Which of the following animals has a respiratory system with one way flow of the air through the lungs, and the air is renewed after inspiration?

✅ B. Pinworm

Option A: Flatworm Option B: Pinworm Option C: Hook worm Option D: Tapeworm Correct Answer : Pinworm Read more

✅ D. Parasitic bacteria

Option A: Heterotrophic bacteria Option B: Chemosynthetic bacteria Option C: Saprophytic bacteria Option D: Parasitic bacteria Correct Answer : Parasitic bacteria Read more

✅ B. pericardium

Option A: pleura Option B: pericardium Option C: peritoneum Option D: epithelium Correct Answer : pericardium Read more

✅ D. Bio-technology

Option A: Human Biology Option B: Environmental Biology Option C: Genetics Option D: Bio-technology Correct Answer : Bio-technology Read more

✅ B. Pleura

Option A: Disphragm Option B: Pleura Option C: Pericardium Option D: Rib cage Correct Answer : Pleura Read more

✅ D. Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process.

Option A: Contain mainly unicellular organisms. Option B: Their contractile vacoule is respobsible for water regulation. Option C: They are even capable of sexual reproduction. Option D: Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus functions in sexual process. Correct Answer : Diploid nucleus being smaller is responsible for cells metabolism and growth while polyploidy nucleus… Read more

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Option A: Nucleus Option B: Cytosol Option C: Mitochondria. Option D: Ribosomes Correct Answer : Read more

✅ A. Germany

Option A: Germany Option B: Turkey Option C: Italy Option D: Japan Correct Answer : Germany Read more