Biology MCQs
Practice free Biology multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 1146 questions — no login required.
Question 523medium
They are considered to be the most primitive and are surely the first of the vertebrates.
Question 524easy
They are extremely diverse group of organisms.
Question 525easy
In Animal Kingdom classification, which of the following is not a Phylum?
Advertisement
Question 526medium
The scientific study of plants is termed as
Question 527hard
Lobsters belong to which one of the following classes of organisms?
Question 528hard
Fishes have a ________ chambered heart.
Advertisement
Question 529easy
Which one of the following is not a chordate?
Question 530easy
Carica papaya is the scientific name of ________ .
Question 531medium
Psidium guajava is the scientific name of ________ .