Biology MCQs

Option A: Zygomycota

Option B: Ascomycota

Option C: Basidiomycota

Option D: Deuteromycota

Correct Answer: Ascomycota ✔

Option A: Mycorrizael association

Option B: Endomycorrhizae

Option C: Ectomycorrhizae

Option D: Lichen

Correct Answer: Endomycorrhizae ✔

Option A: 30%

Option B: 40%

Option C: 50%

Option D: 60%

Correct Answer: 50% ✔

Option A: Stem like

Option B: Branching

Option C: Leaf like

Option D: Crust like

Correct Answer: Leaf like ✔

Option A: Autotrophs

Option B: Roots of vascular plants

Option C: Green algae and cyanobacterium

Option D: Leguminous plants

Correct Answer: Green algae and cyanobacterium ✔

Option A: Pin warms

Option B: Tape worms

Option C: Round worms

Option D: Platehelminthes

Correct Answer: Round worms ✔

Option A: Saprotrophs

Option B: Parasitic

Option C: Predators

Option D: Mutualistics

Correct Answer: Saprotrophs ✔

Option A: Parasitic fungi

Option B: Obligate parasitic fungi

Option C: Facultative parasitic fungi

Option D: All of these

Correct Answer: Obligate parasitic fungi ✔

Option A: Spores

Option B: Conidia

Option C: Budding

Option D: Fragmentation

Correct Answer: Conidia ✔

Option A: Rhizodis

Option B: Haustoria

Option C: Hyphae

Option D: Constricting rings

Correct Answer: Rhizodis ✔

Option A: 100

Option B: 200

Option C: 3000

Option D: 4000

Correct Answer: 200 ✔

Option A: Parasitic fungi

Option B: Predators

Option C: Mutualists

Option D: Decomposers

Correct Answer: Decomposers ✔

Option A: Rusts

Option B: Mushrooms

Option C: Molds

Option D: Yeasts

Correct Answer: Yeasts ✔

Option A: Edible mushrooms

Option B: Poisonous mushrooms

Option C: Both of these

Option D: None of these

Correct Answer: Poisonous mushrooms ✔

Option A: Mushrooms morels and truffles

Option B: Rusts smuts and molds

Option C: Penicillium

Option D: All of these

Correct Answer: Rusts smuts and molds ✔

Option A: 10000

Option B: 100000

Option C: 10000000

Option D: 1000

Correct Answer: 10000 ✔

Option A: Gizzard

Option B: Crop

Option C: Hepatic caeca

Option D: Rectum

Correct Answer: Crop ✔

Option A: Antiperistalsis

Option B: Peristalsis

Option C: Voluntary

Option D: None of these

Correct Answer: Peristalsis ✔

Option A: Hepatic caeca

Option B: Gizzard

Option C: Stomach

Option D: Rectum

Correct Answer: Stomach ✔

Option A: Pyrolysis

Option B: Pyrosis

Option C: Peristalsis

Option D: Dyspepsia

Correct Answer: Pyrosis ✔

Option A: Digestive tract

Option B: Intestinal caeca

Option C: Hepatic caeca

Option D: Both B & C

Correct Answer: Intestinal caeca ✔

Option A: Obligate

Option B: Strict

Option C: Facultative

Option D: Endoparasite

Correct Answer: Facultative ✔

Option A: Creatin

Option B: Gastrin

Option C: Secretin

Option D: Pepsin

Correct Answer: Secretin ✔

Option A: Fluid

Option B: Macrophagous

Option C: Fluid

Option D: All of these

Correct Answer: Macrophagous ✔

Option A: Duodenum

Option B: Jejunum

Option C: Ileum

Option D: Caecum

Correct Answer: Jejunum ✔

Option A: Fluid

Option B: Macrophagous

Option C: Filter

Option D: None of these

Correct Answer: Filter ✔

Option A: Premolars

Option B: Canines

Option C: Incisors

Option D: Molars.

Correct Answer: Canines ✔

Option A: 2

Option B: 3

Option C: 1

Option D: 4

Correct Answer: 2 ✔

Option A: Saraccnia

Option B: Dionaea

Option C: Pitcher plant

Option D: None of these

Correct Answer: Dionaea ✔

Option A: Obesity

Option B: Dyspepsia

Option C: Anorexia nervous

Option D: Bulimia nervosa

Correct Answer: Dyspepsia ✔

Option A: Animals

Option B: Bacteria

Option C: Plants

Option D: Fungi

Correct Answer: Animals ✔

Option A: Heterotrophs

Option B: Autotrophes

Option C: Carnivores

Option D: Saprotrophs

Correct Answer: Autotrophes ✔

Option A: Detritus

Option B: Fluid

Option C: Macrophageus

Option D: Filter

Correct Answer: Detritus ✔

Option A: Anaerobic

Option B: Nitrogen fixing

Option C: Nitrifying

Option D: Ammonifying

Correct Answer: Nitrogen fixing ✔

Option A: Corn

Option B: Tomato

Option C: Dodder

Option D: Wheat

Correct Answer: Wheat ✔

Option A: Azobacter

Option B: Nitrosomonas

Option C: Campylobacter

Option D: Nitrobacter

Correct Answer: Campylobacter ✔

Option A: Campylobacter

Option B: Nitrobacter

Option C: Azobacter

Option D: Salmonella

Correct Answer: Salmonella ✔

Option A: Potassium

Option B: Magnesium

Option C: Phosphorus

Option D: Iron.

Correct Answer: Phosphorus ✔

Option A: Magnesium

Option B: Nitrogen

Option C: Potassium

Option D: Phosphorus

Correct Answer: Nitrogen ✔

Option A: Anorexia nervosa

Option B: Bulimia nervosa

Option C: Piles

Option D: Dyspepsia

Correct Answer: Anorexia nervosa ✔

Option A: Organic

Option B: Inorganic

Option C: Wet

Option D: Terrestrial

Correct Answer: Inorganic ✔

Option A: Bulimia nervosa

Option B: Obesity

Option C: Anorexia nervosa

Option D: None of these

Correct Answer: Anorexia nervosa ✔

Option A: Plant

Option B: Fungus

Option C: Animal

Option D: Algae

Correct Answer: Fungus ✔

Option A: Bulimia

Option B: Ulcer

Option C: Adipose tissue

Option D: Hemorrhoids

Correct Answer: Hemorrhoids ✔

Option A: Stunted growth & strong chlorosis

Option B: No electron transport chains

Option C: Premature death of leaves

Option D: Stunted growth of roots

Correct Answer: Premature death of leaves ✔

Option A: Teeth

Option B: Tongue

Option C: Smooth muscles

Option D: All of these

Correct Answer: Teeth ✔

Option A: Nitrogen

Option B: Magnesium

Option C: Iron

Option D: Both A and B

Correct Answer: Both A and B ✔

Option A: Cytochromes

Option B: ATP

Option C: Chlorophyll

Option D: Haemoglobin

Correct Answer: Chlorophyll ✔

Option A: Amino peptidase

Option B: Erypsin

Option C: Pepsin

Option D: Trypsin

Correct Answer: Erypsin ✔

Option A: Metabolic processes of an organism

Option B: Providing energy

Option C: Formation of sturctures

Option D: All of these

Correct Answer: All of these ✔

Option A: Mucous cells

Option B: Parietal cells

Option C: Zymogen cells

Option D: All of these

Correct Answer: Zymogen cells ✔

Option A: Replicated

Option B: Turn off by the protein coat.

Option C: Digested into its nucleotides

Option D: Turned on by the removal of the protein coat

Correct Answer: Digested into its nucleotides ✔

Option A: Influenza virus

Option B: Herpes virus

Option C: HBV

Option D: Pox virus

Correct Answer: Influenza virus ✔

Option A: Prophage

Option B: Capsid

Option C: Viron

Option D: Retrovirus

Correct Answer: Prophage ✔

Option A: Joins the bacterial chromosomes

Option B: Attaches to the inner surface of the host membrane

Option C: Is immediately degraded when enters the host

Option D: Goes directly to host ribosomes for translation

Correct Answer: Joins the bacterial chromosomes ✔

Option A: Spherical

Option B: Rod Shaped

Option C: Tadpole like

Option D: Hexagonal

Correct Answer: Rod Shaped ✔

Option A: Absorption

Option B: Multiplication

Option C: Lysogeny

Option D: Penetration

Correct Answer: Penetration ✔

Option A: Measles

Option B: Herpes simplex

Option C: Hepatitis

Option D: Polio

Correct Answer: Polio ✔

Option A: Lysis

Option B: Lysogeny

Option C: Induction

Option D: Adsorption

Correct Answer: Induction ✔

Option A: DNAase

Option B: RNAase

Option C: DNA polymerase

Option D: Reverse Transcriptase

Correct Answer: Reverse Transcriptase ✔

Option A: Phage when gets incorporated with the bacterial chromosome is called prophage

Option B: The bacterium continues to live and reproduce normally

Option C: Lysogenic bacteria may get infected by the related phage

Option D: The cycle may convert into lytic type resulting from environmental exposure

Correct Answer: Lysogenic bacteria may get infected by the related phage ✔

Option A: Hepatitis virus

Option B: Retrovirus

Option C: Polio virus

Option D: Pox virus

Correct Answer: Retrovirus ✔

Option A: Bacteria

Option B: Cowpox Virus

Option C: Adenovirus

Option D: Prion

Correct Answer: Prion ✔

Option A: Hepatitis virus

Option B: Retrovirus

Option C: Polio virus

Option D: Pox virus

Correct Answer: Polio virus ✔

Option A: Separates in to two inner parts

Option B: Can not metabolize

Option C: Rapidly looses its Genome chemical inert

Option D: Is coated with an air tight shield

Correct Answer: Can not metabolize ✔

Option A: Polio

Option B: Hepatitis

Option C: AIDS

Option D: HIV

Correct Answer: AIDS ✔

Option A: M type

Option B: N type

Option C: T type

Option D: S type

Correct Answer: T type ✔

Option A: is a host specific disease

Option B: An infected mother cannot pass the virus to her baby.

Option C: Results in enlargement of lymph nodes

Option D: Can be prevented.

Correct Answer: An infected mother cannot pass the virus to her baby. ✔

Option A: Strong covalent bond between virion and the receptor site.

Option B: Week chemical unior between them

Option C: Both A and B depending upon the phage

Option D: None of these

Correct Answer: Week chemical unior between them ✔

Option A: Serum

Option B: Faeco-oral

Option C: Sexual contact

Option D: All of these

Correct Answer: Faeco-oral ✔

Option A: Surrounded by genome

Option B: Surrounding genome

Option C: Surrounding the envelope

Option D: Both B and C

Correct Answer: Surrounding genome ✔

Option A: HAV

Option B: HBV

Option C: HCV

Option D: HEV

Correct Answer: HCV ✔

Option A: HAV

Option B: HBV

Option C: HCV

Option D: HEV

Correct Answer: HCV ✔

Option A: Virus

Option B: Viral protein

Option C: Viral lysozyme

Option D: Viral gene

Correct Answer: Virus ✔

Option A: We can not grow them in laboratories on artificial medias

Option B: They are obligate intracellular parasite.

Option C: They can synthesize their nucleic acid

Option D: They are resistant to most of antibiotic treatment

Correct Answer: They can synthesize their nucleic acid ✔

Option A: 100

Option B: 152

Option C: 162

Option D: 172

Correct Answer: 162 ✔

Option A: Charles Chamberland

Option B: Ivanowski

Option C: Twort

Option D: D Herelle

Correct Answer: D Herelle ✔

Option A: Louis Pasteur

Option B: Edward Jennar

Option C: Ivanowski

Option D: Stanely

Correct Answer: Edward Jennar ✔

Option A: Tropical rain forest

Option B: Tundra

Option C: Grass land

Option D: Desert

Correct Answer: Desert ✔

Option A: 10 – 100 times

Option B: 10 – 1000 times

Option C: 100 – 1000 times

Option D: 1000 – 10000 times

Correct Answer: B. 10 – 1000 times ✔

Option A: 25%

Option B: 10%

Option C: 5%

Option D: 1%

Correct Answer: 1% ✔

Option A: 10 nm

Option B: 20 nm

Option C: 30 nm

Option D: 40 nm

Correct Answer: 20 nm ✔

Option A: Sweet fluid

Option B: Sore Fluid

Option C: Poisonous Fluid

Option D: Salty Fluid

Correct Answer: Poisonous Fluid ✔

Option A: Cytohrome c

Option B: Cytochrome a

Option C: Cytochrome a3

Option D: Cytochrome b

Correct Answer: Cytohrome c ✔

Option A: Ecosystem

Option B: Community

Option C: Habitat

Option D: Niche

Correct Answer: Niche ✔

Option A: Prokaryotae

Option B: Plantae

Option C: Monera

Option D: Protista

Correct Answer: Protista ✔

Option A: Phylum

Option B: Family

Option C: Genus

Option D: Order

Correct Answer: Genus ✔

Option A: Protoctista

Option B: Prokaryotae

Option C: Archae

Option D: None of these

Correct Answer: Prokaryotae ✔

Option A: Rhizobium and leguminous plants

Option B: Marchantia sporophyte and gametophyte

Option C: Algae and fungi in a lichen

Option D: Mycorrhizal fungi and tree roots

Correct Answer: Marchantia sporophyte and gametophyte ✔

Option A: Secondary consumers

Option B: Herbivores

Option C: Carnivores

Option D: Decomposers

Correct Answer: Herbivores ✔

Option A: Protein

Option B: Carbohydrate

Option C: Lipid

Option D: DNA

Correct Answer: Protein ✔

Option A: Nitrobacter

Option B: Nitrosomonas

Option C: Rhizohium

Option D: All of these

Correct Answer: Rhizohium ✔

Option A: Prokaryotae

Option B: Protoctista

Option C: Plantae

Option D: Fungi

Correct Answer: Fungi ✔

Option A: Autotroph

Option B: Heterotroph

Option C: Parasite

Option D: Saprophyte

Correct Answer: Heterotroph ✔

Option A: million

Option B: 1 million

Option C: 1

Option D: 2 million

Correct Answer: 1 ✔

Option A: Limmnetic zone

Option B: Littoral zone

Option C: Profundal zone

Option D: None of these

Correct Answer: Littoral zone ✔

Option A: Autotrophs

Option B: Heterotrophs

Option C: Pro-cariotique

Option D: Eu-cariotique

Correct Answer: Pro-cariotique ✔

Option A: Vitamin B and C

Option B: Vitamin B and D

Option C: Vitamin C and B

Option D: Vitamin A and B

Correct Answer: Vitamin C and B ✔

Option A: Gills

Option B: Eustachian tube

Option C: Middle ear

Option D: Lungs

Correct Answer: Eustachian tube ✔

Option A: Onion

Option B: Amaltas

Option C: Potato

Option D: Tomato

Correct Answer: Potato ✔