4. Cell Biology & Organelles

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Which of the following statements is incorrect about the Lysosome?

It is a membrane-bound organelle found in plant as well as animal cells

It is also called the suicidal bag of the cell

It helps in the synthesis of protein

It acts as a dispatch station of protein products received from the endoplasmic reticulum (ER)

Which of the following is not present in animal cells?

Cell walls

Mitochondria

Ribosomes

Cytoplasm

Which of the following protects the body against infectious disease and foreign invaders?

Leukocytes

Red blood cells

Endoplasmic reticulum (ER)

Golgi apparatus

Which among the following is the most important role played by Ribosome in the cells?

Synthesis of RNA

Synthesis of DNA

Synthesis of Proteins

Metabolism of Carbohydrates

Which among the following cell organelles is essential for Cellular respiration?

Endoplasmic Reticulum

Golgi Body

Mitochondrion

Lysosomes