BIO 101 - GENERAL BIOLOGY – MIDTERM EXAM
QUESTIONS WITH COMPLETE SOLUTIONS
**1. What is the primary function of the Endoplasmic Reticulum?**
a) Storing genetic information
b) Manufacturing membranes and performing biosynthesis functions
c) Protecting the cell from toxins
d) Digesting cellular waste
**Answer:** b) Manufacturing membranes and performing biosynthesis functions
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**2. Which statement best describes the Cell Theory?**
a) All organisms are made up of atoms
b) Cells can be created from non-living matter
c) All organisms are made up of cells, and all cells come from pre-existing cells
d) Cells are only found in plants and animals
**Answer:** c) All organisms are made up of cells, and all cells come from pre-existing cells
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**3. What concept explains the unity among diverse forms of life?**
a) Biological diversity and unity
b) Evolutionary randomness
c) Environmental influence
d) Cellular mutation
**Answer:** a) Biological diversity and unity
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**4. What is the universal genetic language in living organisms?**
a) RNA
b) DNA
,ESTUDY
c) Proteins
d) Enzymes
**Answer:** b) DNA
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**5. What is the smallest unit capable of performing all activities of life?**
a) Organ
b) Cell
c) Atom
d) Molecule
**Answer:** b) Cell
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**6. Which of the following are activities of life?**
a) Reproduction, growth, energy utilization, response to the environment, and homeostasis
b) Communication, mutation, resting, and division
c) Growth, decline, and energy conservation
d) Only growth and energy utilization
**Answer:** a) Reproduction, growth, energy utilization, response to the environment, and
homeostasis
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**7. What tool allowed scientists to study cells in detail?**
a) Binoculars
b) Microscopes
c) Telescopes
d) Magnifying glasses
**Answer:** b) Microscopes
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**8. Who is considered the first cytologist, famous for the book "Micrographia"?**
, ESTUDY
a) Isaac Newton
b) Louis Pasteur
c) Robert Hooke
d) Charles Darwin
**Answer:** c) Robert Hooke
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**9. Which type of microscope can be used to study live cells?**
a) Light Microscope
b) Electron Microscope
c) Scanning Electron Microscope (SEM)
d) Transmission Electron Microscope (TEM)
**Answer:** a) Light Microscope
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**10. Which type of microscope reveals organelles but can only be used on dead cells?**
a) Light Microscope
b) Electron Microscope
c) Atomic Force Microscope
d) Confocal Microscope
**Answer:** b) Electron Microscope
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**11. What is the main function of the Plasma Membrane?**
a) Protecting the cell from physical damage
b) Providing structural support
c) Functioning as a selective barrier
d) Storing cellular waste
**Answer:** c) Functioning as a selective barrier
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