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.

Continue your revision with related topics: 100 Most Repeated MCQs of EDS PDF MCQs, Alloy MCQs, Atmosphere MCQs, Basics of Every Day Science EDS MCQs, Biology MCQs, Branch of Science MCQs, Cell MCQs, Chemistry MCQs.

Return to all Everyday Science topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a Everyday Science practice quiz.

Botany: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

311. Tyloses are:

Check answer and explanation

Answer: Structures in xylem vessels (Correct)

Explanation Tyloses are outgrowths from xylem parenchyma cells They grow into the lumen of tracheary cells through pits, balloon out, and occlude the cell interior. Tyloses are typically associated with the process of defense against pathogens They are commonly found in the xylem of certain trees and plants.

312. The water available for plant roots is called _____?

پودوں کی جڑوں کے لیے دستیاب پانی کو کیا کہتے ہیں؟

Check answer and explanation

Answer: Capillary water

Explanation Water in soil exists in three forms: capillary, gravitational, hygroscopic . Capillary water is held in small soil pores and is available for plant roots. Capillary water is crucial for plant growth and nutrient transport. Last verified on 04-02-2026

313. The absorption maxima of chlorophyll a molecule present in PSII ______?

Check answer and explanation

Answer: 680 nm

Explanation In Photosystem II (PSII), chlorophyll a is present in the reaction center called P680 . P680 absorbs light most efficiently at 680 nm , which lies in the red region of the visible spectrum .

314. Major energy producing group of a terrestrial ecosystem, is comprised of ______?

ایک پرتویش ماحولیاتی نظام کا اہم توانائی پیدا کرنے والا گروپ ، ______ پر مشتمل ہے؟

Check answer and explanation

Answer: Plants

Explanation In terrestrial ecosystems, plants are the main producers that convert sunlight into energy via photosynthesis . They form the base of the food chain and support all other life forms .

315. A strophiole is usually present in the seeds of the members of _____?

عام طور پر _____ کے ممبروں کے بیجوں میں ایک اسٹروفیول موجود ہوتا ہے؟

Check answer and explanation

Answer: Fabaceae

Explanation A strophiole is a small outgrowth near the hilum of a seed. It often aiding in dispersal . It is commonly found in the seeds of Fabaceae (Legume family) , such as peas and beans.

316. In mitochondrial electron transport chain, the oxidation of complex III and reduction of complex IV is mediated by ______?

مائٹوکونڈریل الیکٹران ٹرانسپورٹ چین میں ، پیچیدہ تھری کا آکسیکرن اور پیچیدہ فور کی کمی ______ کے ذریعہ ثالثی کی جاتی ہے؟

Check answer and explanation

Answer: Cytochrome-c

Explanation In the mitochondrial electron transport chain , the oxidation of complex III and reduction of complex IV is mediated by cytochrome-c. Cytochrome-c acts as a mobile electron carrier between these complexes.

317. What is the name of the process by which a eukaryotic cell engulf very large particles, or even entire foreign cells?

اس عمل کا کیا نام ہے جس کے ذریعہ ایک یوکریوٹک سیل بہت بڑے ذرات ، یا اس سے بھی پورے غیر ملکی خلیوں کو گھیرے میں لے جاتا ہے؟

Check answer and explanation

Answer: Exocytosis

Explanation Endocytosis is the process where a eukaryotic cell engulfs large particles or entire cells. It includes phagocytosis (solid particles) and pinocytosis (liquids).

318. Which of the following is the type of fertilization in Gymnosperms?

جمناسپرم میں مندرجہ ذیل میں سے کون سا فرٹلائجیشن ہے؟

Check answer and explanation

Answer: Porogamous

Explanation Porogamy is the common type of fertilization in gymnosperms, where the pollen tube enters the ovule through the micropyle. This process ensures the direct delivery of male gametes to the egg for fertilization.

319. A plant disease caused by bacteria is called ______?

پودوں کی بیماری جو بیکٹیریا کی وجہ سے ہوتی ہے اسے کیا کہتے ہیں؟

Check answer and explanation

Answer: Crown gall

Explanation Crown gall is a bacterial disease caused by Agrobacterium tumefaciens . It produces tumor-like growths (galls) on roots, stems, and crowns of plants . Commonly affects fruit trees, grapes, and ornamental plants . Last verified on 11-02-2026

320. Plants growing under the canopy of trees (less light)?

Check answer and explanation

Answer: Sciophytes / Shade plants

Explanation Sciophytes are plants that last or thrive bes t at low light intensity. These plants have larger photosynthetic units tha n solar plants or heliophytes . They are shade-loving trees and plants.

Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.