Given below are three diagrammatic sketches (A, B and C) of one and the same particular phase during mitotic type of cell division. [5 MARKS]

(a) Identify the phase. ...............
(b) What is the diploid number of chromosomes shown in them?
(c) Identify whether these are animal cells or plant cells?
A ...................................................................
B ...................................................................
C ...................................................................
(d) Which of these is/are shown in the correct direction? (Tick mark the correct answer)
(i) Only A
(ii) Only B
(iii) Only A and C
(iv) All the three

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Solution

a) 1 Mark
b) 1 Mark
c) 2 Marks
d) 1 Mark

(a) The phase shown in the images is Metaphase.
(b) 4 chromosomes are shown in them.
(c) (A) Animal cell
(B) Animal cell
(C) Plant cell
(d) (iv) All the three are shown in the correct direction.

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Similar questions

Given below are the sketches of two types of cells A and B

(a) Which one of these is a plant cell? Give reason in support of your answer.
(b) List the cell structures which are common to both the types.
(c) Name the structures found only in plant cells and those found only in animal cells.

Q. Given below is a diagram representing a stage during mitotic cell division. Study it carefully and answer the following questions.
(i) Is it a plant cell or an animal cell ? Give a reason to support your answer.
(ii) Identify the stage shown.
(iii) Name the stage that follows the one shown here. How is that stage identified?
(iv) How will you differentiate between mitosis and meiosis on the basis of the chromosome number in the daughter cells?
(v) Draw a duplicated chromosome and label its parts.

Given below is a diagram representing a stage during mitotic cell division in an animal cell. Examine it carefully and answer the questions which follow.
(a) Identify the stage. Give one reason in support of your answer.
(b) Name the cell organelle that forms the 'aster'.
(c) Name the parts labelled 1, 2 and 3.
(d) Name the stage that follows the one shown here. How is that stage identified?
(e) Mention two differences between mitosis and meiosis with regard to :
(i) The number of daughter cells produced.
(ii) The chromosome number in the daughter cells.

Q. Mention whether the following statements are True or False. Give reason in support of your answer. [5 MARKS]
(a) As you grow from childhood to adulthood, your skin cells divide only to replace such cells that are lost from the surface.
(b) The unfertilized human egg has half the number of chromosomes of the body cells.
(c) Nuclear membrane in a mitotically dividing cell remains intact up to the metaphase and disappears only in telophase.
(d) Mitotic cell division can be a mode of reproduction.
(e) Crossing-over between chromatids can occur only between homologous chromosomes.

The diagram give 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 labelled 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.
Figure

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a) 1 Mark b) 1 Mark c) 2 Marks d) 1 Mark (a) The phase shown in the images is Metaphase. (b) 4 chromosomes are shown in them. (c) (A) Animal cell (B) Animal cell (C) Plant cell (d) (iv) All the three are shown in the correct direction.

a) 1 Mark
b) 1 Mark
c) 2 Marks
d) 1 Mark

(a) The phase shown in the images is Metaphase.
(b) 4 chromosomes are shown in them.
(c) (A) Animal cell
(B) Animal cell
(C) Plant cell
(d) (iv) All the three are shown in the correct direction.