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NEET UG Cell: Structure and Functions — practice questions

Explore 36 free Cell: Structure and Functions questions in NEET UG Science. Open each question or exercise to read its content, reference answers and available explanation.

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Cell: Structure and Functions questions and exercises with answers

Showing questions 1–30 of 36.

The 'large holes' in Swiss cheese are produced by:Read the answer and worked solution →'Toddy' — a traditional fermented drink of southern India — is made from:Read the answer and worked solution →Among the following beverages, which is produced WITHOUT distillation?Read the answer and worked solution →Citric acid is produced industrially by:Read the answer and worked solution →Production of acetic acid (vinegar) industrially uses:Read the answer and worked solution →The cell cycle is conventionally divided into:Read the answer and worked solution →DNA replication occurs during which phase?Read the answer and worked solution →Mitosis produces:Read the answer and worked solution →Meiosis is the type of cell division that produces:Read the answer and worked solution →The phases of mitosis in correct order are:Read the answer and worked solution →At the end of S phase, each chromosome consists of:Read the answer and worked solution →The five sub-stages of prophase I of meiosis are:Read the answer and worked solution →In meiosis, the homologous chromosomes separate during:Read the answer and worked solution →During metaphase, chromosomes align at the:Read the answer and worked solution →In G2 of interphase, DNA content per cell relative to G1 is:Read the answer and worked solution →The synaptonemal complex is formed during:Read the answer and worked solution →A diploid cell with 2n = 8 undergoes meiosis. Number of chromosomes in each daughter cell after meiosis II completion:Read the answer and worked solution →Number of bivalents (paired homolog pairs) at metaphase I of a cell with 2n = 12:Read the answer and worked solution →DNA content at various cell cycle phases (C = haploid DNA content):Read the answer and worked solution →A feature common to plant sieve-tube cells and mature mammalian RBCs isRead the answer and worked solution →The 'powerhouse of the cell' is theRead the answer and worked solution →A feature common to prokaryotes and many eukaryotes (e.g. plants, fungi) isRead the answer and worked solution →Which organelle is the site of protein synthesis?Read the answer and worked solution →According to the fluid-mosaic model, the cell membrane is composed mainly ofRead the answer and worked solution →Which is absent in a prokaryotic cell?Read the answer and worked solution →Genetic material in a eukaryotic cell is primarily located in theRead the answer and worked solution →The cell theory was NOT proposed byRead the answer and worked solution →Which cell organelle contains hydrolytic enzymes for intracellular digestion?Read the answer and worked solution →Plant cells differ from animal cells in havingRead the answer and worked solution →The endoplasmic reticulum studded with ribosomes is calledRead the answer and worked solution →

Worked practice questions

The 'large holes' in Swiss cheese are produced by:

  1. Air injected during manufacture
  2. CO₂ released during fermentation by Propionibacterium sharmanii
  3. Lactic acid bubbles
  4. Penicillium roqueforti
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Correct answer: B. CO₂ released during fermentation by Propionibacterium sharmanii

**Swiss cheese holes** = CO₂ produced by **Propionibacterium sharmanii** during fermentation. **Roquefort cheese** is distinct — ripened by the fungus *Penicillium roqueforti* growing on it (gives the blue veins + flavour).

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'Toddy' — a traditional fermented drink of southern India — is made from:

  1. Soybean curd
  2. Fermented milk
  3. Distilled rice wine
  4. Sap of palms — fermented by yeast
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Correct answer: D. Sap of palms — fermented by yeast

**Toddy** = traditional fermented drink in south India, made by **fermenting the sap of palms**. Your syllabus explicitly mentions toddy as a household-scale fermented beverage.

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Among the following beverages, which is produced WITHOUT distillation?

  1. Wine and beer (only fermentation; no distillation)
  2. Rum
  3. All require distillation
  4. Whisky and brandy
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Correct answer: A. Wine and beer (only fermentation; no distillation)

**Wine and beer** = produced by fermentation **without distillation**. **Whisky, brandy, and rum** = produced by **distillation** of the fermented broth (higher alcohol content).

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