GENERAL BIOLOGY 1

It magnifies what we cannot see like bacteria and cells.

• Microscope

• Microscopy

• Microbiology

• Microbes

Who was the first person to observe and record cells using a light microscope?

• Robert Koch

• Robert Hooke

• Rudolf Virchow

• Mattias Schleiden

What are the 3 important parameters of microscope?

• Magnification

  Contrast

  Resolving

• Magnifying

  Contracting

  Resolution

• Magnification

  Contrast

  Resolution

• Magnify

  Contract

  Resolution

It is a type of electron microscope that profiles thin sections to show internal structures. Some are cut as cross-sections (horizontal) and longitudinal sections (vertically)

• Transmission electron microscope

• Scanning electron microscope

• Light microscope

Which principle of cell theory is not correct?

• All living things are composed of one or more cells

•   Cells are the basic unit of matter

• All new cells arise from existing cell

• Cells carry genetic material passed to daughter cells during cell division

Which cell structure is the outer surface that protects the cell?

• Mitochondria

• Cellulose

• Cytoplasm

• Cell membrane

Which cell structure is the jelly substance inside the cell where substances floats?

• Cell wall

• Cell membrane

• Cytoplasm

• Cytosol

Which cell structure is only found in plants cell that gives it structure?

• Cell wall

• Cell membrane

• Ribosomes

• Lysosomes

It performs specific functions to carry out life processes.

• Organelles

• Cell

• Cell wall

• DNA

Which structure of the cell contains most of the genetic material, in the form of  DNA?

• Nucleolus

• Nucleoid

• Nucleus

• Nuclear membrane