The diagram below shows the exchange of gases in our body.
Which parts of the body are represented by the letters X, Y and Z, respectively?
| X | Y | Z | |
| A | All body parts | Heart | Lungs | B | Heart | All body parts | Lungs | C | Lungs | All body parts | Heart | D | All body parts | Lungs | Heart |
Refer to the given groups (i) - (iv). Each group contains one wrong member. Identify the odd members and select the correct option.
(i) Flax; Coir; Wool; Sisal
(ii) Cotton; Jute; Flax; Hemp
(iii) Polyester; Nylon; Acrylic; Silk
(iv) Shahtoosh; Wool; Silk; Coir
| (i) | (ii) | (iii) | (iv) | |
| A | Sisal | Hemp | Acrylic | Shahtoosh |
| B | Flax | Jute | Nylon | Silk |
| C | Wool | Cotton | Silk | Coir |
| D | Coir | Flax | Nylon | Wool |
C
Wool is an animal fibre while flax, coir and sisal are plant fibres. Cotton fibre is obtained from seeds of cotton plant while jute, flax and hemp fibres are obtained from stems of plants. Polyester, nylon and acrylic are man-made or synthetic fibres while silk is natural fibre. Coir is plant fibre while shahtoosh, wool and silk are animal fibres.
Study the given passage regarding earthquake.
X is the point within the earth's crust where the
disturbance occurs. Y is the location on the earth's surface
directly above the X.
Select the option that correctly identifies X and Y.
| X | Y | |
| A | Radius | Focus |
| B | Focus | Epicenter |
| C | Focus | Radius |
| D | Epicenter | Focus |
B
Foods that give us energy to work and play are carbohydrates, like rice. Foods that make our bones and muscles strong are proteins, like cottage cheese. Foods that protect us from falling ill are protective foods (vitamins and minerals), like apple.
Study the two life cycles X and Y, and select the option that correctly identifies the organisms which show these cycles, respectively.
| X | Y | |
|---|---|---|
| A | Mosquito | Butterfly |
| B | Lizard | Frog |
| C | Mosquito | Frog |
| D | Grasshopper | Dragonfly |
