GENERAL SCIENCE CLASS 7 MCQS
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
منہ سے مقعد تک پھیلی ہوئی مسلسل ٹیوب کو ____ کہتے ہیں؟
Respiratory Tract
Alimentary Canal
Nervous System
Circulatory System
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Explanation
The alimentary canal is the digestive tract through which food passes.
It starts from the mouth and ends at the anus.
Key organs include the esophagus, stomach, small intestine, and large intestine.
It is responsible for digestion, absorption of nutrients, and excretion of waste.
The canal is a continuous muscular tube, ensuring smooth passage of food.
کھانے کے بڑے ذرات کے چھوٹے ذرات میں ٹوٹنے کو ____ کہتے ہیں؟
Egestion
Absorption
Utilization
Digestion
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Explanation
Digestion is the process of breaking down large food particles into smaller particles. Such as molecules and ions, that can be absorbed and utilized by the body.
کون سی ایلیمینٹری کینال کی ٹشو پرت نہیں ہے؟
Mucosa
Secretin
Muscular
Serosa
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Explanation
Secretin is a hormone that stimulates the release of digestive enzymes and bicarbonate from the pancreas. But it is not a tissue layer of the alimentary canal.
"ہضم"، اکیلے، (انتہائی مخصوص جواب) سے ____ مراد ہے؟
Absorption of nutrients
Transport of nutrients
Chemical/mechanical breakdown of food
Elimination of waste
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Explanation
Digestion specifically refers to the process of breaking down food into smaller components. Through mechanical and chemical means, allowing the body to absorb and utilize nutrients.
مندرجہ ذیل میں سے کون سا عمل انہضام نہیں ہے؟
Filtration
Absorption
Mechanical processing
Ingestion
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Explanation
Filtration is a function of the kidneys , which filter waste and excess substances from the blood. It is not a digestive function.
پروٹان، الیکٹران اور نیوٹران کے چارجز بالترتیب کیا ہیں؟
Negative, Positive, Neutral
Neutral, Negative, Positive
Positive, Negative, Neutral
Neutral, Positive, Negative
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Explanation
The charges of Proton, Electron, Neutron respectively are:
Proton: Positive charge (+1) Electron: Negative charge (-1) Neutron: Neutral charge (0)
پیٹ ایک ___ تھیلی کی طرح ہے۔
I-shaped
J-shaped
K-shaped
L-shaped
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Explanation
The stomach is a J shaped sac about one foot in length that lies under the diaphragm on the left of the abdominal cavity.
The stomach has three parts :
The region where the stomach opens is known as the cardiac stomach. The main body is known as fundus . The posterior portion which opens to the intestine is known as the pyloric stomach.
سوائے نظام تنفس کی عام بیماریاں درج ذیل ہیں؟
Tuberculosis
Hepatitis
Asthma
Pneumonia
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Explanation
Hepatitis is a disease of the liver , not the respiratory system.
Top Common diseases of the respiratory system include:
Asthma Chronic obstructive pulmonary disease (COPD) Pneumonia Influenza (flu) Tuberculosis (TB) Bronchitis Emphysema Lung cancer Cystic fibrosis Pulmonary fibrosis
جسم میں بلڈ پریشر کی نارمل قدر کیا ہے؟
80 to 120mg/100 ml of blood
70to 120mg/100 ml of blood
60 to 120mg/100 ml of blood
90 to 120mg/100 ml of blood
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Explanation
A fasting blood sugar level of 99 mg/dL or lower is normal, 100 to 125 mg/dL indicates you have prediabetes, and 126 mg/dL or higher indicates you have diabetes
سب سے زیادہ گرم ستارے کس رنگ میں نظر آتے ہیں؟
Red
Blue
Dark
Green
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Explanation
The hottest stars appear blue in color. Blue stars are very hot, with surface temperatures reaching tens of thousands of degrees Celsius. It emitting predominantly blue and ultraviolet light.