Biology Class 9th MCQs MCQs - General Science Practice | PakExamPoint
Practise Biology Class 9th MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.
Biology Class 9th MCQs MCQs and revision practice
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.
توانائی کے اخراج کے لیے خوراک کے مالیکیولز کے ٹوٹنے کو ____ کہتے ہیں؟
A. Respiration
B. Mitosis
C. Photosynthesis
D. Fermentation
Check answer and explanation
Answer: Respiration
Explanation The breakdown of food molecules to release energy is called cellular respiration. This process involves breaking down glucose and other molecules in the presence of oxygen to produce energy in the form of ATP (adenosine triphosphate). Cellular respiration occurs in the mitochondria of cells.
A. Part of earth where life exists is called biosphere
B. Foundation of life based on chemicals
C. Six elements such as C, H, O, N, S and P are called basic elements of life
D. Members of different species form population
Check answer and explanation
Answer: Members of different species form population
Explanation Members of the same species form a population , not members of different species. A population is a group of individuals of the same species that live in a specific geographic area and can interbreed.
کروموسوم دھاگے کی دو جینیاتی طور پر ایک جیسی کاپیوں پر مشتمل ہوتے ہیں جنہیں ____ کہا جاتا ہے؟
A. Chromosomes
B. Chromatids
C. Chromonema
D. Chromatin
Check answer and explanation
Answer: Chromatids
Explanation Chromatids are the two genetically identical copies of a chromosome that are joined at the centromere. They are made up of chromatin and contain the same genetic information. During cell division , the chromatids separate, and each becomes a separate chromosome.
Explanation Analogous structures are features that have a similar function but different origins and structures, and are not considered in classification.
مندرجہ ذیل میں سے کون سا غیر خلوی یا خلوی جاندار ہے؟
A. Bacteria
B. Virus
C. Fungi
D. Both A and C
Check answer and explanation
Answer: Virus
Explanation Viruses are considered non-cellular or acellular organisms because they do not have cellular structure or metabolism. They are composed of genetic material (DNA or RNA) surrounded by a protein coat and require a host cell to replicate and produce new viruses.
Explanation Rana tigrina, also known as the Asian giant toad or the Indian bullfrog. It is a species of frog found in Southeast Asia and the Indian subcontinent.
فوسلز کی مدد سے دور دراز ماضی کی نامیاتی زندگی کا مطالعہ کو کیا کہا جاتا ہے؟
A. Entomology
B. Taxonomy
C. Paleontology
D. Histology
Check answer and explanation
Answer: Paleontology
Explanation Paleontology is the scientific study of fossils and ancient life forms, focusing on the history of life on Earth, evolution, and extinction. Paleontologists use fossils to reconstruct the biology, ecology, and behavior of ancient organisms.
مسلمان سائنسدان جنہوں نے بہت سی بیماریوں جیسے تپ دق، گردن توڑ بخار اور اس طرح کی دیگر سوزشوں کی نشاندہی کی وہ _____ تھا؟
A. Bu Ali Sina
B. Ibn Rushd
C. Al-Razi
D. Ibn Al-Nafs
Check answer and explanation
Answer: Bu Ali Sina
Explanation Bu Ali Sina (Avicenna), a renowned Persian physician and polymath , identified various diseases, including tuberculosis and meningitis. In his seminal work "The Canon of Medicine".
انسانی پلازما پروٹین میں درج ذیل میں سے کون سا شامل ہے؟
A. Haemoglobin
B. Both A and C
C. Albumin
D. Fibrinogen
Check answer and explanation
Answer: Both A and C
Explanation Human plasma proteins consist of: Fibrinogen (A): involved in blood clotting Albumin (C): helps regulate blood volume and transport various molecules
ایک ہی نوع سے تعلق رکھنے والے جانداروں کے مقامی گروپ کو ____ کہا جاتا ہے؟
A. Population
B. Community
C. Biosphere
D. Ecosystem
Check answer and explanation
Answer: Population
Explanation A population is a localized group of organisms that belong to the same species and live in a specific geographic area. It is a unit of evolution , and its members share a common gene pool.
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