The first eukarotes appeared about __________ years ago?

✅ A. Cocci

Option A: Cocci Option B: Bacilli Option C: Streptobacilli Option D: Vibrio Correct Answer : Cocci Read more

✅ B. Bacillariophyceae

Option A: Chrysophyta Option B: Bacillariophyceae Option C: Xanthophyceae Option D: Both A. and B. Correct Answer : Both and B. Read more

✅ D. They Are heterotrophes

Option A: All are eukaryotes Option B: They are multicellular. Option C: Non-motile organisms Option D: They Are heterotrophes Correct Answer : They Are heterotrophes Read more

✅ D. Having slow but prolonged effects

Option A: Produce chemical messengers Option B: Release chemical messengers in extracellular space Option C: Homestatic in function Option D: Having slow but prolonged effects Correct Answer : Having slow but prolonged effects Read more

✅ C. Reptiles

Option A: Amoeb Option B: Earthworm. Option C: Reptiles Option D: Amphibians. Correct Answer : Reptiles Read more

✅ B. Fungus

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

✅ B. 20 Hz to 20,000 Hz

Option A: 10 Hz to 10,000 Hz Option B: 20 Hz to 20,000 Hz Option C: 30 Hz to 30,000 Hz Option D: 40 Hz to 40,000 Hz Correct Answer : 20 Hz to 20,000 Hz Read more

✅ A. Osmoconformers

Option A: Osmoconformers Option B: Osmoregulators Option C: Both depend upon the concentration of sea water Option D: None of these Correct Answer : Osmoconformers Read more