جب کوئلہ کافی ہوا کی فراہمی کے بغیر جلایا جائے تو کون سی زہریلی گیس پیدا ہوتی ہے؟
A. Ammonia
B. Carbon monoxide
C. None of these
D. Nitrogen
Explanation
Carbon monoxide (CO) is a colorless, odorless, and tasteless gas that is produced when coal is burned without sufficient oxygen.
CO is highly toxic.
It can be deadly in high concentrations , as it displaces oxygen in the bloodstream.
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کون سی مشروم کھانے کے قابل نہیں ہے؟
A. None of these
B. Straw mushroom
C. Oyster mushroom
D. Amanita phalloides
Explanation
Amanita phalloides , also known as the death cap. It is highly toxic and not edible , causing severe poisoning and death if consumed. Oyster mushrooms and straw mushrooms are safe to eat and commonly used in cooking . Show/Hide Explanation
کون سا زہر زنا کو روکتا ہے؟
A. Arsenic
B. Mercury
C. Lead
D. Phosphorus
Explanation
Certain poisonous substances in the body can delay the process of putrefaction . They include :
Carbolic acid (Phenol) Arsenic and antimony Strychnine Nux vomica (plant) Zinc chloride, ZnCl2 Morphine Aconitine Putrefaction is referred the breaking down of the body of an animal post-mortem
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جسم پر ٹیٹنس ٹاکسن کا کیا اثر ہے؟
A. None of these
B. Uncontinuous and weak muscle relaxation.
C. Affected tonsils.
D. Strong and continuous muscle contraction.
Explanation
Tetanus toxin (produced by Clostridium tetani) affects the nervous system , blocking inhibitory signals to muscles.
This causes sustained and painful muscle contractions.
It is also known as " lockjaw " or spastic paralysis .
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رینگنے والے جانوروں میں زہر غدود میں ترمیم کی گئی ہے ______ غدود۔
A. None of these
B. Pituitary
C. Salivary
D. Nasal
Explanation
In reptiles, venom glands are modified salivary glands . It producing toxic secretions for prey capture or defense. These glands are especially developed in snakes and some lizards. Show/Hide Explanation
سانپ کاٹنے سے پہلے ______ کو متاثر ہوتا ہے؟
A. Blood circulation
B. None of these
C. Nervous system
D. Lungs
Explanation
A snake bite first affects the blood circulation or local tissue at the site of the bite.
Hemotoxic venom damages blood cells and tissues.
Neurotoxic venom can later affect the nervous system , but the initial impact is usually on the blood or local area.
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A. Pancreas
B. Heart
C. Kidney
D. Liver
Explanation
Metabolic wastes are primarily detoxified in the liver and excreted by the kidneys.
While the liver is the primary detoxification organ, the kidneys are responsible for removing many of these waste products from the blood and excreting them in urine.
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