کیڑے کس عضو سے سانس لیتے ہیں؟
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A. Gills
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B. Spiracles
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C. Nostril
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D. None of these
Explanation
Instead of nostrils, insects breathe through openings in the thorax and abdomen called spiracles.
Insects that are diapausing or non-mobile have low metabolic rates and need to take in less oxygen.
Insects exchange oxygen and carbon dioxide through spiracles (noted by circle)
کیڑوں میں ہائبرنیشن _____ کے نام سے جانا جاتا ہے؟
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A. Dilysis
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B. Diapause
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C. Diapedesis
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D. None of these
Explanation
- Diapause is a period of dormancy in insects to survive unfavorable conditions like extreme cold or drought.
- It is different from hibernation as it can occur at any stage (egg, larva, pupa, or adult) depending on the species.
کیڑوں کے ذریعہ خارج ہونے والا اہم نائٹروجنس کچرا ______ ہے؟
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A. Ammonia
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B. Urea
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C. Uric acid
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D. None of these
Explanation
- Insects excrete uric acid, which is insoluble in water and helps in conserving water.
- This adaptation is crucial for terrestrial insects to survive in dry environments.
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A. ants
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B. Donkey
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C. Horse
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D. None
Explanation
According to different estimates, ants can carry 10 - 50 times their body weight, or maybe even more
Because ants are so small, their muscles have a greater cross-sectional area (they are thicker) relative to their body size than in larger animals.
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A. dog
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B. Elephant
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C. An aunt
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D. none
Explanation
ants can carry 10 - 50 times their body weight, or maybe even more!
Because ants are so small, their muscles have a greater cross-sectional area relative to their body size than in larger animals.
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A. Grasshopper
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B. Leech
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C. Earthworm
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D. Slug
Explanation
Malpighian tubules are found in grasshoppers and other insects, functioning in excretion.
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A. three pairs of legs
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B. pairs of wings
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C. all
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D. pair of antennae
Explanation
They feed on plants, converting plant material into protein , enjoyed by many species.
Their eggs, laid in burrows in the ground, are dug up by other insects and the nymphs (young ones) are caught by small birds and lizards.
All in all, locusts have a great ecological role in the food chain.
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RY 11-10-2022
✅ Correct: 0 |
❌ Wrong: 0 |
📊 Total Attempted: 0
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