Quiz 2 (MCQ): Topic 2 - Cell Structure & Functions

Which of these statements is one of the generalisations of the cell theory?

• All cells contain nucleus.

• DNA is a genetic material found in all cells.

• New cells arise from pre-existing cells.

• Eukaryotic cells evolved from prokaryotic cells.

Which of the following is the most significant difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a cell membrane; eukaryotic cells do not.

• Prokaryotic cells possess ribosomes; eukaryotic cells do not.

• Eukaryotic cells have DNA; prokaryotic cell do not.

• Eukaryotic cells have membrane-bound organelles; prokaryotic cells do not.

In bacteria, DNA is found __________________________

• in the nucleus alone.

• in both the nucleus and organelles.

• in the nucleoid as a single circular thread.

• in organelles alone.

Which of these cell features is ABSENT in a bacteria cell?

• Plasma membrane

• Nucleus

• Nucleoid

• Cytoplasm

Unlike eukaryotic cells, prokaryotic cells ____________________.

• have RNA, not DNA.

• do not have cell wall.

• have mesosome instead of mitochondria.

• have cell membranes as well as nuclear envelope.

One of the key distinctions between plant and animal cells is the presence of ____________cells, which is lacking in ________________cells.

• a Golgi body in plant; animal

• a Golgi body in animal; plant

• a vacuole in animal; plant

• a vacuole in plant; animal

Which of the following are found in both plant and animal cells?

• Nucleus, Golgi body and chloroplasts

• Ribosomes, mitochondria and plasma membrane

• Centrioles, cell walls and nucleolus

• Vacuoles, nucleolus and starch grains

Which organelles contain DNA?

• Nucleus and mitochondria

• Mitochondria and lysosome

• Nucleus and Golgi body

• Lysosome and Golgi body

Which of the following pair of organelles have double membranes?

• Chloroplast and mitochondria

• Mitochondria and ribosomes

• Nucleus and ribosomes

• Chloroplast and ribosomes

The organelles that have one single layer of membrane are

I. lysosome

II. vacuole

III. nucleus

• I only

• I and II only

• II and III only

• I, II and III