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Cell Structure and Function

Covers cell organelles, their structure, function, and discovery. Topics include mitochondria, chloroplasts, ribosomes, nuclei, membranes, and plant/prokaryotic cell characteristics.

20 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following organisms do not have mitochondria?
(1) Green algae (2) Bacteria
(3) Fungal cells (4) RBC of mammals

  1. 1 and 2 only
  2. 2 and 3 only
  3. 2 and 4 only
  4. 1, 2, and 3 only
  5. All of the above
Question 2 Multiple Choice (Single Answer)

Which of the following is not correctly matched?

  1. Photorespiration - Peroxisome
  2. ATP Synthesis - Ribosome
  3. Production of ribosomal subunits - Nucleolus
  4. Maintaining structure of the cell - Microtubules
  5. Increasing surface area of plasma membrane - Mesosome
Question 3 Multiple Choice (Single Answer)

Which of the following are semi-autonomous organelles?

  1. Mitochondria and golgi apparatus
  2. Chloroplast and mitochondria
  3. Golgi apparatus and lysosomes
  4. Chloroplast and golgi apparatus
  5. Mitochondria and lysosomes
Question 4 Multiple Choice (Single Answer)

Which of the following cell organelle was discovered by Altman?

  1. Chondriosome
  2. Centrosome
  3. Microtubule
  4. Vacuoles
  5. All of the above
Question 5 Multiple Choice (Single Answer)

Which of the following statement is incorrect?

  1. Acrosomes are produced by Golgi complex.
  2. The principal protein of cilia and flagella is globulin.
  3. Centrosome is responsible for initiation of cell division.
  4. The site for detoxification reaction in liver is SER.
  5. Cellular organelles containing hydrolytic enzymes are lysosomes.
Question 6 Multiple Choice (Single Answer)

Tonoplasts are ___________.

  1. cellular organelles that contain acid hydrolase enzymes that break down waste materials and cellular debris
  2. aggregation of several ribosomes held together by a single strand of m-RNA
  3. differentially permeable membranes surrounding the vacuole
  4. transmembrane glycoproteins, which are located in the membrane of the rough endoplasmic reticulum
  5. the part of a cell that helps to organize microtubules and are involved in mitosis
Question 7 Multiple Choice (Single Answer)

Transcription occurs in ___________.

  1. heterochromatin
  2. euchromatin
  3. nuclear envelope
  4. nuclear pore
  5. nucleolus
Question 8 Multiple Choice (Single Answer)

Which of the following statements is FALSE regarding mitochondria?

  1. Mitochondria are cell organelles with electrons transport system.
  2. Solar energy is converted into ATP in mitochondria.
  3. Syntesis of ATP in mitochondria takes place at the cristae.
  4. The enzymes for Kreb’s cycle in mitochondria are located in perimitochondrial space.
  5. Mitochondria are yellow in colour due to presence of riboflavin.
Question 9 Multiple Choice (Single Answer)

Which of the following are not true for ribosomes?
(1) Discovered by Palade
(2) Negatively charged particles
(3) Single membrane bounded cell organelle
(4) Site for fat synthesis

  1. 1 and 2 only
  2. 1 and 3 only
  3. 2 and 3 only
  4. 2 and 4 only
  5. 3 and 4 only
Question 10 Multiple Choice (Single Answer)

Fluid mosaic model of cell membrane is given by ____________.

  1. Plowe
  2. Nageli and Cramer
  3. Davson and Danielli
  4. Robertson
  5. Singer and Nicolson
Question 11 Multiple Choice (Single Answer)

Which of the following is a set of cell components without membrane?

  1. Endoplasmic Reticulum, Golgi complex, Lysosome
  2. Ribosome, Nucleolus, Chromosome
  3. Lysosome, Ribosome, Chromosome
  4. Nucleolus, Endoplasmic Reticulum, Golgi complex
  5. Ribosome, Nucleolus, Lysosome
Question 12 Multiple Choice (Single Answer)

Which of the following is the wrong statement?

  1. ER is attached with nuclear membrane.
  2. The strength and rigidity of cell wall is due to cellulose.
  3. Enzymes found in lysosomes are hydrolytic enzymes.
  4. Steroidal hormone is synthesized by smooth ER.
  5. Aleuroplasts are protein storage plastids.
Question 13 Multiple Choice (Single Answer)

Consider the following statements regarding plant cell. Which of the following is/are false?

  1. Plant cells have a rigid cell wall on the outside.
  2. Spindle formed during nuclear division is amphistral.
  3. Reserve food material is generally starch.
  4. Plastids are usually absent.
  1. 1 and 2 only
  2. 1 and 3 only
  3. 2 and 3 only
  4. 2 and 4 only
  5. 2, 3, and 4 only
Question 14 Multiple Choice (Single Answer)

Lysosomes and vesicles originate from __________.

  1. smooth ER
  2. rough ER
  3. Golgi apparatus
  4. Mitochondria
  5. Nucleus
Question 15 Multiple Choice (Single Answer)

Which of the following is not a common feature of both mitochondria and chloroplasts?

  1. Semi-autonomous organelles
  2. Enveloped by two unit membranes
  3. Presence of thylakoid membranes
  4. Presence of circular DNA and three types of DNA
  5. Energy transducing organelles
Question 16 Multiple Choice (Single Answer)

Consider the following statements regarding eukaryotic cells. Which of the following is/are incorrect?

  1. Transcription occurs in nucleus while translation takes place in cytoplasm.
  2. Nuclear DNA is circular while extranuclear DNA is linear.
  3. Endoplasmic reticulum and Golgi bodies are absent.
  1. 1 only
  2. 1 and 2 only
  3. 1 and 3 only
  4. 2 and 3 only
  5. All of the above
Question 17 Multiple Choice (Single Answer)

All of the following are parts of prokaryotic cells, except _________.

  1. mitochondria
  2. plasmids
  3. ribosomes
  4. vacuoles
  5. vesicles
Question 18 Multiple Choice (Single Answer)

Which of the following are double membrane bounded cell organelles?

  1. Golgi complex, Vacuole, Nucleus
  2. Centriole, Vacuole, Chloroplast
  3. Nucleus, Mitochondria, Chloroplast
  4. Centrosome, Centriole, Nucleolus
  5. Mitochondria, Centrosome, Golgi complex
Question 19 Multiple Choice (Single Answer)

Which of the following pairs of ‘cell organelle and discoverer’ is not correct?

  1. Ribosome – Palade
  2. Lysosome – Duve
  3. Centrosome – Boveri
  4. Nucleolus – Robert Brown
  5. Golgi apparatus – Camillo Golgi
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