Biology MCQs

Option A: Leeuwenhoek

Option B: Michel-Eugène Chevreul

Option C: C.W. Scheele

Option D: None of these

Correct Answer: C.W. Scheele ✔

Option A: Glucose

Option B: Monosaccharides

Option C: Starch

Option D: None of these

Correct Answer: Fiaz Ahmad Mazari ✔

Option A: Emil Fischer

Option B: Emil Fischeraf

Option C: Anselme Payen

Option D: Mandel

Correct Answer: Emil Fischer ✔

Option A: Claude Silbert Hudson

Option B: Anselme Payen

Option C: Jons jacob Berzeliis

Option D: Justus von Liebig

Correct Answer: Claude Silbert Hudson ✔

Option A: Jons Jacob Berzelius

Option B: Anselme Payen

Option C: Walter Bradford Cannon

Option D: None of these

Correct Answer: Jons Jacob Berzelius ✔

Option A: Jons Jacob Berzelius

Option B: Anselme Payen

Option C: Walter Bradford Cannon

Option D: None of these

Correct Answer: Anselme Payen ✔

Option A: Walter Bradford Cannon

Option B: Anselme Payen

Option C: Jons jacob Berzeliis

Option D: None of these

Correct Answer: Walter Bradford Cannon ✔

Option A: oocyte

Option B: oogenesis

Option C: Oviduct

Option D: None of these

Correct Answer: oogenesis ✔

Option A: staphylococcus

Option B: Mycobacterium

Option C: Streptococcus

Option D: Propionibacterium

Correct Answer: Propionibacterium ✔

Option A: Isobar

Option B: Isohel

Option C: Isochore

Option D: None of these

Correct Answer: Isohel ✔

Option A: food

Option B: mechanical support

Option C: shade

Option D: None of these

Correct Answer: mechanical support ✔

Option A: Bacteria

Option B: Fungus

Option C: Protozoan

Option D: Nematode

Correct Answer: Fungus ✔

Option A: Blue-green algae

Option B: Rhizobium sp.

Option C: Mycorrhizal fungi

Option D: None of these

Correct Answer: Blue-green algae ✔

Option A: Smallpox

Option B: Jaundice

Option C: Diabetes

Option D: None of these

Correct Answer: Smallpox ✔

Option A: B-Lymphocytes

Option B: T-lymphocytes

Option C: Both B and T lymphocytes

Option D: RBCs

Correct Answer: T-lymphocytes ✔

Option A: 2.8 Billion 

Option B: 3.7 Billion

Option C: 4.2 Billion

Option D: Infinite

Correct Answer: 2.8 Billion  ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3 ✔

Option A: 206

Option B: 300

Option C: 650

Option D: 703

Correct Answer: 650 ✔

Option A: Skeletal Muscles 

Option B: Smooth Muscles

Option C: Cardiac Muscles

Option D: All of these

Correct Answer: Skeletal Muscles  ✔

Option A: Bacteria

Option B: Virus

Option C: Cyanobacteria

Option D: Plants

Correct Answer: Virus ✔

Option A: Morgan

Option B: Darwin

Option C: Aristotle

Option D: Mendal

Correct Answer: Mendal ✔

Option A: 7

Option B: 67

Option C: 85

Option D: All

Correct Answer: 85 ✔

Option A: Multifactorial

Option B: Pleiotropic

Option C: Polygenic

Option D: Epistatic

Correct Answer: Polygenic ✔

Option A: Six

Option B: Seven

Option C: Eight

Option D: Nine

Correct Answer: Seven ✔

Option A: HAV

Option B: HIV

Option C: Rabies

Option D: Pigs

Correct Answer: HIV ✔

Option A: SsRNA

Option B: DsRNA

Option C: SsDNA

Option D: DsDNA

Correct Answer: SsRNA ✔

Option A: 6

Option B: 7

Option C: 8

Option D: 0

Correct Answer: 8 ✔

Option A: 10%

Option B: 20%

Option C: 50%

Option D: None of these

Correct Answer: 10% ✔

Option A: Gastrin

Option B: Enterokinase

Option C: Rennin

Option D: None of these

Correct Answer: Gastrin ✔

Option A: Larynx

Option B: Diaphram

Option C: Epiglottis

Option D: None of these

Correct Answer: Epiglottis ✔

Option A: Duodenum

Option B: Oesophagus

Option C: Larynx

Option D: None of these

Correct Answer: Duodenum ✔

Option A: Nucleus

Option B: Lysosomes

Option C: Chloroplast

Option D: None of these

Correct Answer: Lysosomes ✔

Option A: Cell wall

Option B: Cytoplasm

Option C: Vacuoles

Option D: Mitochondria

Correct Answer: Cell wall ✔

Option A: Cell membrane

Option B: Nucleus

Option C: Cytoplasm

Option D: None of these

Correct Answer: Nucleus ✔

Option A: Arteries

Option B: Veins

Option C: Capillaries

Option D: None of these

Correct Answer: Veins ✔

Option A: 6

Option B: 7

Option C: 8

Option D: 9

Correct Answer: 9 ✔

Option A: 1

Option B: 5

Option C: 6

Option D: None of these

Correct Answer: 5 ✔

Option A: Cell Membrane

Option B: Cell wall

Option C: Cytoplasm

Option D: Chromatin

Correct Answer: Cell wall ✔

Option A: Cerebrum

Option B: Cerebellum

Option C: Thalamus

Option D: Hypothalamus

Correct Answer: Cerebellum ✔

Option A: Pollination

Option B: Respiration

Option C: Fertilization

Option D: Asexual reproduction

Correct Answer: Fertilization ✔

Option A: pulmonary trunk

Option B: brain

Option C: aorta

Option D: None of these

Correct Answer: pulmonary trunk ✔

Option A: bony fish

Option B: sea fish

Option C: cartilaginous fish

Option D: None of these

Correct Answer: bony fish ✔

Option A: mesentron

Option B: crop

Option C: gizzard

Option D: intestine

Correct Answer: gizzard ✔

Option A: A disorder of speech

Option B: A disorder of hearing

Option C: A disorder of learning

Option D: None of the above

Correct Answer: A disorder of speech ✔

Option A: Nyctalopia

Option B: Myopia

Option C: Hyperopia

Option D: All of the above

Correct Answer: Nyctalopia ✔

Option A: Neck 

Option B: Wrist

Option C: Elbow

Option D: Brain

Correct Answer: Neck  ✔

Option A: The left parietal lobe

Option B: cerebrum

Option C: The right parietal lobe

Option D: Mid brain

Correct Answer: The left parietal lobe ✔

Option A: RBCs

Option B: Platelets

Option C: White Blood Cells

Option D: Hemoglobin

Correct Answer: White Blood Cells ✔

Option A: Leprosy

Option B: Tuberculosis

Option C: Cancer

Option D: None of the above

Correct Answer: Tuberculosis ✔

Option A: Parenchymatous

Option B: Sclerenchymatous

Option C: Chloroplast

Option D: None of the above

Correct Answer: Sclerenchymatous ✔

Option A: Cd

Option B: As

Option C: Hg

Option D: Cu

Correct Answer: As ✔

Option A: Cancer

Option B: Malaria

Option C: Typhoid

Option D: Lung Disease

Correct Answer: Cancer ✔

Option A: Tuberculosis

Option B: Polio

Option C: Leprosy

Option D: None of these

Correct Answer: Leprosy ✔

Option A: Cytoplasm

Option B: Nucleus

Option C: Mitochondria

Option D: None of the above

Correct Answer: Cytoplasm ✔

Option A: Phloem

Option B: Parenchyma

Option C: Xylem

Option D: None of the above

Correct Answer: Phloem ✔

Option A: Koch

Option B: Harvey

Option C: Hansen

Option D: Fleming

Correct Answer: Hansen ✔

Option A: Aspergillus

Option B: Penicillium

Option C: Mucus

Option D: None of the above

Correct Answer: Penicillium ✔

Option A: Vitamin-B

Option B: Nicotine

Option C: Morphine

Option D: None of the above

Correct Answer: Vitamin-B ✔

Option A: Salmonella typhi

Option B: Hepatatis

Option C: Bacillus

Option D: None of the above

Correct Answer: Salmonella typhi ✔

Option A: Ease the process of cooking

Option B: produce small amount of hydrochloric acid required for digestion

Option C: Increase the taste

Option D: None of the above

Correct Answer: produce small amount of hydrochloric acid required for digestion ✔

Option A: Kidneys

Option B: Liver

Option C: Spleen

Option D: Heart

Correct Answer: Spleen ✔

Option A: Liver

Option B: Spleen

Option C: Pancreas

Option D: None of these

Correct Answer: Spleen ✔

Option A: Stomach

Option B: Small intestine

Option C: Colon

Option D: Liver

Correct Answer: Colon ✔

Option A: Mammals

Option B: Protochordates

Option C: Reptiles

Option D: Birds

Correct Answer: Protochordates ✔

Option A: 212

Option B: 206

Option C: 300

Option D: None of these

Correct Answer: 300 ✔

Option A: DNA

Option B: RNA

Option C: Ribosomes

Option D: Cytoplasm

Correct Answer: RNA ✔

Option A: Endocrine Gland

Option B: Exocrine Gland

Option C: Digestive Gland

Option D: All of the above

Correct Answer: All of the above ✔

Option A: Vitamin A

Option B: Vitamin B

Option C: Vitamin C

Option D: Vitamin D

Correct Answer: Vitamin A ✔

Option A: Vertebral column

Option B: Rib cage

Option C: Skull

Option D: Shoulder

Correct Answer: Vertebral column ✔

Option A: Obstetrician

Option B: Gynecologist

Option C: Pediatrician

Option D: Podiatrist

Correct Answer: Obstetrician ✔

Option A: Pituitary Gland

Option B: Pineal Gland

Option C: Adrenal Gland

Option D: Parathyroid

Correct Answer: Pineal Gland ✔

Option A: In the thighs

Option B: In the brain

Option C: Near the liver

Option D: At the back of neck

Correct Answer: At the back of neck ✔

Option A: Pepsin

Option B: Ptyalin

Option C: Lactalase

Option D: Bile

Correct Answer: Ptyalin ✔

Option A: 150 Days

Option B: 120 Days

Option C: 80 Days

Option D: 100 Days

Correct Answer: 120 Days ✔

Option A: Pepsin

Option B: Hcl

Option C: Both

Option D: None

Correct Answer: Both ✔

Option A: Malaria

Option B: Cholera

Option C: Typhoid

Option D: Influenza

Correct Answer: Typhoid ✔

Option A: 1

Option B: 2

Option C: 3

Option D: 4

Correct Answer: 3 ✔

Option A: Decrease

Option B: Increase

Option C: Remain Same

Option D: Becomes zero

Correct Answer: Increase ✔

A. WBC
B. Platelets
C. RBC
D. All of the above

Submitted by: Yousuf Sanjrani

Correct Answer: A. WBC ✔

A. Hydrochloric Acid
B. Citric Acid
C. Sulphuric Acid
D. Acetic Acid

Submitted by: Yousuf Sanjrani

Correct Answer: A. Hydrochloric Acid ✔

A. Excretion
B. Circulation
C. Reproduction
D. Pollution

Submitted by: Yousuf Sanjrani

Correct Answer: A. Excretion ✔

Option A: Identified barr bodies

Option B: Detected sex linkage

Option C: Pointed out mutational changes

Option D: Gave the number of human chromosomes

Correct Answer: Gave the number of human chromosomes ✔

A  Amino acids
B. RNA
C. Nucleotides
D. Polypeptides

Submitted by: Rashid Mehmood

Correct Answer: Nucleotides ✔

Option A: Structural of gene

Option B: Functional unit of RNA

Option C: Functional unit gene

Option D: Replication unit of gene

Correct Answer: Functional unit gene ✔

A. Bands
B. Loops
C. Both bands and loops
D All of the above

Submitted by: Rashid Mehmood

Correct Answer: Both bands and loops ✔

Option A: 40 chromosomes

Option B: 20 chromosomes

Option C: 10 chromosomes

Option D: While some other will have 20

Correct Answer: While some other will have 20 ✔

Option A: 10

Option B: 12

Option C: 06

Option D: 09

Correct Answer: 06 ✔

Option A: It is dominant

Option B: It is recessive

Option C: It is adaptable

Option D: It is inheritable

Correct Answer: It is inheritable ✔

Option A: Genotype

Option B: Phenotype

Option C: Heterotype

Option D: Morphozygous

Correct Answer: Phenotype ✔

Option A: Amoeba

Option B: Bacteria

Option C: Ovum

Option D: Zygote

Correct Answer: Zygote ✔

Option A: Phloem

Option B: Xylem

Option C: Parenchyma

Option D: Collenchyma

Correct Answer: Phloem ✔

Option A: Brain

Option B: Pulmonary Artery

Option C: Aorta

Option D: Lungs

Correct Answer: Aorta ✔

Option A: Spinal cord

Option B: Cerebrum

Option C: Cerebellum

Option D: Medulla Oblongata

Correct Answer: Medulla Oblongata ✔

Option A: Alpha cells

Option B: Delta cells

Option C: Nerve cells

Option D: Beta cells

Correct Answer: Beta cells ✔

Option A: Epidermis

Option B: Adipose tissue 

Option C: Liver

Option D: Epithelium

Correct Answer: Adipose tissue  ✔

Option A: Thrombin

Option B: Fibrinogen

Option C: Heparin

Option D: Prothrombin

Correct Answer: Thrombin ✔

Option A: Inheritance

Option B: Dominance

Option C: Limiting factor

Option D: Segregation

Correct Answer: Dominance ✔

Option A: Genotype

Option B: Karyotype

Option C: Gene pool

Option D: Lethal gene

Correct Answer: Gene pool ✔

Option A: Darwin

Option B: Morgan

Option C: Mendel

Option D: De Vries

Correct Answer: Mendel ✔

Option A: It is never expressed in any condition

Option B: It is expressed only in heterozygous

Option C: It expresses its effect only in heterozygous state

Option D: It is expressed both in heterozygous and heterozygous condition

Correct Answer: It is expressed both in heterozygous and heterozygous condition ✔