Cell - Basic Unit of Life

Arrange the following levels of organization from least complex to most complex

• Organelles, cells, tissues, organs, organ systems, organisms

• Cells, organelles, tissues, organs, organ systems, organisms

• Organelles, cells, organs, organ systems, tissues, organism

• Cells, organelles, organs, organ systems, tissue, organism

The cell wall is made up of a substance called

• Lignin

• Starch

• Chitin

• Cellulose

Choose the correct statement:

• Chromosomes are located in the nucleolus.

• Cell is located in the nucleus.

• Genes are located in the chromosomes.

• Cell membrane surrounds the nucleus.

The unit of measurement used for expressing dimension (size) of cells is:

• centimeter

• millimeter

• micrometer

• meter

The structures found in a plant cell, but not in an animal cell, include the following:

• Chloroplasts, a cell wall, and mitochondria

• Chloroplasts, centrioles, and Golgi apparatus

• Chloroplasts, a cell wall, and a large vacuole

• Centrioles, a cell membrane, and a nucleus

The organelle most directly involved in cellular aerobic respiration is the

• Ribosome

• Mitochondrion

• Nucleus

• Lysosomes

The spherical structured organelle that contains the genetic material is

• Cell wall

• Ribosomes

• Nucleus

• Mitochondria

Which one of the following organelles digests the old organelles that are no longer useful to the cells?

• Ribosomes

• Mitochondria

• Centrioles

• Lysosomes

Protoplasm is

• Another name for cytoplasm

• a living part of the cell

• a living part of the mitochondria

• a non-living part of the cell

Which of the following statements are true about Eukaryotes?

• They are cells with a nucleus.

• They are found both in humans and multicellular organisms.

• Endoplasmic reticulum is present in Eukaryotes.

• They have chemically complexed cell wall.