SPSC LECTURER ZOOLOGY PAST PAPERS 2000 TO TILL DATE
Zoology 5 years Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
جے شکل گروتھ کَرْو درج ذیل میں سے کن چیزوں سے وابستہ ہوتا ہے؟
- Exponential growth
- Biotic potential
- Unlimited resources
- All of these
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Explanation
- A J-shaped growth curve represents exponential population growth.
- It occurs when resources are unlimited.
- Organisms reproduce at their biotic potential.
- Growth continues rapidly without environmental resistance.
Last verified on 04-06-2026
شہتوت کے سلک کیڑا ______ ہے؟
- Anthraea mylitta
- Bombyx mori
- Attacus atlas
- None of these
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Explanation
- Bombyx mori, which is the scientific name for the Mulberry silkworm.
- This species is widely cultivated for its silk production.
- It is often referred to as the "Domesticated silkworm" or simply "Silkworm".
Last verified on 04-06-2026
- Acidic
- Alkaline
- Variable
- Neutral
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Explanation
- Blood in humans is slightly alkaline in nature.
- Its normal pH ranges from 7.35 to 7.45.
- This balance is important for proper body functions.
- Even small changes in pH can affect health.
Last verified on 04-06-2026
وہ فلیمینٹس جو خلیے کے اندر آرگنیلز کو حرکت دینے میں مہارت رکھتے ہیں، کون سے ہیں؟
- Microfilaments
- Intermediate filaments
- Actin
- Microtubules
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Explanation
- Microtubules are cytoskeletal filaments responsible for movement inside cells.
- They help in transporting organelles within the cell.
- They also play a key role in cell division.
- They act as “tracks” for intracellular movement.
Last verified on 04-06-2026
مندرجہ ذیل میں سے کون سا جوڑا درست مطابقت نہیں رکھتا؟
- Coral snake
- Glass snake
- Sea snake
- Rattle snake
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Explanation
- Glass snake is actually not a true snake.
- It is a legless lizard that resembles a snake.
- Coral snake → True snake
- Sea snake → True snake
- Rattlesnake → True snake
Last verified on 04-06-2026
سب سے پہلے فروٹ فلائی میں ایکس رے شعاعوں کے ذریعے میوٹیشنز کس نے پیدا کیں؟
- De Vries
- H.J.Muller
- Morgan
- Bateson
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Explanation
- H. J. Muller was the first scientist to induce mutations using X-rays in fruit flies (Drosophila).
- His groundbreaking experiments were conducted in 1927.
- He demonstrated that X-rays can cause genetic changes (mutations).
- This discovery greatly advanced the field of genetics.
Last verified on 04-06-2026
جب خلیات مخصوص بن جاتے ہیں تو وہ کیا کرتے ہیں؟
- Develop similarly
- Transcribe different genes
- Contain different genes
- None of these
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Explanation
- Cell specialization (differentiation) occurs when cells perform specific functions.
- Specialized cells have the same DNA but use different genes.
- Different genes are turned on or off according to the cell's role.
- This process allows the formation of tissues and organs.
Last verified on 04-06-2026
خواتین کے جسمانی خلیات کے انٹرفیز نیوکلیئس میں پائی جانے والی گہرے رنگ کی جسمانی ساخت کو کیا کہتے ہیں؟
- Fission
- Barr body
- Centriole
- Centromere
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Explanation
- A Barr body is a densely staining structure found in the nuclei of female somatic cells.
- It represents an inactive X chromosome.
- It is visible during the interphase stage of the cell cycle.
- It helps in dosage compensation between males and females.
Last verified on 04-06-2026
- Trustworthy
- To be honest in any business deal
- Honest
- All of these
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Explanation
- Above Board means ایماندار یا قابل اعتماد شخص
- "Above board" means being honest and transparent in one's dealings, without hiding any intentions.
- It refers to someone who is trustworthy and fair in their actions.
Last verified on 04-06-2026
- Stoic
- Sadist
- Psychiatrist
- Aristocrat
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Explanation
- A stoic is a person who remains calm and unaffected by pain, pleasure, or emotions.
- Stoicism is a philosophy that teaches self-control and endurance.
- Such people face difficulties without excessive complaint or excitement.
- The term originates from ancient Greek philosophy.
Last verified on 04-06-2026
