SPSC LECTURER BOTANY PAST PAPERS 2000 TO TILL DATE
Lecturer Botany Past Papers Click here
چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
فوٹو سسٹم میں بنیادی طور پر _____ میں واقع ہے؟
- Stroma of the chloroplast
- Lumen of the thylakoid membrane
- Unstacked regions of the thylakoid membrane
- None of these
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Explanation
Photosystem I (PSI) is mainly located in the unstacked thylakoid membrane (stroma lamellae), where it efficiently interacts with electron carriers.These regions provide space for PSI to perform cyclic and non-cyclic photophosphorylation without interference from Photosystem II (PSII).
ماس پروٹونیما ______ سے مشابہت رکھتا ہے؟
- Multicellular green algae
- A single-celled algae
- Cyanobacteria
- None of these
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Explanation
The protonema is the filamentous, early growth stage of mosses that develops from spores.It closely resembles multicellular green algae in structure and appearance.
کائی کے محور کا مرکز ______ کے قبضہ میں ہے؟
- Conducting tissues
- Xylem
- Phloem
- None of these
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Explanation
Mosses lack true xylem and phloem, but they have conducting tissues like hydroids (water conduction) and leptoids (food conduction).These tissues help in the transport of water and nutrients in mosses.
- Natural reservoir disease
- Pathogenic
- Disease transmitted by host
- None of these
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Explanation
A vector is an organism (like a mosquito or tick) that transmits pathogens from one host to another.Examples include mosquitoes spreading malaria and ticks spreading Lyme disease.
ایک بیکٹیریوفیج کو اس کے _____ کے ذریعہ پہچانا جاسکتا ہے؟
- Rounded shape
- Irregular shape
- Tadpole shape
- None of these
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Explanation
Bacteriophages have a distinct tadpole-like shape.It consisting of a head and a tail.The head contains genetic material.The tail helps in injecting DNA into bacteria.
- Ascomycetes
- Basidiomycetes
- Phycomycetes
- None of these
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Explanation
Yeast belongs to the Ascomycetes group.It is also known as sac fungi.It reproduces asexually by budding and sexually by forming ascospores.
البوگو کا میسیلیم ______ ہے؟
- Septate and multinucleate
- Unseptate and multinucleate
- Septate and unincleate
- None of these
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Explanation
Albugo (a fungal genus) has coenocytic (unseptate) mycelium, meaning it lacks cross-walls.It is multinucleate, meaning multiple nuclei exist within a shared cytoplasm.
تمام کوکی ہمیشہ ______ ہوتے ہیں؟
- Halophytes
- Autotrophs
- Heterotrophs
- None of these
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Explanation
Fungi cannot produce their own food as they lack chlorophyll.They obtain nutrients by decomposing organic matter or forming symbiotic relationships.
پودے جو اپنا کھانا تیار نہیں کرسکتے ہیں انہیں ______ کے نام سے جانا جاتا ہے؟
- Heterotrophs
- Halophytes
- Autotrophs
- None of these
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Explanation
Heterotrophs depend on other organisms for food as they cannot synthesize their own.Unlike autotrophs, they lack chlorophyll and cannot perform photosynthesis.
امیبا کا اخراج بنیادی طور پر ______ میں ہوتا ہے؟
- Contractile vacuole
- Vacuole
- General surface
- None of these
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Explanation
Amoeba primarily excretes waste like ammonia through diffusion across its general surface.
The contractile vacuole mainly regulates water balance.
