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Consider the following statements : 1. Some mushrooms have medicinal properties. 2. Some mushrooms have psychoactive properties. 3. Some mushrooms have insecticidal properties. 4. Some mushrooms have bioluminescent properties. How many of the above statements are correct?
Explanation
The correct answer is Option 4 (All four) because mushrooms, representing a diverse group of fungi, possess a wide array of biological and chemical attributes as described in all four statements.
- Medicinal Properties: Many mushrooms, such as Reishi (Ganoderma lucidum) and Shiitake, are used in traditional and modern medicine for their immune-boosting, anti-inflammatory, and anti-cancer properties.
- Psychoactive Properties: Certain species, popularly known as "magic mushrooms" (e.g., Psilocybe cubensis), contain compounds like psilocybin that induce hallucinogenic effects.
- Insecticidal Properties: Some fungi act as natural biopesticides. For instance, Cordyceps and certain Agaricus species produce metabolites that are toxic to specific insects.
- Bioluminescent Properties: Over 100 species of mushrooms, such as Omphalotus olearius (Jack-o'-lantern mushroom), exhibit bioluminescence, emitting a greenish light through enzymatic reactions involving luciferase.
Since documented scientific evidence exists for each category, all four statements are factually correct.
PROVENANCE & STUDY PATTERN
Guest previewThis is a 'General Awareness' question disguised as technical biology. While standard books define fungi, the specific properties (bioluminescence, insecticidal) come from nature documentaries (like 'Fantastic Fungi') or science columns. It tests your acceptance of nature's infinite diversity rather than rote memorization.
This question can be broken into the following sub-statements. Tap a statement sentence to jump into its detailed analysis.
Web source
Presence: 5/5
"Medicinal mushrooms as a source of antitumor and immunomodulatory polysaccharides; Appl. Microbiol. Biotechnol.; 60: 258-274."
Why this source?
- Explicitly identifies 'medicinal mushrooms' and links them to bioactive/therapeutic effects.
- Cites medicinal mushrooms as a source of antitumor and immunomodulatory compounds, directly supporting medicinal properties.
Web source
Presence: 5/5
""Medicinal mushrooms their therapeutic properties and current medical usage with special emphasis on cancer treatments,""
Why this source?
- Directly names a review on 'Medicinal mushrooms' and their therapeutic properties and medical usage.
- Gives examples of specific bioactive molecules (e.g., an antifungal peptide) from edible mushrooms, showing medicinal activity.
Web source
Presence: 5/5
"Immunomodulating and anticancer agents in the realm of macromycetes fungi (macrofungi);"
Why this source?
- References immunomodulating and anticancer agents found in macrofungi, indicating medicinal biochemical activity.
- Mentions clinical effects and medicinal properties of specific culinary-medicinal species (e.g., Agaricus blazei).
- Explicitly identifies 'medicinal mushrooms' and links them to bioactive/therapeutic effects.
- Cites medicinal mushrooms as a source of antitumor and immunomodulatory compounds, directly supporting medicinal properties.
- Directly names a review on 'Medicinal mushrooms' and their therapeutic properties and medical usage.
- Gives examples of specific bioactive molecules (e.g., an antifungal peptide) from edible mushrooms, showing medicinal activity.
- References immunomodulating and anticancer agents found in macrofungi, indicating medicinal biochemical activity.
- Mentions clinical effects and medicinal properties of specific culinary-medicinal species (e.g., Agaricus blazei).
Environment, Shankar IAS Acedemy .(ed 10th) > Chapter 9: Indian Biodiversity Diverse Landscape > 2. Fungi: > p. 156
Strength: 5/5
“Non-green, non-differentiated plants characterised by total absence of chlorophyll are called Fungi.
They grow either on dead, rotten organic matters as saprophytes or live as parasites on other living bodies, which are referred to as hosts.
Moulds and mushrooms are the familiar examples of saprophytic fungi. The maximum diversity of fungi is in the Western Ghats, followed by the eastern Himalaya and the western Himalaya.”
Why relevant
Defines fungi (which include mushrooms) as a distinct biological group and lists mushrooms as familiar examples of saprophytic fungi.
How to extend
A student can treat mushrooms as a biological source similar to plants/organisms that are surveyed for useful compounds and therefore ask whether some species yield medicinal compounds.
Science , class X (NCERT 2025 ed.) > Chapter 5: Life Processes > 5.2.2 Heterotrophic Nutrition > p. 84
Strength: 4/5
“Examples are fungi like bread moulds, yeast and mushrooms. Others take in whole material and break it down inside their bodies. What can be taken in and broken down depends on the body design and functioning. Some other organisms derive nutrition from plants or animals without killing them. This parasitic nutritive strategy is used by a wide variety of organisms like cuscuta (amar-bel), ticks, lice, leeches and tape-worms.”
Why relevant
Explicitly lists fungi (bread moulds, yeast, mushrooms) as examples, connecting mushrooms to other well-studied microbes/organisms.
How to extend
Knowing mushrooms are studied alongside other fungi, a student could look for known bioactive products from fungi (analogy with antibiotics from molds) to test the claim.
Science ,Class VIII . NCERT(Revised ed 2025) > Chapter 2: The Invisible Living World: Beyond Our Naked Eye > Discover, design, and debate > p. 27
Strength: 4/5
“Take the help of students from senior classes and explore the internal structure of different parts of mushrooms under the microscope/foldscope in your school laboratory.• z Interact with an entrepreneur and learn the steps for cultivation of mushroom. Reflect on the questions framed by your friends and try to answer ...”
Why relevant
Suggests practical human interaction with mushrooms (microscopic study and cultivation), implying they are of economic/biological interest.
How to extend
Because mushrooms are cultivated and examined, a student could investigate those cultivated species for traditional or modern medicinal uses.
Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 5: Natural Vegetation and National Parks > 6. Medicinal Herbs and Plants > p. 26
Strength: 4/5
“A number of medicinal plants, herbs and trees are found in Indian forests. The leaves, stems, flowers, fruits, barks, roots, and seeds of different plants and scrubs are used as raw materials for the manufacture of a number of medicines. Some of the important herbs used for medicines are aconite, Keera-jari (insect herb), celery, belladone, colocynth, sarasaparilla, jalap, leadwort, chitraka, serpentine, and liquorice. The root of serpentine is an antidote for snake and insect bite. Barks of mountain ebony, Indian oak, quinine, Spanish-cherry, bay-berry, lodh-tree, Indian-red-wood, ashoka, arjuna, and Indian barberry have medicinal value. The stem of ephedrine, white sandal-wood, catechu, and long needle-pine are also of great medicinal importance.”
Why relevant
Gives a pattern that many plant parts are used as raw materials for medicines and lists many species with medicinal roles.
How to extend
Using the general rule that diverse organisms (plants) provide medicines, a student could extend the search to other organism groups such as fungi (mushrooms) for analogous uses.
CONTEMPORARY INDIA-I ,Geography, Class IX . NCERT(Revised ed 2025) > Chapter 5: Natural Vegetation and Wildlife > MEDICINAL PLANTS > p. 43
Strength: 3/5
“Babool | : Leaves are used as a cure for eye sores. Its gum is used as a tonic. Neem | : Has high antibiotic and antibacterial properties. Tulsi | : Is used to cure cough and cold. Kachnar | : Is used to cure asthma and ulcers. The buds and roots are good for digestive problems. Identify more medicinal plants in your area. Which plants are used as medicines by local people to cure some diseases? Source : Medicinal Plants by Dr. S.K. Jain, 5th edition 1994, National Book Trust of India”
Why relevant
Provides multiple concrete examples of widely used medicinal species and their properties, illustrating the common practice of deriving medicines from non-animal organisms.
How to extend
By analogy with listed medicinal plants, a student could check ethnobotanical or pharmacological sources to see if mushrooms are similarly used in traditional/local medicine.
Defines fungi (which include mushrooms) as a distinct biological group and lists mushrooms as familiar examples of saprophytic fungi.
A student can treat mushrooms as a biological source similar to plants/organisms that are surveyed for useful compounds and therefore ask whether some species yield medicinal compounds.
Explicitly lists fungi (bread moulds, yeast, mushrooms) as examples, connecting mushrooms to other well-studied microbes/organisms.
Knowing mushrooms are studied alongside other fungi, a student could look for known bioactive products from fungi (analogy with antibiotics from molds) to test the claim.
Suggests practical human interaction with mushrooms (microscopic study and cultivation), implying they are of economic/biological interest.
Because mushrooms are cultivated and examined, a student could investigate those cultivated species for traditional or modern medicinal uses.
Gives a pattern that many plant parts are used as raw materials for medicines and lists many species with medicinal roles.
Using the general rule that diverse organisms (plants) provide medicines, a student could extend the search to other organism groups such as fungi (mushrooms) for analogous uses.
Provides multiple concrete examples of widely used medicinal species and their properties, illustrating the common practice of deriving medicines from non-animal organisms.
By analogy with listed medicinal plants, a student could check ethnobotanical or pharmacological sources to see if mushrooms are similarly used in traditional/local medicine.
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