Free Biodiversity and Variety of Life MCQs with Answers

• A. Predators
• B. Obligate Parasites
• C. Opportunistic Parasites
• D. Facultative Parasites

Explanation: Facultative parasites can survive both with and without a host.

• A. Fungi and Nematodes
• B. Fungi and Green Algae
• C. Fungi and roots of vascular plants
• D. Fungi and viruses
• E. Fungi and fungi

Explanation: Lichens involve fungi and green algae or cyanobacteria working together.

• A. Water
• B. Wind
• C. Food
• D. Man

Explanation: Fungi primarily rely on the wind to disperse their spores across large areas, allowing them to colonize new environments.

• A. Zygospore
• B. Conidia
• C. Basidiospore
• D. Ascospore

Explanation: Zygospores are diploid and form after karyogamy in Zygomycota during sexual raproduction.

• A. Two monoploid nuclei of same strain
• B. Two monoploid nuclei of different strains
• C. Two diploid nuclei
• D. One diploid and other monoploid nucleus

Explanation: In fungi "dikaryotic" refers to a stage where each hyphal cell contains two separate, genetically distinct manaploid (haploid) nuclei…

• A. Predator
• B. Saprophyte
• C. Parasite
• D. Photosynthetic

Explanation: The correct answer is that the oyster mushroom is a predator. It has developed a unique mechanism to capture and digest nematodes, which…

• A. Bryophyte
• B. Algae
• C. Fungi
• D. Angiosperm

Explanation: Reindeer moss is actually a type of lichen, which is a symbiotic relationship between a fungus and an alga or cyanobacterium.

• A. Cell wall
• B. Hyphae
• C. Chlorophyll
• D. Mycelium
• E. Spores

Explanation: Unlike plant cells, fungal cells do not have chloroplasts or chlorophyll.

• A. Mushrooms
• B. Yeast
• C. Bread mold
• D. Penicillium
• E. Penicillium Neomycin

Explanation: Yeast is the correct answer because it is used extensively in the baking industry for bread-making.

• A. Pyrophilus
• B. Prodophilus
• C. Pinophilus
• D. Prephylus

Explanation: Fungi whose growth is favoured by fire are called pyrophilous (fire-loving).

• A. Rust
• B. Mildews
• C. Armillaria
• D. None of the given options

Explanation: All three options, rust, mildew, and Armillaria, are parasitic fungi of plants; hence, the correct answer is D) None of the given options.

• A. Penicillium notatum
• B. Aspergillus
• C. Penicillium griseofulvum
• D. Claviceps purpurea

Explanation: An antifungal agent is a drug that selectively eliminates fungal pathogens.

• A. Star fish
• B. Mushrooms
• C. Algae
• D. Human

Explanation: Mushrooms are part of the division "Basidiomycota" of the kingdom Fungi.

• A. Smuts
• B. Rusts
• C. Ergots
• D. Aspergers

Explanation: Claviceps purpurea is an ergot fungus that grows on the ears of rye and related cereal and forage plants.

• A. Red rot of Sugarcane
• B. Late blight of Potato
• C. Black rot of crucifers
• D. Brown rust of wheat

Explanation: Red rot disease is caused by the fungus Glomerella tucumanensis. It produces a structure called acervuli.

• A. Conidiospores
• B. Zygospores
• C. Ascospores
• D. Basidiospores

Explanation: The two most common types of asexual reproductive spores produced by molds are, conidiospores and sporangiospores.

• A. Peptidoglycan
• B. Chitin
• C. Suberin
• D. Cutin
• E. Proteins

Explanation: Option A: Peptidoglycan: A type of polysaccharide found in the cell walls of bacteria and some archaea.

• A. Disinfectants
• B. Antibiotics
• C. Antiseptics
• D. Antigens

Explanation: Option A: Disinfectants are chemicals that kill microorganisms on surfaces.

• A. Heterotrophy
• B. Sessile
• C. Cell wall
• D. None of the above

Explanation: The correct answer is "None of these". Fungi are heterotrophic, absorbing nutrients from organic matter.

• A. Fungus
• B. Smut
• C. Bacterium
• D. Yeast

Explanation: The scientific names of the above-mentioned organisms are Fungus: Fungi, Smut: Smut Fungi(Basidiomycota), Bacteria: Different types of…