State the following statement is true or false :
Every circle has unique diameter.

State which of the following statements are true and which are false : Every circle has unique centre and it lies inside the circle.

Is the following statements true or false ? Every integer is a rational number.

In each of the following , state it the statement is true (T) or false (F): (i) Every circle has a centre. (ii) The centre of a circle is a point of the circle. (iii) Any two radii of a circle make up diameter. (iv) Every chord of a circle is parallel to some diameter of the circle. (v) A circle is symmetric about each of its diameter. (vi) The diameter is twice the radius. (vii) A radius is a chord of the circle. (viii) Concentric circles have the same radii. (ix) The nearer a chord to the centre of a circle, the longer is its length.

State whether the following statement is true or false. A hypertonic solution has a water concentration greater than that is found inside the cell. A. True B. False

State whether the follow ing statements are true or false . Rewirte the false statements in their correct form: Diffusion is the reverse of osmosis .

State whether the follow ing statements are true or false . Rewirte the false statements in their correct form: Upward movement of water and dissolved minerals in plants is called translocation .

State whether the follow ing statements are true or false . Rewirte the false statements in their correct form: A plant cell placed in hypotonic solution gets plasmolysed.

State whether the following statements are true or false . Rewrtie the false statements in their correct form: As compared to active transport, osmosis is a rapid process.

State whether the following statement is true or false. Membranes usually have a negative charge on their outer surface. A. True B. False

State whether the following statement is true or false. The so-called resting nucleus is not really resting. A. True B. False