Cell : The Unit of Life — practice questions
90 curated practice questions from Cell : The Unit of Life (Biology NEET, NTA Exams) — 44 easy, 16 medium, 30 hard. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Steroid hormones can easily pass through the plasma membrane by simple diffusion because they:
- The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are:
- Given below are two statements: Statement I: A cell from flight muscle of an insect and a cell from human liver would…
- Cry gene, which synthesizes crystal protein is isolated from:
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Which is correct feature of metacentric chromosomes Arms of equal length V shaped at the time of cell division X shaped…
- Mitochondrial DNA is similar to nuclear DNA of prokaryotes, in having:
- Arrange the cells in increasing order of size Human RBC Bacteria Mycoplasma Ostrich egg
- Which antibiotic inhibits peptide bond formation [ Bihar CECE 2006]
- Site of Krebs cycle and ATP synthesis in prokaryotes is:
- Which feature is common in Prokaryotes and many Eukaryotes
- Which of the following terms is used to describe the component isolated from a plant, for in vitro culturing in the…
- A plant cell has potential to develop into a full plant. This is called:
- Which structure is equivalent to mitochondria in bacteria?
- What is the criterion for DNA fragments movement on agarose gel during gel electrophoresis?
- Following is a diagrammatic representation of maturation of insulin. Select the correct set of the names labelled A, B…
- The ability of a cell to grow into a complete plant is called:
- Part of the vegetatively propagated plant which is cultured to obtain virus free clones is:
- What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
- The enzymes present in the inner membrane of mitochondria are:
- Three of the following statements regarding cell organelles are correct while one is wrong. Select the wrong statement?
- The lactose present in the growth medium of bacteria is transported to the cell by the action of
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Four healthy people in their twenties got involved in injuries resulting in the damage and death of a few cells of the…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Prokaryotic and eukaryotic cells differ mainly with respect to the:
- The function of rough endoplasmic reticulum is synthesis of:
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- From the statements given below choose the correct option: I. Chloroplasts contain chlorophyll and carotenoids II…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Which of the following statements is/are correct about vacuoles? I. Plant cell vacuoles can occupy up to 90% of cell…
- Which of the following is present on the walls of rough endoplasmic recticulum (RER)?
- Which of the following is not a feature of the plasmids [NCERT Pg. No. 164] [NEET (Phase-I) 2016]
- Chloroplast and mitochondria arise from the same entity because they have similarity in having:
- Given below are two statements: Statement I : Glycocalyx could be in the form of slime layer and capsule. Statement II…
- Find the INCORRECT statements: Prokaryotic flagella have a 9+2 microtubule arrangement. Eukaryotic chromosomes are…
- What is the scientific principle involved in electron microscope?
- Given below are four statements pertaining to separation of DNA fragments using Gel electrophoresis. Identify the…
- For cells actively involved in protein synthesis, there will be
- The nucleus is separated from surrounding cytoplasm by nuclear envelope, which is:
- Which common feature do plant sieve tube cell and mammalian erythrocytes have
- Given below are two statements: Statement I : In ATP Synthase, F1 is peripheral membrane protein which is the site of…
- Which of the following organelle lacks lipoprotein covering?
- Lipid molecules in plasma membrane are arranged in which manner?
- Hybridoma cells are [CBSE PMT 1999]
- Why can’t insulin be given orally to diabetic patients [NEET 2025]
- Plants can be more rapidly manipulated by genetic engineering than animals because:
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- In Amoeba proteus, which of the following is responsible for controlling the cytoplasmic osmolarity?
- The main organelle involved in modification and routing of newly synthesized proteins to their destination is:
- In Agarose Gel electrophoresis used for separation of DNA fragments
- A major breakthrough in the study of cells came with the development of electron microscope because:
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Which of the following cell structures are correctly matched with the accompanying description?
- In gel electrophoresis, what causes DNA fragments to get separated to different extents?
- Find the INCORRECT statements: Gram-positive bacteria lack an outer glycocalyx layer. Mesosomes in prokaryotes are…
- Find the CORRECT statements: Mycoplasmas are the largest known cells. Nerve cells are among the longest cells in…
- The crops engineered for glyphosate are resistant/tolerant to:-
- Given below are two statements: Statement I : Anti-sense technology uses RNAi to control nematode. Statement II …
- Given below are two statements. One is labeled as Assertion and the other is labeled as Reason. STATEMENT - 1…
- Which of the following rRNAs acts structural RNA as well as ribozyme in bacteria?
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Genes present in the cytoplasm of eukaryotic cells, are found in:
- Find the INCORRECT statements: Cholesterol is a major lipid component of the plasma membrane. Peripheral proteins span…
- What is true about Bt toxin [NCERT Pg. No. 178] [CBSE PMT 2009; AIPMT (Cancelled) 2015]
- Which organelle is found in a few lower plants but present in all animals
- Which of the following is responsible for the origin of lysosome?
- Fruits and flowers gain their orange and yellow colors through:
- Study related with structure and function of cells is called:
- Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A) …
- Tomatoes, carrots and chillies are red in colour due to presence of
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Given below are two statements: Statement I : Tails of lipids are hydrophobic and non-polar. Statement II : They are…
- Cell organelle where both electron transport chain and oxidative phosphorylation takes place is:
- Plastids differ from mitochondria, in which of these features
- Which of the following chiefly regulates the osmotic expansion of a cell kept in water?
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A)…
- It is now possible to breed plants and animals with desired characters through [NCERT Pg. No. 163, 164] [KCET 1994; BHU…
- Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion…
- Given below are two statements: Statement I : Just like cells, semi-autonomous organelles are formed by the division of…
- ________________ is responsible for enzyme transport, mechanical support and protein synthesis.
- Given below are two statements: Statement I : As organism progressed during evolution, cytoplasm became…
- Given below are two statements. One is labelled as Assertion and the other is labelled as Reason. STATEMENT - 1…
- Which substance can pass through PM by facilitated transported
- Which statement correctly justifies calling, mitochondria powerhouse of the cell?
- Which of the following cell organelles is related to respiration?
- Which is important site for formation of Glycoproteins and Glycolipids
- Find the INCORRECT statements: Simple diffusion requires ATP hydrolysis. Polar molecules cross membranes via carrier…