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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کلوروفیل 'اے' _____ کے سائیڈ گروپ کی طرف سے خصوصیات ہے؟
Answer: Methyl
Explanation Chlorophyll 'a' has a methyl (-CH₃) group at position C-3 of the porphyrin ring. It is the primary photosynthetic pigment in plants, algae, and cyanobacteria.
وہ پودے جو سردیوں میں اپنے پتے گراتے ہیں، انہیں کیا کہتے ہیں؟
Answer: Deciduous plants
Explanation Deciduous plants shed their leaves during winter or dry seasons. Helps reduce water loss and survive harsh conditions. Common in temperate regions. Leaves usually regrow in spring . Important for timber, fruits, and ecological balance . Last verified on 06-02-2026
جانشینی کیا ہے؟
Answer: Series of biotic communities that appear in a bare area
Explanation Succession is the natural process of gradual replacement of plant and animal communities in an ecosystem over time. It occurs in stages, leading to the establishment of a stable climax community.
فطرت کی عملی اکائی ______ ہے؟
Answer: Ecosystem
Explanation An ecosystem includes all living organisms and their interactions with the environment. It is the basic functional unit of nature , maintaining energy flow and nutrient cycling.
ایک مکمل پھول وہ پھول ہے جس میں ______ ہے؟
Answer: Calyx, corolla, androecium and gynoecium
Explanation A complete flower has all four floral whorls: calyx (sepals), corolla (petals), androecium (male parts), and gynoecium (female parts). If any one of these parts is missing, the flower is called incomplete .
Answer: n produces n
Explanation In haploid organisms or gametes , "n" represents a single set of chromosomes that remains the same during mitotic division. A haploid cell (n) produces another haploid cell (n) through mitosis.
فوٹو سسٹم میں بنیادی طور پر _____ میں واقع ہے؟
Answer: Unstacked regions of the thylakoid membrane
Explanation Photosystem I (PSI) is mainly located in the unstacked thylakoid membrane (stroma lamellae) , where it efficiently interacts with electron carriers. These regions provide space for PSI to perform cyclic and non-cyclic photophosphorylation without interference from Photosystem II (PSII).
انٹرنیشنل رائس انسٹی ٹیوٹ ______ میں ہے؟
Answer: Philippines
Explanation The International Rice Research Institute (IRRI) is located in Los Baños, Philippines. It focuses on rice research to improve crop yields and food security globally.
وہ خلیات جو جڑ کے بالوں کو تیار کرتے ہیں اسے _____ کہا جاتا ہے؟
Answer: Trichoblasts
Explanation Trichoblasts are specialized epidermal cells in plant roots that develop into root hairs. This aiding in water and nutrient absorption. Trichomes are hair-like structures found on leaves and stems .
پیری اسپرم ______ ہے؟
Answer: Surviving nucleus in the seed
Explanation Perisperm is the remnant of the nucellus that persists in some seeds and provides nutrition. It is different from the endosperm , which is formed after fertilization. It also provides nutrients to the developing embryo.
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