Anselme Payen

Option C: Walter Bradford Cannon

Option D: None of these

Correct Answer: Anselme Payen


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Option A: Walter Bradford Cannon

Option B: Anselme Payen

Option C: Jons jacob Berzeliis

Option D: None of these

Correct Answer: Walter Bradford Cannon


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Option A: oocyte

Option B: oogenesis

Option C: Oviduct

Option D: None of these

Correct Answer: oogenesis


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Option A: staphylococcus

Option B: Mycobacterium

Option C: Streptococcus

Option D: Propionibacterium

Correct Answer: Propionibacterium


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Option A: Isobar

Option B: Isohel

Option C: Isochore

Option D: None of these

Correct Answer: Isohel


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Option A: food

Option B: mechanical support

Option C: shade

Option D: None of these

Correct Answer: mechanical support


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Option A: Bacteria

Option B: Fungus

Option C: Protozoan

Option D: Nematode

Correct Answer: Fungus


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Option A: Blue-green algae

Option B: Rhizobium sp.

Option C: Mycorrhizal fungi

Option D: None of these

Correct Answer: Blue-green algae


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Option A: Smallpox

Option B: Jaundice

Option C: Diabetes

Option D: None of these

Correct Answer: Smallpox


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Option A: B-Lymphocytes

Option B: T-lymphocytes

Option C: Both B and T lymphocytes

Option D: RBCs

Correct Answer: T-lymphocytes


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Option A: 2.8 Billion 

Option B: 3.7 Billion

Option C: 4.2 Billion

Option D: Infinite

Correct Answer: 2.8 Billion 


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Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3


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Option A: 206

Option B: 300

Option C: 650

Option D: 703

Correct Answer: 650


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Option A: Skeletal Muscles 

Option B: Smooth Muscles

Option C: Cardiac Muscles

Option D: All of these

Correct Answer: Skeletal Muscles 


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Option A: Bacteria

Option B: Virus

Option C: Cyanobacteria

Option D: Plants

Correct Answer: Virus


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Option A: Morgan

Option B: Darwin

Option C: Aristotle

Option D: Mendal

Correct Answer: Mendal


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Option A: 7

Option B: 67

Option C: 85

Option D: All

Correct Answer: 85


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Option A: Multifactorial

Option B: Pleiotropic

Option C: Polygenic

Option D: Epistatic

Correct Answer: Polygenic


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Option A: Six

Option B: Seven

Option C: Eight

Option D: Nine

Correct Answer: Seven


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Option A: HAV

Option B: HIV

Option C: Rabies

Option D: Pigs

Correct Answer: HIV


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