Practice mode / Biology Amphoixus is a? A Option A: Chordate B Option B: Protochordate C Option C: Lower chordate D Option D: All of these Correct answer D. All of these Show answer
Question 01 / Biology The simplest of oxygen producting photosynthetic organisms are? A Option A: Algae B Option B: Bacteria C Option C: Cyanobacteria D Option D: Chlamydomonas Correct answer C. Cyanobacteria Show answer Open question
Question 02 / Biological Molecules Each turn of DNA contain ____ nitrogenous base pairs? A Option A: 5 B Option B: 10 C Option C: 20 D Option D: 25 Correct answer B. 10 Show answer Open question
Question 03 / Biological Molecules An insulin molecule consists of ____ polypeptide chains? A Option A: 1 B Option B: 2 C Option C: 3 D Option D: 4 Correct answer B. 2 Show answer Open question
Question 04 / Biology Hunger pangs usually begin ____ after the previous meal. A Option A: 2-4 hours B Option B: 6-8 hours C Option C: 10-12 hours D Option D: 12-24 hours Correct answer D. 12-24 hours Show answer Open question
Discussion