1 Which branch of biology studies the interactions between organisms and their environment? A Ecology B Genetics C Taxonomy D Palaeontology
2 What are stem cells that can become any type of cell called? A Unipotent B Multipotent C Pluripotent D Totipotent
3 Which type of endoplasmic reticulum has ribosomes attached to its surface? A Smooth ER B Rough ER C Golgi apparatus D Lysosome
4 The branch of biology that studies the development of embryos is called: A Genetics B Embryology C Cytology D Ecology
5 In the scientific method, a testable explanation for an observation is called a: A Theory B Law C Hypothesis D Principle
6 Which structure controls what enters and leaves the cell? A Cell wall B Cell membrane C Cytoplasm D Nucleus
7 Which branch of biology deals with the study of animals? A Botany B Zoology C Microbiology D Ecology
8 Which branch of biology deals with the study of the structure of organisms? A Physiology B Morphology C Genetics D Ecology
9 Which field of biology deals with the study of the immune system? A Pathology B Immunology C Pharmacology D Microbiology
10 Which organelle is known as the powerhouse of the cell because it produces most of the cell's energy? A Nucleus B Mitochondrion C Ribosome D Golgi apparatus
11 Which of the following is a reason why viruses are not included in the five-kingdom classification? A They are too small to be seen B They are acellular C They can cause diseases D They are not living organisms
12 Which of the following is a characteristic of viruses? A They are acellular B They are prokaryotic C They are eukaryotic D They are multicellular
14 Which of the following is a characteristic of stem cells? A They are fully differentiated. B They cannot divide. C They can differentiate into various cell types. D They are only found in plants.
15 What is the correct sequence of steps in the scientific method? A Observation → Hypothesis → Experiment → Conclusion B Hypothesis → Observation → Experiment → Conclusion C Experiment → Observation → Hypothesis → Conclusion D Observation → Experiment → Hypothesis → Conclusion
16 The division of labour among organelles means that: A Each organelle performs all functions. B Different organelles have specific roles. C Organelles work independently without coordination. D Only the nucleus performs all functions.
17 Which of the following is a branch of biology that studies the classification of organisms? A Taxonomy B Anatomy C Physiology D Genetics
18 Which of the following is NOT a main branch of biology? A Botany B Zoology C Microbiology D Astronomy
19 The fluid-mosaic model describes the structure of which cell part? A Cell wall B Cell membrane C Cytoplasm D Nucleus
20 The study of the development of an embryo is called: A Genetics B Embryology C Cytology D Histology
21 Which scientist is known as the father of taxonomy? A Aristotle B Carl Linnaeus C Charles Darwin D Gregor Mendel
22 What is the main function of the nucleolus? A Producing ribosomes B Storing water C Generating ATP D Packaging proteins
24 Which of the following is a unicellular absorptive heterotroph? A Amoeba B Yeast C Mushroom D Fern
25 What is the literal meaning of the word 'Biology'? A Study of life B Study of earth C Study of chemicals D Study of stars