BIOLOGY
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
عالمی ادارہ صحت کے مطابق ، صحت کا تصور ______ پر مرکوز ہے؟
Freedom from diseases
A sense of total wellbeing
Mental health
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
According to the World Health Organization (WHO), health is defined as a state of complete physical, mental, and social well-being , not just the absence of disease.
This holistic approach emphasizes overall wellness , including emotional and psychological aspects.
کمر میں درد اور کمر کی چوٹ سے بچنے کے لئے دھیان میں رکھنے کے لئے ______ نکات ہیں؟
Don’t bend forward while sitting
Not to lift heavy luggage
Do the exercises which stretch back muscles
All of the above
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Proper posture, avoiding heavy lifting, and stretching exercises help prevent back pain and injury.
These practices reduce strain on the spine and improve flexibility and strength.
کے عمل سے الوولی میں گیس کا تبادلہ کیا جاتا ہے؟ ______
Active transport
Facilitated diffusion
Simple diffusion
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Gas exchange in the alveoli occurs through simple diffusion , where oxygen moves from high concentration in the alveoli to low concentration in the blood, and carbon dioxide moves in the opposite direction.
This process does not require energy as it follows the concentration gradient.
سائٹوسین اور یوریکل ______ میں پائے جاتے ہیں؟
RNA
DNA
Both A and B
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Cytosine is found in both DNA and RNA , but uracil is unique to RNA .
In RNA , uracil replaces thymine , pairing with adenine during transcription.
ڈیکپوزرز کی مثالوں میں ______ شامل ہیں؟
Bacteria and fungi
Bacteria and algae
Fungi and algae
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Decomposers break down organic matter into simpler substances.
Bacteria and fungi play a key role in decomposition and nutrient recycling.
جگر کو کس اعضاء کے نظام میں شامل کیا گیا ہے؟
Respiratory system
Circulatory system
Digestive system
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
The liver plays a key role in the digestive system by producing bile , which helps in fat digestion .
It also processes nutrients, detoxifies chemicals, and regulates metabolism .
کون سی مٹی ریت ، گندگی اور مٹی کا مرکب ہے؟
Clayey soil
Loamy soil
Sandy soil
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Loamy soil is a balanced mixture of sand, silt, and clay , making it ideal for farming.
It has good water retention and proper drainage , supporting plant growth effectively.
توانائی پیدا کرنے کے مقصد کے لئے گیسوں کے تبادلے کو ______ کہا جاتا ہے؟
Circulation
Breathing
Respiration
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Respiration is the process where oxygen is used to break down glucose, releasing energy (ATP) and producing carbon dioxide as a byproduct.
It occurs in the mitochondria .
It is essential for all living organisms.
کاربوہائیڈریٹ _____ کا ایک بھرپور ذریعہ ہے؟
Energy
Starch
Lactic Acid
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Carbohydrates are the primary source of energy for the body, broken down into glucose .
They fuel cellular activities, brain function, and physical movement.
تمام انسان ، جانور اور پودوں کی زندگی _____ پر منحصر ہے؟
Wheat
Bacteria
Water
None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
Water is essential for survival as it supports biological functions in humans, animals, and plants.
It is needed for digestion, circulation, photosynthesis, and maintaining life processes.
