1. The leaves of Mimosa plant closes up when touched this shows which characteristic of living thing?(a) grow (b) breath(c) respond (d) reproduce2. Which of the following is not an adaptive feature of polar bear?(a) It has thick layer of fur on its body(b) It has strong & sharp claws (c) It has a keen sense of smell(d) It has gills to respire under water3. Leaves are modified into spines in_____________.(a) Rose (c) Cactus(b) Bougainvillea (d) Succulents4. Which of these are biotic components of the environment?(a) Plants & Animals (c) Soil & Minerals(b) Air & Water (d) Sunlight & Temperature5. Which of the following is found in mountain regions?(a) Yak (c) both a & b(b) Snow leopard (d) None of these6. Dolphins breathe through_______________.(a) Gills (c) Moist skin(b) Blowholes (d) lungs7. Which habitat plants have hollow & light stems?(a) Desert (c) Aquatic(b) Grasslands (d) Mountain8. Which of the following is not an adaptation in frog?(a) Webbed feet (b) Strong back legs(b) Lungs (d) Gills9. Which of the following animal breathe through skin?(a) Earthworm (c) Grasshopper(b) Cockroach (d) Fish10. Animals that can live in water & land both?(a) Aquatic (c) Arboreal(b) Terrestrial (d) Amphibians11. Cone-shaped trees are found in_______________.(a) Mountains (c) Desert(b) Grasslands (d) both b & c