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Maharashtra State BoardSSC (English Medium) 10th Standard

Genetic recombination occurs in ______ phase of prophase of meiosis-I.

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Question

Genetic recombination occurs in ______ phase of prophase of meiosis-I.

Fill in the Blanks
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Solution

Genetic recombination occurs in pachytene phase of prophase of meiosis-I.

Explanation:

Genetic recombination occurs when genetic material is exchanged between two different chromosomes or between different regions within the same chromosome.

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Chapter 2: Life Processes in living organisms Part -1 - Exercises [Page 21]

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Balbharati Science and Technology 2 [English] Standard 10 Maharashtra State Board
Chapter 2 Life Processes in living organisms Part -1
Exercises | Q 1.3 | Page 21

RELATED QUESTIONS

The diagram given below represents a certain stage of mitosis: 

  1. Identify the stage of cell division.
  2. Name the parts labelled A and B.
  3. What is the unique feature observed in this stage?
  4. How many daughter cells are formed from this type of cell division?

The diagram given below represents a stage during cell division.

Study the same and answer the questions that follow:

  1. Identify whether it is a plant cell or an animal cell. Give a reason in support of your answer.
  2. Name the stage depicted in the diagram. What is the unique feature observed in this stage?
  3. Name the type of cell division that occurs during:
    1. Replacement of old leaves by new ones
    2. Formation of gametes
  4. What is the stage that comes before the stage shown in the diagram?
  5. Draw a neat, labelled diagram of the stage mentioned in (iv) above keeping the chromosome number constant.

The diagram below represents a stage during cell division. Study the same and then answer the questions that follow: 

 

  1. Name the parts labelled 1, 2, and 3.
  2. Identify the above stage and give a reason to support your answer.
  3. Mention where in the body this type of cell division occurs.
  4. Name the stage prior to this stage and draw a diagram to represent the same.

Fill in the blank and explain the statement.

For formation of plasma membrane, ____________ molecules are necessary.


With the help of suitable diagrams, explain the five stages of prophase-I of meiosis.


Where does mitosis occur?

Define the following:

Karyokinesis


The diagram given alongside represents a stage in cell division.
Study the same and answer the questions that follow:

(i) Identify the stage of cell division.
(ii) Name the parts labeled A,B,C and D.
(iii) What is the unique feature observed in this stage?
(iv) Where does this type of cell division usually occur?
(v) How many daughter cells are formed from this type of cell division?
(vi) Is the dividing cell shown a plant or an animal cell?
Give a reason to support your answer.


Choose the correct answer:
Nuclear membrane reappears in ____________


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(i) Name the stage,
(ii) Label the parts 1 to 4
(iii) How many chromosomes are shown here?


Explain the Term Pachytene


Name the following:

Mitosis takes place in which cells.


Name the Following

The stage when chromosomes arrange at the equator.


Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:

The alkaloid colchicine inhibits the formation of the mitotic spindle.


Multiple Choice Question:

Karyokinesis is the division of


Multiple Choice Question:

The nuclear membrane disappears in


Multiple Choice Question:

The nuclear membrane and nucleolus become indistinguishable during


During Mitosis what is the position of chromatids in the anaphase?


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