UNIT 4 AND 9
PRACTICE TEST FOR TERM 1
1. Plants in Arizona have ____________(widely spread/narrow) roots
2. Cactus wren use _________________ cactus to make a nest.
3. In sonoran desert bats feed on nectar from the flowers of
___________plant
4. __________ is a place where organisms naturally live.
5. Gila woodpecker lives in __________.
6. ___________ live in saguaro stems
7. ____________live in saguaro flowers
8. ___________ is a type of a monkey that that climb through the trees and
catch crabs on tree roots in Mangrove forest
9. __________ is an example of man-made ecosystem in Malaysia
10. People in New Zealand are now trying to eradicate ______which they
had brought from Europe to control the population of Rabbits.
11._____________is the gradual accumulation of substances, such as
pesticides or other chemicals, in an organism.
12. __________means that the concentration of DDT in an animal’s body
increases as you go up the food chain.
13. Magnetic field lines have arrows that point from ___ to ____
14. One way to detect magnetic field is by using a device called as ______
15. Naturally occurring magnet was named as __________
16. South of the compass direct towards the magnetic ______pole of the
Earth
17. Earth’s magnetic field causes the natural appearance of visible light on
the ________ and ________ pole of the Earth.
18. ________ part of the Earth’s structure causes Earth’s magnetic field
19. Electromagnet strength increases if the no. of coils _______
20. Electromagnet strength increases if the thickness of coil________
21. Electromagnet strength increases if the current _________
22. _______ iron is the term used for the iron that can be easily magnetized
and demagnetised
23. the magnetic field protects our planet from ____________ and
____________
24. Full form of MRI is _________
25. The 3 properties of a magnet are ________,______ and _________
KEYS
1. widely spread
2. Teddy bear cholla
3. Agave
4. Habitat
5. Saguaro cactus
6. Termites
7. Sap beetles
8. Crab-eating Macaques
9. Rice paddy
10. Stoats
11.Bioaccumulation
12. Biomagnification
13. North to south
14. Compass
15. Magnetite/lodestone
16. North
17. North and south
18. Core
19. Increases
20. Increases
21. Increases
22. Soft
23. Deadly cosmic radiation and solar winds
24. Magnetic Resonance imaging
25. Attractive, Repulsive and Directive