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۔
تمام یوکرائٹس کے پاس خلیے ہوتے ہیں جس میں ______ ہوتا ہے؟
DNA
RNA
Sugar
None of these
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Explanation
All eukaryotic cells have a membrane-bound nucleus that contains DNA . DNA stores genetic information . This DNA controls cellular functions . It is passed on during cell division.
ایللیس کی تعدد میں تبدیلی کیا وقت کے ساتھ ساتھ آبادی کو _______ کہا جاتا ہے؟
Evolution
Microevolution
Mega-evolution
None of these
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Explanation
Microevolution refers to small-scale changes in allele frequencies within a population over time due to mutation, selection, gene flow, or genetic drift. It occurs over short generations . It is the basis for evolutionary processes.
پورے حیاتیات اور اس کے حصوں کی ساخت کا مطالعہ _______ کہا جاتا ہے؟
Ecology
Anatomy
Cytology
None of these
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Explanation
Anatomy is the study of the structure of an entire organism and its parts, including organs, tissues, and systems. It is divided into gross anatomy (visible structures) and microscopic anatomy (cells and tissues).
زیادہ تر عام کیڑے مار دوا ______ اکثر استعمال ہوتے ہیں؟
Craganochlorines
Organophosphates
Olegins
None of these
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Explanation
Organophosphates are the most commonly used pesticides. It affecting the nervous system of pests by inhibiting acetylcholinesterase. They are widely used in agriculture but can be toxic to humans and wildlife.
پیراسیٹائڈ جو کسی دوسرے پرجیوی کو بطور میزبان ______ کھاتا ہے؟
Ectoparasite
Endoparasitoid
Hyperparasitoid
None of these
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Explanation
A hyperparasitoid is a parasitoid that uses another parasitoid as its host. This forming a multi-level parasitic relationship. This occurs in insect species where secondary parasitoids attack primary parasitoids.
رابڈیٹائڈ لاروا _______ میں پایا جاتا ہے؟
Life cycle of liverfluke
Life cycle of tapeworm
Life cycle of ascaris
None of these
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Explanation
Rhabditoid larva is an early larval stage found in the life cycle of Ascaris lumbricoides , a parasitic roundworm. It plays a crucial role in the development and infection process of the parasite in its host.
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.
