Which of the followig objects possess a center of symmetry ?
(i) Tree (ii) Six-pointed star
(iii) Five-pointed star (iv) Dumbbell
(v) Nail

Which of the following has a definite length? i0Line (ii) Point (iii) line segment (iv) Ray

Which of the following has a definite length? i) Line, ii) Point, iii) Line segment, iv) Ray.

Which of the following metals have low melting points? (i) Cesium (ii) Francium (iii) Gallium (iv) Rubidium

Which of the following are chemical changes ? (i) Decaying of wood (ii) Burning of wood (iii) Growth of wood in a tree (iv) Hammering of a nail on a piece of wood.

Which of the following is/are not carrectly mathched pairs ? (a) (ii) and (iii) (b) (i) and (iv) (c) (v) only (d) (ii) only

Which of the following animals possesses blood with haemoglobin in plasma? (i) Earthworm " " (ii) Balanoglossos (iii) Snail " " (iv) Butterfly .

Which of the following are chemical changes? (i) Decaying of wood (ii) Burning of wood (iii) Sawing of wood (iv) Hammering of a nail into a piece of wood

Which of the following are chemical changes? (i) Decaying of wood (ii) Burning of wood (iii) Sawing of wood (iv) Hammering of a nail into a piece of wood

Write the following based on the graph (i) The ordinate of L (ii) The ordinate of Q (iii) The point denoted by (-2,-2) (iv) The point denoted by (5,-4) (v) The abscissa of N (vi) The abscissa of M