Biology MCQs

Option A: Species

Option B: Community

Option C: Ecosystem

Option D: Population

Correct Answer: Population ✔

Option A: Biosphere

Option B: Ecosystem

Option C: Population

Option D: Species

Correct Answer: Species ✔

Option A: Organ

Option B: Tissues

Option C: Organelle

Option D: Organ System

Correct Answer: Tissues ✔

Option A: Chloroplast

Option B: A Nerve Cell

Option C: DNA

Option D: Hydrogen

Correct Answer: DNA ✔

Option A: Biosphere

Option B: Community

Option C: Population System

Option D: Ecosystem

Correct Answer: Community ✔

Option A: Cells

Option B: Organs

Option C: Organ System

Option D: Organelles

Correct Answer: Organs ✔

Option A: Nucleus

Option B: Genes

Option C: Chromosomes

Option D: Nucleolus

Correct Answer: Genes ✔

Option A: Unicellular structures

Option B: Multi-cellular structures

Option C: Sub-cellular structures

Option D: Non-cellular structures

Correct Answer: Sub-cellular structures ✔

Option A: Cells

Option B: Tissues

Option C: Organs

Option D: Organ System

Correct Answer: Cells ✔

Option A: Organelle

Option B: Tissues

Option C: Organic compound

Option D: Inorganic compounds

Correct Answer: Tissues ✔

Option A: Carbon

Option B: Nitrogen

Option C: Hydrogen

Option D: Ammonia

Correct Answer: Carbon ✔

Option A: Anatomy

Option B: Physiology

Option C: Parasitology

Option D: Social Biology

Correct Answer: Parasitology ✔

Option A: Human Biology

Option B: Environmental Biology

Option C: Genetics

Option D: Bio-technology

Correct Answer: Bio-technology ✔

Option A: Social Biology

Option B: Marine Biology

Option C: Environmental Biology

Option D: Fresh Water Biology

Correct Answer: Marine Biology ✔

Option A: Kingdom Plantae

Option B: Kingdom Protoctista

Option C: Kingdom Monera

Option D: Kingdom Animalia

Correct Answer: Kingdom Animalia ✔

Option A: A cellular, eukaryotic organisms

Option B: Non-chlorophylls, multicellular eukaiyotlc organisms

Option C: Non-chlorophylls, multicellular,thailophytic organisms

Option D: both B and C

Correct Answer: both B and C ✔

Option A: Fungi

Option B: Prokaryotes

Option C: protists

Option D: Piantae

Correct Answer: protists ✔

Option A: Three Kingdoms

Option B: Five Kingdoms

Option C: Two Kingdoms

Option D: Six Kingdoms

Correct Answer: Five Kingdoms ✔

Option A: Latin

Option B: English

Option C: Greek

Option D: French

Correct Answer: Greek ✔

Option A: Anatomy

Option B: Biology

Option C: Geology

Option D: Zoology

Correct Answer: Biology ✔

Option A: 0°C

Option B: 4°C

Option C: 4° K

Option D: 4.8°C

Correct Answer: 4°C ✔

Option A: Thyroid

Option B: Liver

Option C: Pancreas

Option D: None of these

Correct Answer: Liver ✔

Option A: Skull

Option B: Arm

Option C: Leg

Option D: Face

Correct Answer: Leg ✔

Option A: It is a non-cellular entity

Option B: Obligate parasite

Option C: Ultramicroscopic in size

Option D: All of these

Correct Answer: All of these ✔

Option A: Cancer causing

Option B: Pneumonia causing

Option C: Emphysema

Option D: Asthma

Correct Answer: Cancer causing ✔

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 ✔

Option A: Sheep gut

Option B: Cat gut

Option C: Kangaroo gut

Option D: dog gut

Correct Answer: Sheep gut ✔

Option A: Lysosome

Option B: Mitochondria

Option C: Ribosomes

Option D: Golgi apparatus

Correct Answer: Ribosomes ✔

Option A: Nervous system

Option B: Brain

Option C: Spinal cord

Option D: All of above

Correct Answer: Nervous system ✔

Option A: Fibers

Option B: Cells

Option C: Laucane

Option D: Blood capillaries

Correct Answer: Blood capillaries ✔

Option A: cytosol

Option B: Mitochondria

Option C: Matrix

Option D: Endoplasmic reticulum

Correct Answer: cytosol ✔

Option A: Liver

Option B: Skin

Option C: Intestine

Option D: Brain

Correct Answer: Skin ✔

Option A: 12

Option B: 14

Option C: 16

Option D: 18

Correct Answer: 14 ✔

Option A: Cnidaria

Option B: Porifera

Option C: Mollusca

Option D: Nematodes

Correct Answer: Porifera ✔

Option A: Carbohydrates

Option B: Proteins

Option C: Nucleic Acid

Option D: Fats

Correct Answer: Proteins ✔

Option A: Cartilage

Option B: Charades

Option C: Charcoal

Option D: Chitin

Correct Answer: Cartilage ✔

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 ✔

Option A: Protein

Option B: carbohydrates 

Option C: Flavoprotein

Option D: lipid

Correct Answer: carbohydrates  ✔

Option A: Leave

Option B: Root

Option C: Stem

Option D: None of These

Correct Answer: Stem ✔

Option A: Blattodea

Option B: Anisoptera

Option C: Culicidae

Option D: Rhopalocera

Correct Answer: Culicidae ✔

Option A: Earthworm

Option B: Euglena 

Option C: Squids 

Option D: Star fish

Correct Answer: Squids  ✔

Option A: Asian class

Option B: English class

Option C: American class

Option D: None

Correct Answer: Asian class ✔

Option A: Glucagon

Option B: Insulin

Option C: Gastrin

Option D: TSH (Thyroid Stimulation Hormone)

Correct Answer: Insulin ✔

Option A: Specific organ

Option B: Cell membrane

Option C: Cell wall

Option D: Nuclear membrane

Correct Answer: Cell membrane ✔

Option A: Chondrology

Option B: Osteology

Option C: Mycology

Option D: Histology

Correct Answer: Osteology ✔

Option A: Alveoli

Option B: Air sacs

Option C: Parabronchi

Option D: None of these

Correct Answer: Alveoli ✔

Option A: Anaerobic respiration

Option B: Aerobic respiration

Option C: Nitrogenous respiration

Option D: Acidic respiration

Correct Answer: Aerobic respiration ✔

Option A: STH

Option B: TSH

Option C: ACTH

Option D: Thyroxin

Correct Answer: STH ✔

Option A: Alexander Fleming 

Option B: Louis Pasteur

Option C: Michal Faraday

Option D: John Loannids

Correct Answer: Alexander Fleming  ✔

Option A: Brain

Option B: Body

Option C: Liver

Option D: None of these

Correct Answer: Brain ✔

Option A: Acidic

Option B: Basic

Option C: Neutral

Option D: All of these

Correct Answer: Acidic ✔

Option A: XY

Option B: XX

Option C: XXY

Option D: XXX

Correct Answer: XX ✔

Option A: C-H

Option B: C-N

Option C: C-O

Option D: C-S

Correct Answer: C-S ✔

Option A: ecotype

Option B: Species

Option C: Genus

Option D: Order

Correct Answer: ecotype ✔

Option A: 126

Option B: 86

Option C: 92

Option D: 206

Correct Answer: 92 ✔

Option A: Brain stem

Option B: Brain base

Option C: Brain root

Option D: None of These

Correct Answer: Brain stem ✔

Option A: Basic

Option B: Acidic

Option C: Both

Option D: None of these

Correct Answer: Acidic ✔

Option A: Gram + bacteria

Option B: Gram – bacteria

Option C: Chalko Virus

Option D: Treponema palladium

Correct Answer: B. Gram – bacteria ✔

Option A: 59

Option B: 29

Option C: 78

Option D: 20

Correct Answer: 20 ✔

Option A: Pons

Option B: Cranium

Option C: Reticular formation 

Option D: Amygdala

Correct Answer: Reticular formation  ✔

Option A: Wind

Option B: Carbon

Option C: Oxygen

Option D: Energy

Correct Answer: Energy ✔

Option A: G1

Option B: S

Option C: G2

Option D: All of these

Correct Answer: G2 ✔

Option A: 8

Option B: 4

Option C: 6

Option D: None of These

Correct Answer: 6 ✔

Option A: Ecology

Option B: Cosmology

Option C: Exobiology

Option D: None of These

Correct Answer: Exobiology ✔

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 ✔

Option A: Capillaries

Option B: Lumen

Option C: Platelates

Option D: Plasma

Correct Answer: Lumen ✔

Option A: Felis

Option B: Ficus

Option C: Homo

Option D: Tigris

Correct Answer: Felis ✔

Option A: 23

Option B: 46

Option C: 0

Option D: None of These

Correct Answer: 0 ✔

Option A: Slime

Option B: Mesosomes

Option C: Capsule

Option D: Flagella

Correct Answer: Capsule ✔

Option A: Anton van Leeuwenhoek

Option B: Von Baer

Option C: Robert Hook

Option D: None of These

Correct Answer: Anton van Leeuwenhoek ✔

Option A: Medicine

Option B: Surgery

Option C: Lithotripsy

Option D: Dialysis

Correct Answer: Dialysis ✔

Option A: Trachoma

Option B: Rickets

Option C: Osteoporosis

Option D: Gum disease

Correct Answer: Trachoma ✔

Option A: 60 Times

Option B: 70 Times

Option C: 80 Times

Option D: 85 Times

Correct Answer: 80 Times ✔

Option A: Gain Water

Option B: Lose Water

Option C: Exchange gas

Option D: None of These

Correct Answer: Lose Water ✔

Option A: hepatology

Option B: hematology

Option C: mycology

Option D: None of These

Correct Answer: hepatology ✔

Option A: Psilopsida

Option B: Lycopsida

Option C: Sphenopsida

Option D: Pteropsida

Correct Answer: Lycopsida ✔

Option A: Leg

Option B: Ear

Option C: Hand

Option D: Nose

Correct Answer: Leg ✔

Option A: 2

Option B: 4

Option C: 6

Option D: 36

Correct Answer: 2 ✔

Option A: Molecular oxygen

Option B: NADP+

Option C: water

Option D: Sulfate

Correct Answer: Sulfate ✔

Option A: ATP

Option B: DNA

Option C: RNA

Option D: ADP

Correct Answer: ATP ✔

Option A: Transgene

Option B: Promoter

Option C: Enhancer

Option D: Reporter

Correct Answer: Reporter ✔

Option A: Ligase

Option B: Endonuclease

Option C: Exonuclease

Option D: Gyrase

Correct Answer: Endonuclease ✔

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 ✔

Option A: Endonuclease

Option B: Unpaired bases

Option C: Calcium ions

Option D: Free methylation

Correct Answer: Unpaired bases ✔

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 ✔

Option A: Brinjal

Option B: Tobacco

Option C: Rice

Option D: Cotton

Correct Answer: Tobacco ✔

Option A: Cell proliferation

Option B: Micropropagation

Option C: Cell defence

Option D: Cell differentiation

Correct Answer: Cell defence ✔

Option A: Adenosine deaminase deficiency

Option B: Adenosine deficiency

Option C: Growth deficiency

Option D: Adenine deficiency

Correct Answer: Adenosine deaminase deficiency ✔

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 ✔

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 ✔

Option A: Bt-cotton

Option B: Bt-brinjal

Option C: Golden rice

Option D: All

Correct Answer: All ✔

Option A: Karry Mullis

Option B: Boyer

Option C: Sanger

Option D: Cohn

Correct Answer: Karry Mullis ✔

Option A: Retrovirus

Option B: Baculovirus

Option C: Salmonella typhimurium

Option D: Rhizopus nigricans

Correct Answer: Retrovirus ✔

Option A: saccharomyces

Option B: Rhizobium

Option C: Escherichia

Option D: Mycobacterium

Correct Answer: Escherichia ✔

Option A: Gregor Mendel

Option B: Alexendar

Option C: Darewin

Option D: Louis pasture

Correct Answer: Gregor Mendel ✔

Option A: Opacity of Cornea

Option B: Opacity of lens

Option C: None

Option D: None of these

Correct Answer: Opacity of Cornea ✔

Option A: Abdominal cavity

Option B: Pericardial cavity

Option C: Buccal cavity

Option D: Thoracic cavity

Correct Answer: Thoracic cavity ✔

Option A: Mesophyll cells

Option B: Xylem Cells

Option C: Phloem Cells

Option D: Guard Cells

Correct Answer: Guard Cells ✔

Option A: hypochromia

Option B: Anisocytosis

Option C: Poikilocytosis

Option D: Polychromatophilia

Correct Answer: Anisocytosis ✔

Option A: Dextrose

Option B: Sugar

Option C: Glycogen

Option D: Starch

Correct Answer: Dextrose ✔