1. Which of the following animals is not extinct?   Brontosorus   Dodo   Mammoth   Cheetah   Hint Half-n-half Clue   2. Fish breathe through   Lungs   Gills   Skin   Fins   Half-n-half Clue   3. Farmers can keep their soil fertile by   Repeatedly growing the same crop   Regular Tilling   Irrigation   Crop Rotation   Half-n-half Clue   4. What is the everyday name for the plants that are called Gramineae?   Grasses   Nuts   Pulses   Legumes   Half-n-half Clue   5. Which of the following helps keep body cool?   Perspiration   Mastication   Urination   Respiration   Half-n-half Clue   6. The response of plants to light is known as   Chemotropism   Hydrotropism   Phototropism   Thigmotropism   Half-n-half Clue   7. The feathers of birds are good insulators.   True   False