Build a clear understanding of living organisms, cells, genetics, human systems and the environment through carefully selected practice questions.
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What is the term for a permanent change in the DNA sequence of an organism?
What is the term for the physical appearance or observable characteristics of an organism?
Which layer of the skin contains melanocytes that produce the pigment responsible for skin colour?
Which disease is caused by the deficiency of Vitamin B1 affecting the nervous and cardiovascular systems?
What is the term for the gradual process of change in the species composition of an ecosystem over time?
What is the term for organisms that cannot make their own food and must consume other organisms?
What is the term for the pigment responsible for skin, hair, and eye color in humans?
What is the term for the sequence of feeding relationships in an ecosystem?
Which structure allows gas exchange in plant leaves?
What is the process by which cells divide to produce two identical daughter cells?
What is the role of enzymes in biological reactions?
Which type of immunity is present from birth and provides a non-specific first line of defence?
Which molecule is the primary energy currency of cells?
Which organ in the human body is responsible for pumping blood throughout the body?
Which part of the eye is the coloured ring that controls pupil size regulating light entry?
What is the term for the process by which plants lose water vapour through their leaves?
Which scientist developed the modern system of classification for organisms?
Which gland is called the master gland of the endocrine system?
Which scientist is credited with discovering the cell using a microscope?
What is the powerhouse process that produces ATP called?