Practise Botany MCQs in Everyday Science. Attempt multiple-choice questions, check answers and revise related subtopics.
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.
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کسی بھی سیل میں ہونے والی تغیر جو جراثیم کا سیل بننے کا مقدر نہیں ہے؟
Answer: Somatic mutation
Explanation A somatic mutation occurs in body cells (non-reproductive cells) and is not passed to offspring. It can lead to diseases like cancer but does not affect future generations .
کون سا درخت ہوائی جڑیں ہے؟
Answer: Banyan tree
Explanation The banyan tree produces aerial roots that grow from branches down to the soil. These roots provide additional support and help in spreading widely .
سوتی کا سائنسی نام _____ ہے؟
Answer: Gossypium hirsutum
Explanation Gossypium hirsutum is the scientific name of upland cotton , the most widely cultivated cotton species. The following table provides the botanical names for a variety of familiar plants : Wheat : Triticum aestivum Apple : Malus domestica Carrot : Daucus carota Coconut : Cocos nucifera Cucumber : Cucumis sativus Ginger : Zingiber officinale Mango : Mangifera indica Oak tree : Quercus Onion : Allium cepa Potato : Solanum tuberosum Rice : Oryza sativa Rose : Rosa Sunflower : Helianthus annuus Tomato : Solanum lycopersicum
Answer: Agrobacterium tumefaciens
Explanation Agrobacterium tumefaciens is a bacterium commonly used to introduce foreign genes into plants , creating transgenic plants lik e golden rice. It naturally transfers DNA into plant genomes.
پودوں میں سانس لینے کا عمل _____؟
Answer: Makes carbon dioxide
Explanation During respiration, plants break down glucose to release energy (ATP), producing carbon dioxide and water as byproducts. This process occurs in the mitochondria . It happens day and night.
ریت پر اگنے والے پودوں کو ______ کہا جاتا ہے؟
Answer: Psammophytes
Explanation Psammophytes are plants adapted to grow in sandy environments. They have special adaptations to survive in loose , nutrient-poor soils.
مندرجہ ذیل میں سے کون سا بیکٹیریا ہے جو تردید میں شامل ہے؟
Answer: Pseudomonas
Explanation Pseudomonas is a denitrifying bacterium that converts nitrates (NO₃⁻) into nitrogen gas (N₂), reducing soil nitrogen levels. Nitrobacter is involved in nitrification .
آسان ترین آکسیجن تیار کرنے والے حیاتیات _____ ہیں؟
Answer: Cyanobacteria
Explanation Cyanobacteria (blue-green algae) are the simplest photosynthetic organisms that produce oxygen through photosynthesis . They played a crucial role in forming Earth’s oxygen-rich atmosphere.
پلانٹ سیل نیوکلئس _____ کے ذریعہ دریافت کیا گیا تھا؟
Answer: Robert Brown
Explanation Robert Brown discovered the nucleus in plant cells. It was first described by Franz Bauer in 1804 and in more detail in 1831 by Scottish botanist Robert Brown.
برانن کا ایک کیمیائی میسنجر جو بظاہر ایک بیج کو اینڈوسپرم کو ہضم کرنے کے لئے متحرک کرتا ہے _____ ہے؟
Answer: Gibberellin
Explanation Gibberellin stimulates the production of enzymes like amylase. It breaks down stored starch in the endosperm for seed germination. It plays a crucial role in mobilizing nutrients to support seedling growth.
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