Biology Class 10th MCQs MCQs - General Science Practice | PakExamPoint

Practise Biology Class 10th MCQs MCQs in General Science. Attempt multiple-choice questions, check answers and revise related subtopics.

Biology Class 10th MCQs MCQs and revision practice

Study Biology Class 10th MCQs through multiple-choice questions in General Science. This subtopic contains 92 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Biology Class 10th 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 9th 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.

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Biology Class 10th MCQs: 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.

1. Plants do exchange of gases through ______?

پودے ______ کے ذریعے گیسوں کا تبادلہ کرتے ہیں؟

Check answer and explanation

Answer: All of these

Explanation Plants exchange gases through: Roots : absorb oxygen and release carbon dioxide through small openings called root hairs Stomata (singular: stoma): tiny openings on leaf surfaces that allow for gas exchange (CO2 in, O2 out) Stem : some plants have aerial roots or stem cuticles that allow for gas exchange

2. An area where community interacts with non-living environment is called?

وہ علاقہ جہاں کمیونٹی غیر جاندار ماحول سے تعامل کرتی ہے ____ کہلاتا ہے؟

Check answer and explanation

Answer: Ecosystem

Explanation An ecosystem is a specific area where living organisms (the community) interact with each other and their non-living environment (such as water, air, soil, sunlight, and temperature). It's a self-contained system where living and non-living components work together to create a functional unit.

3. Process where nitrogenous compound of living organism convert into nitrates is called?

وہ عمل جہاں جانداروں کا نائٹروجن مرکب نائٹریٹ میں تبدیل ہوتا ہے ____ کہلاتا ہے؟

Check answer and explanation

Answer: Nitrification

Explanation Nitrification is the process by which nitrogenous compounds in living organisms, such as ammonia (NH3), are converted into nitrates (NO3-) by microorganisms like bacteria. This process occurs in soil, water, and the gut of animals, and is an essential step in the nitrogen cycle.

4. If both the parents donate same factors of a character is called _____?

اگر والدین دونوں ایک کردار کے ایک جیسے عوامل عطیہ کریں تو _____ کہلاتا ہے؟

Check answer and explanation

Answer: Homozygous

Explanation Homozygous refers to the state where an individual inherits two identical copies of a gene (one from each parent) that code for the same trait or characteristic.

5. The male gonads in rabbit are ______?

خرگوش میں نر گوناڈز ______ ہیں؟

Check answer and explanation

Answer: Testis

Explanation The male gonads in rabbits, as in all mammals , are the testes (singular: testis). The testes are responsible for producing sperm and testosterone.

6. Softening and weakening of bone in children due to deficiency of vitamin D called ______?

وٹامن ڈی کی کمی کی وجہ سے بچوں میں ہڈیوں کا نرم ہونا اور کمزور ہونا ______ کہلاتا ہے؟

Check answer and explanation

Answer: Rickets

Explanation Rickets is a condition that affects children , causing softening and weakening of bones due to a deficiency of vitamin D, calcium, or phosphorus. This leads to bowed legs, stunted growth , and other skeletal deformities.

7. Extra circular DNA which use as vector of gene is ____?

ایکسٹرا سرکلر ڈی این اے جو جین کے ویکٹر کے طور پر استعمال ہوتا ہے ____ ہے؟

Check answer and explanation

Answer: Plasmid

Explanation A plasmid is a small, extrachromosomal, circular DNA molecule that is commonly used as a vector in genetic engineering and molecular biology. Plasmids are capable of replicating independently of the host cell's genome and can carry genes of interest. It making them useful for gene cloning , expression, and transfer.

8. The large muscles of arm is ______?

بازو کے بڑے عضلات ______ ہے؟

Check answer and explanation

Answer: Tricep

Explanation The tricep brachii is a large muscle in the back of the upper arm, responsible for extending (straightening) the elbow joint. It has three heads (hence the name "tricep") , which originate from the scapula and humerus bones.

9. Most of the living things use O2 to produce ______?

زیادہ تر جاندار ______ پیدا کرنے کے لیے آکسیجن کا استعمال کرتے ہیں؟

Check answer and explanation

Answer: ATP

Explanation Most living things, including animals, plants , and microorganisms, use oxygen (O2) to produce ATP through cellular respiration. ATP is the primary energy currency of the cell , and it's essential for various biological processes like muscle contraction, nerve impulses, and biosynthesis.

10. The internal condition of an organism is referred as ______?

کسی جاندار کی اندرونی حالت کو ______ کہا جاتا ہے؟

Check answer and explanation

Answer: Internal environment

Explanation The internal environment, also known as the "milieu intérieur," refers to the conditions within an organism's body. Such as temperature, pH, and concentration of essential nutrients and waste products.

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