They are considered to be the most primitive and are surely the first of the vertebrates?

✅ B. Growth stimulator

Option A: Growth inhibitor Option B: Growth stimulator Option C: Growth hormone Option D: None of these Correct Answer : Growth stimulator Read more

✅ D. Niche

Option A: Ecosystem Option B: Community Option C: Habitat Option D: Niche Correct Answer : Niche Read more

✅ A. Amoeboid cell

Option A: Amoeboid cell Option B: Stipules Option C: Spicules Option D: Spines Correct Answer : Amoeboid cell Read more

✅ C. Chromoplast

Option A: Chloroplast Option B: Chlorophyll Option C: Chromoplast Option D: Leucoplast Correct Answer : Chromoplast Read more

✅ B. 5-7%

Option A: 6-8% Option B: 5-7% Option C: 7-9% Option D: 4-6% Correct Answer : 5-7% Read more

✅ D. Nuclear envelop

Option A: A. Cell wall Option B: Cell membrane Option C: Boundary Option D: Nuclear envelop Correct Answer : Nuclear envelop Read more

✅ B. Compensation point

Option A: Neutral point Option B: Compensation point Option C: Parallel point Option D: Competitive point Correct Answer : Compensation point Read more

✅ B. Slime

Option A: Capsule Option B: Slime Option C: Cell Wall Option D: Cell membrane Correct Answer : Slime Read more