BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
مندرجہ ذیل میں سے سبھی بیماریاں ہیں جو بیکٹیریا کی وجہ سے ہیں سوائے _____؟
Ringworm
Pneumonia
Typhoid
None of these
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Explanation
Ringworm is a fungal infection , not caused by bacteria .
Pneumonia, Typhoid, and Cholera are bacterial diseases.
حیاتیات جن کے جینوں میں ترمیم کی جاتی ہے اسے کیا کہتے ہیں؟
FC organisms
OP organisms
TB organisms
GM organisms
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Explanation
Genetically Modified (GM) organisms have their DNA altered for desired traits .
They are used in agriculture, medicine, and research.
گلوبل وارمنگ یا آب و ہوا کی تبدیلی ____ کا سبب بن سکتی ہے؟
Extreme weather conditions
Rising sea levels
Loss of biodiversity
All of these
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Explanation
Rising temperatures lead to melting glaciers, causing sea levels to rise . Extreme weather events like hurricanes, heatwaves, and droughts become more frequent.
Ecosystems are disrupted, leading to the extinction of species.
کون سا عضو ہاضمہ انزائم بنانے میں مدد کرتا ہے؟
Stomach
Pancreas
Liver
None of these
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Explanation
The pancreas is the enzyme “ powerhouse ” of digestion .
It produces the most important digestive enzymes,
which are those that break down carbohydrates, proteins, and fats.
the pancreas creates natural juices called pancreatic enzymes to break down foods.
ریڑھ کی ہڈی کے اعصاب کی کتنی تعداد جو ریڑھ کی ہڈی سے نکلتی ہے؟
24 nerves
40 nerves
62 nerves
None of these
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Explanation
There are 31 pairs of spinal nerves ( 62 nerves ) that originate from the spinal cord. These include 8 cervical, 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal nerve pairs.
لیموں کس وٹامن کا اچھا ذریعہ ہے؟
D
C
A
E
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Explanation
Lemons are a good source of vitamin C.
It is a powerful antioxidant that supports immunity.
They helps the body absorb iron , and protect cells from damage.
Nervous
Reproductory
Digestive
Respiratory
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Explanation
The gallbladder is part of your digestive system.
Its main function is to store bile.
Bile helps your digestive system break down fats.
Bile is a mixture of mainly cholesterol, bilirubin and bile salts.
Blood Flow
Iron Content in the blood
Protein Content
Mitotic rate of cells
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Explanation
The sensitivity of blood tissue to radiation primarily depends on the mitotic rate of cells.
Cells that divide rapidly, such as blood-forming cells in the bone marrow, are more vulnerable to radiation damage.
This is because radiation mainly affects DNA replication and cell division, making highly mitotic cells more susceptible to its effects
Mucous
Base
Acid
Water
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Explanation
Goblet cells are specialized cells that produce and secrete mucus, a key component of the protective mucus layer lining the respiratory and gastrointestinal tracts.
Yellow fever
Dengue fever
Malaria
Viral fever
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Explanation
Yellow fever → Spread by Aedes mosquitoes.
Dengue fever → Spread by Aedes aegypti mosquitoes.
Malaria → Spread by Anopheles mosquitoes.
Viral fever → Caused by different viruses but is not vector-borne; it spreads through direct contact, droplets, or contaminated surfaces