SPSC 25 YEARS PAST PAPERS 2001 TO 2026
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
سرخ مرجان کا سائنسی نام ______ ہے؟
- Hydractinia
- Corallium
- Tubipora
- None of these
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Explanation
Corallium is the scientific name for red coral.It is a marine organism known for its hard calcium carbonate skeleton.It is used in jewelry and thrives in deep-sea environments.
حیاتیاتی پرجاتیوں کا تصور ______ کے ذریعہ دیا گیا تھا؟
- Whittaker
- Mayr
- Linnaeus
- None of these
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Explanation
Ernst Mayr proposed the Biological Species Concept (BSC).He defining species as groups of interbreeding natural populations that are reproductively isolated from others.This concept emphasizes reproductive isolation as a key factor in species differentiation.
بایومولیکولس خصوصی طور پر کس نوعیت کے ہیں؟
- Monomeric
- Polymeric
- Dimeric
- All of these
- None of these
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Explanation
Biomolecules like proteins, nucleic acids, and polysaccharides are primarily polymeric.Polymeric is composed of repeating monomeric units.These macromolecules play essential roles in biological processes, including structure, function, and regulation.
سالماتی جینیات کا تعلق ______ سے ہے؟
- Molecular Biology
- Biochemistry
- Bacterial Genetics
- All of these
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Explanation
Molecular genetics studies genes at a molecular level, including DNA structure, function, and expression.It is closely related to molecular biology, biochemistry, and bacterial genetics, as all these fields explore genetic mechanisms.
یہ _______ کا ترمیم شدہ طبقہ ہے؟
- Rod
- Retina
- Pupil
- None of these
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Explanation
The retina is a modified segment of the eye.It is responsible for detecting light and converting it into neural signals.It contains rods and cones, which help in vision under different lighting conditions.
مندرجہ ذیل میں سے کون سا ذہنی عارضہ ہے؟
- Huntington Disease
- Sickle Cell Disease
- Achondroplasia
- None of these
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Explanation
Huntington's disease is a genetic neurodegenerative disorder that affects brain function.This leading to cognitive decline and movement disorders.It is caused by a mutation in the HTT gene, resulting in progressive mental and physical deterioration.
غذا، انفیکشن اور آلودگی کا خوف ______ ہے؟
- Mysophobia
- Algophobia
- Mycophibia
- None of these
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Explanation
Mysophobia is the fear of germs, infection, and contamination, leading to obsessive cleanliness.It is often associated with anxiety disorders and excessive handwashing or avoidance behaviors.
نمو ہارمون ایس ٹی ایچ کی ضرورت سے زیادہ سراو ______ پیدا کرتا ہے؟
- Acromegaly
- Gigantism
- Albino
- None of these
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Explanation
Excessive secretion of Somatotropic Hormone (STH) or growth hormone during childhood leads to abnormal height and gigantism.This condition occurs due to overstimulation of bone and tissue growth before the closure of growth plates.
مقعد لمبے لمبے جانور ______ ہیں؟
- Lizard
- Toad
- Scorpion
- None of these
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Explanation
Lizards have a post-anal tail.It extends beyond the anus.It plays a role in balance and defense.This feature is a characteristic of chordates.This distinguishing them from invertebrates like scorpions.
جین کے بہاؤ نہ ہونے والی آبادی کو _____ کہا جاتا ہے؟
- Allopatric
- Sympatric
- Isolated
- None of these
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Explanation
A population with no gene flow is considered isolated.This meaning it does not exchange genetic material with other populations.Isolation can lead to genetic divergence.It potentially resulting in speciation over time.
