Choose the correct biology answer: which organ is primarily responsible for gas exchange in humans?

✅ B. Kidney

Option A: Liver Option B: Kidney Option C: Lungs Option D: Heart Correct Answer : Kidney Read more

✅ A. 65%

Option A: 65% Option B: 18% Option C: 10% Option D: 3% Correct Answer : 65% Read more

✅ A. Sensory neuron

Option A: Sensory neuron Option B: Motor neuron Option C: Associative neuron Option D: none of these. Correct Answer : Sensory neuron Read more

✅ A. Silica

Option A: Silica Option B: Calcium carbonate Option C: Manesium carbonate Option D: Both Correct Answer : Silica Read more

✅ C. All retroviruses

Option A: All RNA viruses Option B: All DNA viruses Option C: All retroviruses Option D: All viruses Correct Answer : All retroviruses Read more

✅ B. Fungus

Option A: Plant Option B: Fungus Option C: Animal Option D: Algae Correct Answer : Fungus Read more

✅ A. DNA

a: DNA | b: ATP | c: Glucose | d: Cellulose Read more

✅ B. Meiosis

a: Mitosis | b: Meiosis | c: Budding | d: Binary fission Read more