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 982easy
Which hormone causes emotional disturbance?
Question 983medium
Haemophilia is a hereditary disease carried by
Question 984hard
The sex of a newborn baby is determined by the chromosome inherited from
Advertisement
Question 985hard
The chromosome number 2n is known as
Question 986medium
In 1910, who proved the idea of W.S.Sutton that genes are located on chromosomes?
Question 987medium
Different forms of genes are called
Advertisement
Question 988easy
Fruitfly has
Question 989medium
Which nitrogenous base is not found in dna?
Question 990easy
Gregor Johann Mendel worked on