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CBSE
Class 11
Biotechnology
Biotechnology
Cellular Organelles
Question Bank

Question Bank - Cellular Organelles

Practice Hub

Question Bank: Cellular Organelles

This chapter explores cellular organelles, their structure, and functions essential to life processes.

Structured practice

Question Bank - Cellular Organelles

Q1.

What organelles are included in the endomembrane system?

Single Answer MCQ
Q-00068298
View explanation
Q2.

Which organelle is responsible for the synthesis of lipids?

Single Answer MCQ
Q-00068299
View explanation
Q3.

What is the main function of the Golgi apparatus?

Single Answer MCQ
Q-00068300
View explanation
Q4.

What type of endoplasmic reticulum is involved in protein synthesis?

Single Answer MCQ
Q-00068301
View explanation
Q5.

Which of the following is the main function of lysosomes?

Single Answer MCQ
Q-00068302
View explanation
Q6.

What distinguishes rough ER from smooth ER?

Single Answer MCQ
Q-00068303
View explanation
Q7.

How do the components of the endomembrane system interact?

Single Answer MCQ
Q-00068304
View explanation
Q8.

What is the role of vesicles in the endomembrane system?

Single Answer MCQ
Q-00068305
View explanation
Q9.

Which is a key feature of lysosomes?

Single Answer MCQ
Q-00068306
View explanation
Q10.

What type of cells contain the endomembrane system?

Single Answer MCQ
Q-00068307
View explanation
Q11.

What role do ribosomes play in rough endoplasmic reticulum?

Single Answer MCQ
Q-00068308
View explanation
Q12.

Which part of the endomembrane system is primarily involved in modifying and packaging proteins?

Single Answer MCQ
Q-00068309
View explanation
Q13.

Which type of endoplasmic reticulum is involved in detoxifying certain chemicals?

Single Answer MCQ
Q-00068310
View explanation
Q14.

What is the significance of the structure of the Golgi apparatus?

Single Answer MCQ
Q-00068311
View explanation
Q15.

Which type of plastid is primarily responsible for the storage of starch?

Single Answer MCQ
Q-00068312
View explanation
Q16.

What pigment do chloroplasts primarily contain?

Single Answer MCQ
Q-00068313
View explanation
Q17.

Which plastids are responsible for giving color to fruits and flowers?

Single Answer MCQ
Q-00068314
View explanation
Q18.

Which of the following is NOT a function of plastids?

Single Answer MCQ
Q-00068315
View explanation
Q19.

Which plastid type is found in all plant cells and is essential for photosynthesis?

Single Answer MCQ
Q-00068316
View explanation
Q20.

What is the main function of leucoplasts in plant cells?

Single Answer MCQ
Q-00068317
View explanation
Q21.

Which type of pigment do chromoplasts primarily store?

Single Answer MCQ
Q-00068318
View explanation
Q22.

What type of plastid would be most abundant in a ripening fruit?

Single Answer MCQ
Q-00068319
View explanation
Q23.

Which plastids are primarily involved in the synthesis of terpenes?

Single Answer MCQ
Q-00068320
View explanation
Q24.

Which of the following is true about plastids?

Single Answer MCQ
Q-00068321
View explanation
Q25.

The green pigment involved in capturing light energy during photosynthesis is found in which structure?

Single Answer MCQ
Q-00068322
View explanation
Q26.

What type of plastid helps in the formation of essential oils in plants?

Single Answer MCQ
Q-00068323
View explanation
Q27.

Which function is characteristic of elaioplasts?

Single Answer MCQ
Q-00068324
View explanation
Q28.

Which pigment is primarily responsible for the color of carrots?

Single Answer MCQ
Q-00068325
View explanation
Q29.

What structure inside chloroplasts is responsible for the light-dependent reactions of photosynthesis?

Single Answer MCQ
Q-00068326
View explanation
Q30.

Which of the following organisms has a cell wall?

Single Answer MCQ
Q-00068327
View explanation
Q31.

What is the main component of the bacterial cell wall?

Single Answer MCQ
Q-00068328
View explanation
Q32.

Which type of bacteria has a thicker cell wall?

Single Answer MCQ
Q-00068329
View explanation
Q33.

What is the primary function of the cell wall in plants?

Single Answer MCQ
Q-00068330
View explanation
Q34.

In which of the following organisms is cellulose a component of the cell wall?

Single Answer MCQ
Q-00068331
View explanation
Q35.

What role does the cell wall play regarding osmotic pressure?

Single Answer MCQ
Q-00068332
View explanation
Q36.

Which polysaccharide is primarily found in the cell wall of fungi?

Single Answer MCQ
Q-00068333
View explanation
Q37.

How does the primary cell wall differ from the secondary cell wall in plants?

Single Answer MCQ
Q-00068334
View explanation
Q38.

Which of the following statements about the cell wall is false?

Single Answer MCQ
Q-00068335
View explanation
Q39.

Gram-negative bacteria are characterized by which type of cell wall structure?

Single Answer MCQ
Q-00068336
View explanation
Q40.

Which substance primarily composes the secondary cell wall of plants?

Single Answer MCQ
Q-00068337
View explanation
Q41.

What role do turgor pressure and the cell wall play in plant cells?

Single Answer MCQ
Q-00068338
View explanation
Q42.

The cell wall can provide protection from which of the following?

Single Answer MCQ
Q-00068339
View explanation
Q43.

Which characteristic of the cell wall is primarily responsible for its rigidity?

Single Answer MCQ
Q-00068340
View explanation
Q44.

What is the primary function of mitochondria within eukaryotic cells?

Single Answer MCQ
Q-00068341
View explanation
Q45.

How do cell walls contribute to plant cell communication?

Single Answer MCQ
Q-00068342
View explanation
Q46.

Mitochondria have a double membrane. What is the significance of this structure?

Single Answer MCQ
Q-00068343
View explanation
Q47.

Which term describes the infoldings of the inner mitochondrial membrane?

Single Answer MCQ
Q-00068344
View explanation
Q48.

What is produced as a result of the electron transport chain in mitochondria?

Single Answer MCQ
Q-00068345
View explanation
Q49.

Mitochondria are involved in apoptosis. What does apoptosis refer to?

Single Answer MCQ
Q-00068346
View explanation
Q50.

In which type of cell would you expect to find a higher number of mitochondria?

Single Answer MCQ
Q-00068347
View explanation
Q51.

What is the role of mitochondrial DNA (mtDNA)?

Single Answer MCQ
Q-00068348
View explanation
Q52.

Which metabolic process takes place in the mitochondria?

Single Answer MCQ
Q-00068349
View explanation
Q53.

What is a common misconception about mitochondria?

Single Answer MCQ
Q-00068350
View explanation
Q54.

What is the relationship between cristae and ATP production?

Single Answer MCQ
Q-00068351
View explanation
Q55.

How do mitochondrial dysfunctions impact human health?

Single Answer MCQ
Q-00068352
View explanation
Q56.

Mitochondrial inheritance is described as maternal. What does this mean?

Single Answer MCQ
Q-00068353
View explanation
Q57.

What is the role of oxygen in mitochondrial function?

Single Answer MCQ
Q-00068354
View explanation
Q58.

What are the potential effects of mitochondrial toxins on cellular respiration?

Single Answer MCQ
Q-00068355
View explanation
Q59.

What distinguishes mitochondria from other organelles?

Single Answer MCQ
Q-00068356
View explanation
Q60.

What is the primary function of the cytoskeleton in a cell?

Single Answer MCQ
Q-00068357
View explanation
Q61.

Which of the following proteins primarily makes up microtubules?

Single Answer MCQ
Q-00068358
View explanation
Q62.

What is the diameter of actin filaments?

Single Answer MCQ
Q-00068359
View explanation
Q63.

Intermediate filaments are primarily involved in which function?

Single Answer MCQ
Q-00068360
View explanation
Q64.

Which component of the cytoskeleton is involved in muscle contraction?

Single Answer MCQ
Q-00068361
View explanation
Q65.

Microtubules are important for which cellular process?

Single Answer MCQ
Q-00068362
View explanation
Q66.

What characteristic feature distinguishes cilia from flagella?

Single Answer MCQ
Q-00068363
View explanation
Q67.

During which phase of the cell cycle do microtubules play a crucial role in cell division?

Single Answer MCQ
Q-00068364
View explanation
Q68.

Which of the following structures is responsible for providing motility to sperm cells?

Single Answer MCQ
Q-00068365
View explanation
Q69.

Which cytoskeletal component is primarily responsible for intracellular transport?

Single Answer MCQ
Q-00068366
View explanation
Q70.

Which characteristic of the cytoskeleton allows it to be dynamic and adaptable?

Single Answer MCQ
Q-00068367
View explanation
Q71.

What term describes the process by which microtubules are formed and disassembled?

Single Answer MCQ
Q-00068368
View explanation
Q72.

Which cytoskeletal component is primarily involved in the contraction of muscle cells?

Single Answer MCQ
Q-00068369
View explanation
Q73.

In the context of cell structure, what does the term 'cytoskeleton' imply?

Single Answer MCQ
Q-00068370
View explanation
Q74.

What primary component forms the structure of ribosomes?

Single Answer MCQ
Q-00068371
View explanation
Q75.

In eukaryotic cells, where are bound ribosomes typically found?

Single Answer MCQ
Q-00068372
View explanation
Q76.

What distinguishes rough endoplasmic reticulum from smooth endoplasmic reticulum?

Single Answer MCQ
Q-00068373
View explanation
Q77.

Which of the following organelles is primarily involved in protein synthesis?

Single Answer MCQ
Q-00068374
View explanation
Q78.

What is the role of ribosomes in the cell's secretory pathway?

Single Answer MCQ
Q-00068375
View explanation
Q79.

Which researcher's work significantly advanced the understanding of ribosome function in the secretory pathway?

Single Answer MCQ
Q-00068376
View explanation
Q80.

How do ribosomes contribute to the cell’s overall function?

Single Answer MCQ
Q-00068377
View explanation
Q81.

What would happen if ribosomes were non-functional in a cell?

Single Answer MCQ
Q-00068378
View explanation
Q82.

Which ribosomal subunit is larger in eukaryotic cells?

Single Answer MCQ
Q-00068379
View explanation
Q83.

Which location in the cell would you expect to find free ribosomes?

Single Answer MCQ
Q-00068380
View explanation
Q84.

Which type of ribosomes would synthesize proteins meant for secretion?

Single Answer MCQ
Q-00068381
View explanation
Q85.

What is the difference between prokaryotic and eukaryotic ribosomes?

Single Answer MCQ
Q-00068382
View explanation
Q86.

Which of the following incorrectly describes ribosomal function?

Single Answer MCQ
Q-00068383
View explanation
Q87.

How do ribosomes facilitate the process of translation?

Single Answer MCQ
Q-00068384
View explanation
Q88.

What is the primary structural difference between cilia and flagella?

Single Answer MCQ
Q-00068385
View explanation
Q89.

The arrangement of microtubules in a cilium or flagellum is known as what?

Single Answer MCQ
Q-00068386
View explanation
Q90.

Which of the following organisms typically uses flagella for locomotion?

Single Answer MCQ
Q-00068387
View explanation
Q91.

What is the typical size range for cilia?

Single Answer MCQ
Q-00068388
View explanation
Q92.

Which statement accurately describes the movement of cilia?

Single Answer MCQ
Q-00068389
View explanation
Q93.

Which structure is crucial for the assembly of cilia and flagella?

Single Answer MCQ
Q-00068390
View explanation
Q94.

Which feature distinguishes prokaryotic flagella from eukaryotic flagella?

Single Answer MCQ
Q-00068391
View explanation
Q95.

In which cellular location are cilia typically found?

Single Answer MCQ
Q-00068392
View explanation
Q96.

What is the main function of flagella in sperm cells?

Single Answer MCQ
Q-00068393
View explanation
Q97.

Which type of movement is exhibited by flagella?

Single Answer MCQ
Q-00068394
View explanation
Q98.

Microtubules in cilia and flagella are composed of which protein?

Single Answer MCQ
Q-00068395
View explanation
Q99.

Which type of cells relies heavily on cilia for removing mucus and debris?

Single Answer MCQ
Q-00068396
View explanation
Q100.

What kind of structural arrangement do eukaryotic flagella possess?

Single Answer MCQ
Q-00068397
View explanation
Q101.

Which of the following is NOT a characteristic of cilia?

Single Answer MCQ
Q-00068398
View explanation
Q102.

What is a similar structure to the cilia and flagella found in prokaryotic cells?

Single Answer MCQ
Q-00068399
View explanation
Q103.

The movement of cilia across the surface of cells is often referred to as what?

Single Answer MCQ
Q-00068400
View explanation
Q104.

What primary role do centrioles play in animal cells?

Single Answer MCQ
Q-00068401
View explanation
Q105.

How are centrioles arranged within the centrosome?

Single Answer MCQ
Q-00068402
View explanation
Q106.

During which phase of the cell cycle does the centrosome duplicate?

Single Answer MCQ
Q-00068403
View explanation
Q107.

What are the primary structural components of a centriole?

Single Answer MCQ
Q-00068404
View explanation
Q108.

What is the centrosome's role during mitosis?

Single Answer MCQ
Q-00068405
View explanation
Q109.

Which of the following statements is true about centrioles?

Single Answer MCQ
Q-00068406
View explanation
Q110.

What distinguishes the structure of centrioles in prokaryotic organisms from those in eukaryotic organisms?

Single Answer MCQ
Q-00068407
View explanation
Q111.

What type of material surrounds centrioles in a centrosome?

Single Answer MCQ
Q-00068408
View explanation
Q112.

How does the arrangement of centrioles differ from that of cilia and flagella?

Single Answer MCQ
Q-00068409
View explanation
Q113.

What cellular process involves the centrosome's function?

Single Answer MCQ
Q-00068410
View explanation
Q114.

During which cellular event do centrioles migrate to opposite poles?

Single Answer MCQ
Q-00068411
View explanation
Q115.

What are the centrioles primarily made up of?

Single Answer MCQ
Q-00068412
View explanation
Q116.

In which type of cell are centrioles not typically found?

Single Answer MCQ
Q-00068413
View explanation
Q117.

Which is a key role of the centrosome besides organizing microtubules?

Single Answer MCQ
Q-00068414
View explanation
Q118.

What condition might arise from improper centrosome function?

Single Answer MCQ
Q-00068415
View explanation
Q119.

Centrosomes play a pivotal role in which of the following?

Single Answer MCQ
Q-00068416
View explanation
Q120.

What is the primary function of the nucleus in a eukaryotic cell?

Single Answer MCQ
Q-00068417
View explanation
Q121.

What is the role of the nuclear envelope?

Single Answer MCQ
Q-00068418
View explanation
Q122.

Which of the following is NOT a component of the nucleus?

Single Answer MCQ
Q-00068419
View explanation
Q123.

What are nuclear pore complexes primarily responsible for?

Single Answer MCQ
Q-00068420
View explanation
Q124.

What substance is contained within the nucleoplasm?

Single Answer MCQ
Q-00068421
View explanation
Q125.

What type of cells contain a nucleus?

Single Answer MCQ
Q-00068422
View explanation
Q126.

Which structure supports the nucleus and maintains its shape?

Single Answer MCQ
Q-00068423
View explanation
Q127.

Which of the following accurately describes the relationship between the outer nuclear membrane and the endoplasmic reticulum?

Single Answer MCQ
Q-00068424
View explanation
Q128.

What is another name for the fluid contained in the nucleus?

Single Answer MCQ
Q-00068425
View explanation
Q129.

What is the basic unit of heredity found in chromosomes?

Single Answer MCQ
Q-00068426
View explanation
Q130.

Which of the following best describes the function of the nucleolus?

Single Answer MCQ
Q-00068427
View explanation
Q131.

How many pairs of chromosomes are found in human cells?

Single Answer MCQ
Q-00068428
View explanation
Q132.

During cell division, how does the nucleus behave?

Single Answer MCQ
Q-00068429
View explanation
Q133.

Which type of chromosome determines the sex of an individual?

Single Answer MCQ
Q-00068430
View explanation
Q134.

What mechanism does the nuclear pore complex use to transport molecules?

Single Answer MCQ
Q-00068431
View explanation
Q135.

During which phase of the cell cycle do chromosomes become visible under a microscope?

Single Answer MCQ
Q-00068432
View explanation
Q136.

What component of the nucleus regulates gene expression?

Single Answer MCQ
Q-00068433
View explanation
Q137.

What forms the structural unit of a chromosome?

Single Answer MCQ
Q-00068434
View explanation
Q138.

Which organism has the highest number of chromosomes based on the provided data?

Single Answer MCQ
Q-00068435
View explanation
Q139.

How does the chromosome structure vary during the cell cycle?

Single Answer MCQ
Q-00068436
View explanation
Q140.

Which scientist corrected the number of human chromosomes from 48 to 46?

Single Answer MCQ
Q-00068437
View explanation
Q141.

During which stage of meiosis do homologous chromosomes separate?

Single Answer MCQ
Q-00068438
View explanation
Q142.

What distinguishes autosomes from allosomes?

Single Answer MCQ
Q-00068439
View explanation
Q143.

In prokaryotic cells, where is the chromosome located?

Single Answer MCQ
Q-00068440
View explanation
Q144.

Which of the following best describes the appearance of chromosomes during metaphase?

Single Answer MCQ
Q-00068441
View explanation
Q145.

How many total chromosomes would a diploid organism have compared to its haploid number?

Single Answer MCQ
Q-00068442
View explanation
Q146.

What is the function of the nucleolus found within the nucleus?

Single Answer MCQ
Q-00068443
View explanation
Q147.

Which enzyme is involved in unwinding the DNA helix during replication?

Single Answer MCQ
Q-00068444
View explanation
Q148.

Why is genetic recombination important during meiosis?

Single Answer MCQ
Q-00068445
View explanation
Q149.

What is the primary function of the plasma membrane?

Single Answer MCQ
Q-00104262
View explanation
Q150.

Which of the following molecules can freely diffuse through the plasma membrane?

Single Answer MCQ
Q-00104264
View explanation
Q151.

What type of transport requires energy to move substances against their concentration gradient?

Single Answer MCQ
Q-00104266
View explanation
Q152.

Which of the following proteins helps in the facilitated diffusion of glucose across the plasma membrane?

Single Answer MCQ
Q-00104268
View explanation
Q153.

What is the role of cholesterol in the plasma membrane?

Single Answer MCQ
Q-00104270
View explanation
Q154.

What term describes the movement of water across the plasma membrane?

Single Answer MCQ
Q-00104272
View explanation
Q155.

Which of the following best describes the 'fluid mosaic model' of the plasma membrane?

Single Answer MCQ
Q-00104274
View explanation
Q156.

What do aquaporins facilitate in the plasma membrane?

Single Answer MCQ
Q-00104276
View explanation
Q157.

Which process describes the bulk transport of materials into a cell via vesicles?

Single Answer MCQ
Q-00104278
View explanation
Q158.

The sodium-potassium pump is an example of which type of transport?

Single Answer MCQ
Q-00104280
View explanation
Q159.

Which structure is primarily responsible for maintaining the shape of plant cells?

Single Answer MCQ
Q-00104282
View explanation
Q160.

What type of membrane transport does not require cellular energy?

Single Answer MCQ
Q-00104284
View explanation
Q161.

What kind of molecules typically require carrier proteins for transport across the plasma membrane?

Single Answer MCQ
Q-00104285
View explanation
Q162.

While glucose transport occurs through facilitated diffusion, what would happen if glucose levels were higher inside the cell?

Single Answer MCQ
Q-00104286
View explanation
Q163.

What feature distinguishes the plasma membrane of prokaryotic cells from eukaryotic cells?

Single Answer MCQ
Q-00104287
View explanation
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