Botany MCQs - Everyday Science Practice | PakExamPoint
Practise Botany MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Botany MCQs and revision practice
Study Botany through multiple-choice questions in Everyday Science. This subtopic contains 333 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Botany MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
Explanation Prop roots are aerial roots that grow downward from the branches of Banyan trees to provide additional support. These roots help in mechanical support and nutrient absorption as the tree expands horizontally.
ایک فنگس ایک ہی میزبان پر اپنی زندگی کے چکر کو مکمل کرتی ہے _____ کے نام سے جانا جاتا ہے؟
A. None of these
B. Heteroecious
C. Heterothallic
D. Autoecious
Check answer and explanation
Answer: Autoecious
Explanation An autoecious fungus completes its entire life cycle on a single host species. It does not require an alternate host for different stages of development.
پتوں میں چھوٹے چھید جو گیسیں اندر اور باہر لے جاتے ہیں، انہیں کیا کہتے ہیں؟
A. Stomata
B. Chloroplast
C. Stroma
D. None of these
Check answer and explanation
Answer: Stomata
Explanation Stomata are tiny pores on the surface of leaves that allow gas exchange (CO₂ in, O₂ out). They play a key role in photosynthesis and transpiration . Number per leaf: Thousands, varies by plant Last verified on 19-03-2026
Explanation Triticum aestivum is the scientific name of common wheat . It is a major staple crop grown worldwide. Used for flour, bread, and other food products. Cultivated in Rabi season in countries like Pakistan . Belongs to the Poaceae (grass) family. Last verified on 06-02-2026
غذائیت کے اضافے کے بغیر مٹی کی زرخیزی کس کو برقرار رکھنے کی وجہ سے ہے۔
A. Microbial Activity
B. Crops residue
C. None of these
D. Floods
Check answer and explanation
Answer: Microbial Activity
Explanation Soil fertility is the ability of a soil to sustain agricultural plant growth. It is maintained without addition of nutrition due to microbial activity. Microbes increase the amount of nutrients in soil available for plants.
Explanation Pneumatophores are specialized aerial roots foun d in mangrove species. In some species, these roots are pencil-sized and peg whereas in some other species , they look like a knee. These roots have numerous pores through which oxygen enters the underground tissues
ریزرو فوڈ میٹریل فلوریڈین اسٹارچ ______ میں موجود ہے؟
A. Brown algae
B. Red algae
C. None of these
D. Green algae
Check answer and explanation
Answer: Red algae
Explanation Floridean starch is the reserve food material stored in red algae (Rhodophyta). It is structurally different from starch found in plants and lacks amylose.
Explanation Prothallus is the gametophyte stage in ferns. It develops from a spore. It is haploid in nature . It produces male and female gametes. Fertilization occurs on the prothallus. Structure: It is a small, typically heart-shaped (cordate), and flat thallus.
Answer: The coiled arrangement of young fern leaves
Explanation Circinate vernation, a term in botany, describes the arrangement of young leaves in a coiled or spiralled manner, characteristic of fern fronds. This coiled structure, often resembling a crozier or fiddlehead, protects the tender growing tip of the leaf as it matures.
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