Prepare Biology with confidence
Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.
Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.
Questions are tracked as practiced when you open Show Answer & Explanation. Tracking stays only in this browser tab and no subject-test result is saved.
Which process by which bacteria take up free DNA from their environment was discovered by Griffith?
What is the process by which bacteria exchange genetic material through direct contact?
What is the term for the genetic makeup of an organism?
What is the term for the process by which cells divide to form gametes?
What is the role of helper T cells in coordinating the immune response?
What is the functional unit of the kidney responsible for filtration of blood?
Which plant hormone is primarily responsible for stem elongation and phototropism?
What is the process by which white blood cells engulf and digest bacteria and foreign particles?
What is the process by which cells engulf large particles by wrapping the cell membrane around them?
Which part of the digestive system primarily absorbs nutrients into the bloodstream?
Which plant hormone signals guard cells to close stomata during drought conditions?
What is the term for the sum of all chemical reactions occurring within an organism?
What is the broadest level of biological classification?
Which process copies DNA information into mRNA in the nucleus?
Which organelle within the nucleus is responsible for producing ribosomal RNA?
What is the term for the variety of different species present in a given habitat?
What is the term for a substance that speeds up chemical reactions in living organisms?
Which organ system includes the lungs and is responsible for gas exchange?