Gaseous exchange in birds occurs at level of_______________?

✅ D. Both b and c

Option A: Apoenzyme Option B: Holoenzyme Option C: Activated enzyme Option D: Both b and c Correct Answer : Both b and c Read more

✅ B. Algae

Option A: Monera Option B: Algae Option C: Slime molds Option D: Plants Correct Answer : Algae Read more

✅ C. Dr Barry Marshall and dr Robin Warren

Option A: Robert Hook Option B: James parkinson Option C: Dr Barry Marshall and dr Robin Warren Option D: None of these Correct Answer : Dr Barry Marshall and dr Robin Warren Read more

✅ D. Herbert Copeland

Option A: John Hogg Option B: Ernst Haeckel Option C: Margulis and Schwartz Option D: Herbert Copeland Correct Answer : Herbert Copeland Read more

✅ C. Homozygous dominant individual

Option A: Recessive allele Option B: Dominant allele Option C: Homozygous dominant individual Option D: Homozygous recessive individual Correct Answer : Homozygous dominant individual Read more

✅ B. 50%

Option A: 40% Option B: 50% Option C: 60% Option D: 70% Correct Answer : 50% Read more

✅ B. They are usually solid at room temperature

Option A: They contain double bond Option B: They are usually solid at room temperature Option C: They are lighter than water Option D: Their specific gravity is less than 1 Correct Answer : They are usually solid at room temperature Read more

✅ C. 5

Option A: 7 Option B: 12 Option C: 5 Option D: 4 Correct Answer : 5 Read more