Practise Biology Class 9th MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Study Biology Class 9th MCQs through multiple-choice questions in General Science. This subtopic contains 178 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these Biology Class 9th MCQs 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: Biology Class 10th MCQs MCQs, Chemistry Class 10th MCQs MCQs, Chemistry Class 9th MCQs MCQs, General Science Class 10 MCQs MCQs, General Science Class 4 MCQs MCQs, General Science Class 5 MCQs MCQs, General Science Class 6 MCQs MCQs, General Science Class 7 MCQs MCQs.
Return to all General Science topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a General Science practice quiz.
Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.
انزائم کی سرگرمی کو متاثر کرنے والے تمام عوامل ہیں سوائے؟
Answer: Organic solvent
Explanation Organic solvents are not a typical factor that affects enzyme activity. In fact, many enzymes are denatured or inactivated in the presence of organic solvents. As they can disrupt the enzyme's native structure and function.
پرجاتیوں کو سائنسی نام دیئے گئے ہیں۔ _____
Answer: All
Explanation All species are given scientific names , also known as binomial nomenclature or Latin names. This system was developed by Carolus Linnaeus. It is used universally by biologists and scientists to identify and classify species.
زمین کے مختلف خطوں میں انواع کے اندر یا ان کے درمیان فرق کی ڈگری جسے _____ کہتے ہیں؟
Answer: Biodiversity
Explanation Biodiversity refers to the degree of variation within or among species. Including genetic, species, and ecosystem diversity, across different regions of the Earth.
کون سا عمل سیل کے اندر اور باہر نقل و حرکت کی اجازت دیتا ہے؟
Answer: All of these
Explanation All three processes allow movement in and out of cells: Osmosis : Movement of water molecules from high concentration to low concentration through a selectively permeable membrane. Diffusion : Random movement of molecules from high concentration to low concentration until equilibrium is reached. Active transport : Movement of molecules from low concentration to high concentration using energy (ATP) to pump molecules across the cell membrane.
الیکٹران اور پروٹون کی کمی کو _____ کہتے ہیں؟
Answer: Oxidation reaction
Explanation The loss of electrons and protons (H+ ions) is called oxidation. Oxidation is a chemical reaction that involves the loss of electrons or the addition of oxygen. Resulting in a change in the oxidation state of an atom, molecule, or ion.
دل کی دھڑکن کے ذریعے پورے جسم میں خون کے پمپنگ کو ____ کہتے ہیں؟
Answer: Heart beat
Explanation The heartbeat refers to the rhythmic pulsation of the heart that pumps blood throughout the body. It is a vital function that maintains blood circulation , supplying oxygen and nutrients to tissues and organs.
کون سے عمل میں مائٹوسس شامل ہے؟
Answer: Growth, repair and asexual reproduction
Explanation Mitosis is a type of cell division that involves the replication of a cell's DNA and the division of the cell into two daughter cells . It is essential for: Growth : Mitosis allows an organism to grow and develop by increasing the number of cells. Repair : Mitosis helps replace damaged or dead cells with new ones. Asexual reproduction : Mitosis enables asexual reproduction , where an organism produces offspring that are genetically identical to the parent.
مندرجہ ذیل میں سے عجیب کو منتخب کریں؟
Answer: Ratio
Explanation The odd one out is : Ratio Theory, Law, and Hypothesis are all related to the scientific method.
جڑوں کے بال لمبے، پتلے اور نلی نما ہوتے ہیں، یہ سطح کے رقبے کو بڑھاتے ہیں جس سے _____؟
Answer: Rate of absorption of water
Explanation Root hairs are long, thin, and tubular structures that increase the surface area of the root. It allowing for a greater rate of absorption of water and minerals from the soil.
زائلم کے ذریعے پانی کے بہاؤ کو کیا کنٹرول کرتا ہے؟
Answer: The evaporation of water from the leaves
Explanation The evaporation of water from the leaves , also known as transpiration , creates a negative pressure that pulls water up the xylem from the roots to the leaves. This process is known as the transpiration-cohesion theory.
Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.