The Cell - Unit of life - Diagram-based MCQs for Class 11

The term ‘cell’ is initially derived from the Latin word meaning a small room. A cell is the smallest and fundamental unit of all living organisms. The single-cell performs numerous biological activities of a living organism. Therefore, the cell is called the structural and functional unit of all the living species on Earth.

Some organisms like bacteria are made up of a single cell, while other living species are made up of trillions of cells, including animals, birds, plants and human beings. An organism comprises four levels of organization:

Cells

A group of cells form tissues.

Tissues

Tissues make up organs.

Organs

Organs include an organ system.

Organ systems.

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Let us practise some important diagram-based MCQs on The Cell – Unit of life.

Solved Diagram-based MCQs on The Cell – Unit of life for Class 11

The-cell

Identify the cell type in the above-given image.

(A) Plant cell

(B) Fungal cell

(C) Animal cell

(D) Bacterial cell

The Correct Answer is (C) Animal cell.

In the above-given cell diagram numbered 9, supports and protects the cell. Identify the cell organelle.

(A) Nucleus

(B) Ribosome

(C) Lysosome

(D) Cell membrane

The Correct Answer is (D) Cell membrane.

In the above-given cell diagram, numbered 5 is self-replicating organelles. Identify the cell organelle.

(A) Lysosomes

(B) Ribosomes

(C) Mitochondria

(D) Golgi apparatus

The Correct Answer is (C) Mitochondria.

_________ is the thick, clear and jelly-like substance found between the cell membrane and the nucleus.

(A) Cytoplasm

(B) Mitochondria

(C) Golgi apparatus

(D) Endoplasmic reticulum

The Correct Answer is (A) Cytoplasm.

In the above-given cell diagram, a cell organelle numbered 5 stores_____.

(A) ATP

(B) Lipid

(C) Protein

(D) Carbohydrates

The Correct Answer is (A) ATP

Which of the following cell organelles controls apoptosis?

(A) Ribosomes

(B) Lysosomes

(C) Mitochondria

(D) Golgi apparatus

The Correct Answer is (C) Mitochondria.

Which of the following cell organelles lacks a membrane?

(A) Ribosomes

(B) Lysosomes

(C) Mitochondria

(D) Golgi apparatus

The Correct Answer is (A) Ribosomes.

Which of the following cell organelles is responsible for the degradation of worn-out cells?

(A) Ribosomes

(B) Cytoplasm

(C) Lysosomes

(D) Mitochondria

The Correct Answer is (C) Lysosomes

In the above-given cell diagram, numbered 5 is involved in Kreb’s cycle process. Identify the cell organelles.

(A) Nucleus

(B) Ribosome

(C) Mitochondria

(D) Endoplasmic reticulum

The Correct Answer is (C) Mitochondria.

What is the function of a cell organelle numbered 2?

(A) Osmoregulation

(B) Synthesis of lipids

(C) Synthesis of proteins

(D) None of these

The Correct Answer is (B) Synthesis of lipids.

Which of the following cell organelles is involved in cellular respiration?

(A) Ribosomes

(B) Lysosomes

(C) Golgi bodies

(D) Mitochondria

The Correct Answer is (D) Mitochondria.

In the above-given cell diagram, numbered 2 is involved in protein transport. Identify the cell organelle.

(A) Lysosomes

(B) Ribosomes

(C) Mitochondria

(D) Endoplasmic reticulum

The Correct Answer is (D) Endoplasmic reticulum

Which of the following cell organelles possesses hydrolase enzymes?

(A) Lysosome

(B) Golgi apparatus

(C) Cell membrane

(D) Endoplasmic reticulum

The Correct Answer is (A) Lysosome.

This cell organelle is called the commanding centre of the cell. Identify the cell organelle, which is numbered 1.

(A) Nucleus

(B) Ribosome

(C) Mitochondria

(D) Endoplasmic reticulum

The Correct Answer is (A) Nucleus.

Which of the following cell organelles has a double-membrane?

(A) Ribosomes

(B) Lysosomes

(C) Mitochondria

(D) All of these

The Correct Answer is (C) Mitochondria

In the above-given cell diagram, number 6 is called the site of protein synthesis. Identify the cell organelle.

(A) Ribosomes

(B) Lysosomes

(C) Golgi bodies

(D) Mitochondria

The Correct Answer is (A) Ribosomes.

In the above-given cell diagram, numbered 4 is involved in cell secretion. Identify the cell organelle.

(A) Ribosomes

(B) Lysosomes

(C) Golgi bodies

(D) Mitochondria

The Correct Answer is (C) Golgi bodies

This cell organelle is called the powerhouse of the cell. Identify the cell organelle, which is numbered 5.

(A) Nucleus

(B) Ribosome

(C) Mitochondria

(D) Endoplasmic reticulum

The Correct Answer is (C) Mitochondria

In the above-given cell diagram, numbered 9 shows fluid behaviour due to the mosaic of lipid and protein. Identify the cell organelle.

(A) Cell membrane

(B) Golgi apparatus

(C) Mitochondria

(D) None of these

The Correct Answer is (A) Cell membrane

The largest organelles in the animal cell is ________.

(A) Mitochondria

(B) Cell membrane

(C) Golgi apparatus

(D) Endoplasmic reticulum

The Correct Answer is (A) Mitochondria.

In the above-given cell diagram, numbered 1 was first described by Robert Brown. Identify the cell organelle.

(A) DNA

(B) Nucleus

(C) Cell membrane

(D) Golgi apparatus

The Correct Answer is (B) Nucleus.

Which of the following cell organelles possess their own nucleic acid?

(A) Mitochondria

(B) Cell membrane

(C) Golgi apparatus

(D) Endoplasmic reticulum

The Correct Answer is (A) Mitochondria

This is the site where all metabolic reactions take place. Identify the cell organelle, which is numbered 3.

(A) Lysosomes

(B) Cytoplasm

(C) Ribosomes

(D) Mitochondria

The Correct Answer is (B) Cytoplasm.

This cell organelle is called the sorting of the cell. Identify the cell organelle, which is numbered 4.

(A) Nucleus

(B) Ribosome

(C) Mitochondria

(D) Golgi apparatus

The Correct Answer is (D) Golgi apparatus

This is the region between the cell membrane and nuclear membrane. Identify the cell organelle, which is numbered 3.

(A) Lysosomes

(B) Cytoplasm

(C) Ribosomes

(D) Mitochondria

The Correct Answer is (B) Cytoplasm

This is the site where all ETC – Electron Transport Chain occurs. Identify the cell organelle, which is numbered 5.

(A) Lysosomes

(B) Cell membrane

(C) Mitochondria

(D) Golgi apparatus

The Correct Answer is (C) Mitochondria.

Which of the following is the non-membrane bound organelle, found only in an animal cell?

(A) Sphaerosome

(B) Glyoxisome

(C) Centriole

(D) Peroxisome

The correct answer is Answer: (C) Centriole

Which of these cell organelles is responsible to extract energy from carbohydrates to form ATP?

(A) Ribosome

(B) Lysosome

(C) Chloroplast

(D) Mitochondrion

The correct answer is Answer: (D) Mitochondrion

Which of the following cell organelles lack DNA?

(A) Nucleus

(B) Lysosomes

(C) Chloroplast

(D) Mitochondria

The correct answer is Answer: (B) Lysosomes

Which of the following cell organelles controls the entry and exit of molecules to and from the cell?

(A) Lysosomes

(B) Golgi bodies

(C) Cell membrane

(D) Mitochondria

The correct answer is Answer: (C) Cell membrane.

Which of the following cell organelles is involved in the breakdown of organic matter?

(A) Lysosomes

(B) Cytoplasm

(C) Golgi bodies

(D) Mitochondria

The correct answer is Answer:(A) Lysosomes.

Cell theory was proposed by ____________

(A) Virchow

(B) McClintock

(C) Robert Hooke

(D) Schleiden and Schwann

The correct answer is Answer: (D) Schleiden and Schwann

Which of the following is a single membrane-bound organelle?

(A) Vacuole

(B) Golgi Apparatus

(C) Endoplasmic Reticulum

(D) All of the above

The correct answer is Answer: (D) All of the above.

Which of the following cell organelles is present in animal cells and absent in plant cells?

(A) Nucleus

(B) Centrosome

(C) Golgi bodies

(D) All of the above

The correct answer is Answer: (B) Centrosome.

Which of the following cell organelles is a single membrane-bound organelle?

(A) Chloroplast

(B) Mitochondria

(C) Endoplasmic Reticulum

(D) All of the above

The correct answer is Answer: (C) Endoplasmic Reticulum

Which of the following statements is true about the Golgi bodies?

(A) It is a sac-like organelle

(B) It is located near the nucleus

(C) It helps in transporting the particles throughout the cell.

(D) All of the above

The correct answer is Answer:(D) All of the above

Which of the following statements is true about the Nucleus?

(A) It is absent in prokaryotes

(B) It is called the brain of the cell

(C) It contains DNA and other genetic materials.

(D) All of the above

The correct answer is Answer:(D) All of the above

Stay tuned to BYJU’S Biology for more MCQs on cell organelles and other Biology related topics.

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