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Byju's Answer

Standard X

Biology

Nerve Impulse Conduction

Which of the ...

Question

Which of the following option is correct for statement 'X' and 'Y'?
Statement X: Immediately after repolarisation, ionic imbalance is created on both the sides of nerve fibre.
Statement Y: During repolarisation $K^{+}$ ion channel open up and $K^{+}$ ion moves on inner side of plasma membrane.

Statements X and Y are correct and Y is not correct for X

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Statements X and Y are correct and Y is correct for X

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Statements X is correct and statement Y incorrect

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Statement X is incorrect and statement Y is correct.

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Solution

The correct option is C Statements X is correct and statement Y incorrect
Out of the statements given about membrane potential in the question, statement X is correct, while statement Y is wrong because during repolarisation $K^{+}$ ion channel opens up due to which $K^{+}$ ion moves to the outer side of the plasma membrane and the influx of $N a^{+}$ ion get stopped.

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Similar questions

Q. Which of the following option is correct for statement 'X' and 'Y'?
Statement X: Immediately after repolarisation, ionic imbalance is created on both the sides of nerve fibre.
Statement Y: During repolarisation

K^{+}

ion channel open up and

K^{+}

ion moves on inner side of plasma membrane.

Q. Which of the following option is correct for the statement X and Y?

Statement X- Immediately after repolarisation, ionic imbalance is created on both the sides of nerve fibre.
Statement Y- During repolarisation

K^{+}

ion channel open up and

K^{+}

ion moves on innerside of plasma membrane.

Q. For the body shown in the figure:

Statement

1 : I_{z} = I_{x} + I_{y}

Statement

2 : I_{x} = I_{z} + I_{y}

and

I_{y} = I_{x} + I_{z}

where

x

y

and

z

are the axes of rotation of the body.
Choose the correct option.

pH of a solution X is 13 and pH of another solution Y is 9. Then choose the correct statement:

Statement 1: Solution X is more basic than solution Y.

Statement 2: Solution Y is more basic than solution X.

Statement 3: Solution Y has more ${O H}^{-}$ ion concentration than solution X.

Statement 4: Solution X has more ${O H}^{-}$ ion concentration than solution Y.

Statement 5: Solution Y has more $H^{+}$ ion concentration than solution X.

Statement 6: Solution X has more $H^{+}$ ion concentration than solution Y.

Q. Given A circle,

2 x^{2} + 2 y^{2} = 5

and a parabola,

y^{2} = 4 \sqrt{5} x .

Statement I An equation of a common tangent to these curves is

y = x + \sqrt{5} .

Statement II If the line,

y = m x + \frac{\sqrt{5}}{m} (m \neq 0)

is the common tangent, then

m

satisfies

m^{4} - 3 m^{2} + 2 = 0

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Which of the following option is correct for statement 'X' and 'Y'? Statement X: Immediately after repolarisation, ionic imbalance is created on both the sides of nerve fibre. Statement Y: During repolarisation K+ ion channel open up and K+ ion moves on inner side of plasma membrane.

Which of the following option is correct for statement 'X' and 'Y'?
Statement X: Immediately after repolarisation, ionic imbalance is created on both the sides of nerve fibre.
Statement Y: During repolarisation $K^{+}$ ion channel open up and $K^{+}$ ion moves on inner side of plasma membrane.