Unit 2 ETV The Living World

1. Unit 2 ETV The Living World

2. 1. Which of the following is not an organism commonly found in the pond? Bull frog Water skater Mosquito larva Sea turtle

3. 2. Which of the following organisms can commonly be found in fresh water stream? (I) only (I)and (II)only (I), (II) and (IV) (I), (II), (III)and (IV) Leech Stream snail Mud skipper Newt

4. 3. Water stream is the habitat of many organisms. Which of the following is not a reason that account for this? Litter and sediments are trapped at the sheltered part of the stream. More nutrients are available at the sheltered part of the stream. Fresh water is a better habitat for living organisms . The current slow down at the sheltered part of the stream.

5. 4. Which of the following description about lichen is correct? Lichen need to grow in dry environment. Lichen do not require light to grow. Lichen need to grow in places with little air pollution. Lichen is a kind of plant.

6. 5. Which of the following plants can grow well in humid places? (I) only (II) only (II) & (III) only (I), (II) and (III) Fern Liverworts Mosses

7. 6. Which of the following organisms are commonly found in woodland? (I) & (II) only (II) & (III) only (I), (II) and (III) (I), (II), (III) and (IV) Monkeys Snakes Wild boars Caterpillars

8. 7. Which of the following organisms could be found in the dark and humid environment under the stones? (I) only (I) & (II) (I), (II) and (III) (I), (II), (III) and (IV) (I) millipede (II) Snails (III) Slug

9. 8. Which of the following description about the Marsh habitat is NOT correct? It’s a wetland flooded with water. It’s a place where wide stretch of mudflat exposed at low tide. It’s covered with dense mangroves. It’s a freshwater area.

10. 9. Which of the following animal can jump freely on muddy surfaces? Fiddler crab mudskipper Shore crab Kandelia

11. 10. Which of the following organisms could be found on rocky shore? (I) & (II) only (II) & (III) only (I), (II) and (III) (I), (II), (III) and (IV) Algae Sea anemone Sea cucumber Sea horse

12. 11. Which of the following description about the hard outer shell of barnacle is NOT correct? The shell can attack other animals It can withstand the dislodging action of waves. The shell protects barnacle from the heat of sun. The shell allows barnacle to cement on the rock of the shore.

13. 12. Which of the following organism is not a saprophyte? Mould Bracket fungi Mushrooms Fern

14. 13. Which of the following is not an example of bacteria? Cocci Mould Bacilla Spirilla

15. 14. Which of the followings are human activities that cause destruction of the environment? (I) & (II) only (II) & (III) only (I), (II) and (III) (I), (II), (III) and (IV) Deforestation Land reclamation Hunting activities Air pollution