1:   Enzymes are regarded as ---- catalysts.
Options:
  1. abiological
  2. biological
  3. essential
  4. true

Answer: Option 2

Explanation:

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2:   The molecules on which an enzyme act is called
Options:
  1. reactant
  2. substrate
  3. initiator
  4. none of these

Answer: Option 2

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3:   The enzymes which act within the cells in which these are produced are called
Options:
  1. true enzymes
  2. exo enzymes
  3. endoenzymes
  4. false enzymes

Answer: Option 3

Explanation:

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4:   The inhibition of enzyme action by the end product is called
Options:
  1. feed back inhibition
  2. active inhibition
  3. passive inhibition
  4. essential inhibition

Answer: Option 1

Explanation:

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5:   Number of mitotic divisions required to produce 128 cells from a single cell
Options:
  1. 7
  2. 5
  3. 6
  4. 4

Answer: Option 1

Explanation:

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6:   G0 stage of cell denotes
Options:
  1. exit of cell from cell cycle
  2. checkpoint before entering next phase
  3. death of cell
  4. none of these

Answer: Option 1

Explanation:

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7:   In plant cells, cytokinesis occur by
Options:
  1. cell plate
  2. invagination
  3. furrowing
  4. none of these

Answer: Option 1

Explanation:

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8:   Name the stage of mitosis in which chromosomes are arranged on the equator of spindle
Options:
  1. anaphase
  2. metaphase
  3. prophase
  4. telophase

Answer: Option 2

Explanation:

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9:   During cell cycle, RNA and proteins are synthesized in ----- phase
Options:
  1. S
  2. G1
  3. G2
  4. both 2 and 3

Answer: Option 4

Explanation:

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10:   When synapsis is complete all along the chromosomes, the cell is said to have entered a stage called
Options:
  1. diakinesis
  2. diplotene
  3. pachytene
  4. zygotene

Answer: Option 1

Explanation:

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