2b(i) Based on Diagram 5.2 complete the following flow chart to show the path of light rays from an object entering the eye. Cornea->Aquenous humour->(i) ->eye lens ->(ii) ->retina->optic nerve->brain (i) =

(a)  

2b(ii) Based on Diagram 5.2 complete the following flow chart to show the path of light rays from an object entering the eye. Cornea->Aquenous humour->(i) ->eye lens ->(ii) ->retina->optic nerve->brain (ii) =

(a)  

7(a) Diagram 3.1 shows the set up of appractus to investigate and identify the stimuli detected by plants. Draw an arrow in box P in Diagram 3.1 to show the direction of growth of the shoots after 5 days.

(a)  

8 (a) Classify the following into two groups : Secretion of saliva Cycling Swimming (i) Voluntary

(a)  

8 (a) Classify the following into two groups : Secretion of saliva Cycling Swimming (i) Involuntary

(a)  

8 (b) Diagram below shows the sequence of impulse transmission in voluntary actions. Stimulus->P->Brain->Q->Response. What are represented by P & Q

(a)  

8 © What is the action shown in above diagram. What is its importance in our daily life. (2M)

(a)  

8(d) What is the person's reaction in above diagram? Why does the person react in this way? (2M0

(a)  

8€ State one other example of involuntary action controlled by medulla oblongata and one example of action controlled by spinal cord (2M)

(a)  

9a. Name four parts of the eye that are involved in focusing light onto retina. (2M0

(a)  

9b. State one difference between yellow spot and blind spot. (2M)

(a)  

9c. Complete the diagram to show how light enters the eyes and draw the image on the retina.

(a)  

9d. State three charateristic of the image that is form at structure (k)

(a)  

9e

(a)  

10. Solar Eclipse will occur on 26th December 2019. A Science and Innovation Club of a school will organise "Let's see solar eclipse" program as shown in Diagram 3.1. (a) Name the sensory organ used for seeing

(a)  

10b. Diagrame 3.2 shows the change in the size of pupil before and during the program. Why does the situatin happen?

(a)  

10c. During the briefing sessio, the teacher show sthe effect of the number of X ray films on the percentage of visible light transmission as shown as Table 1.1. (i) Predict the percentage of visible light transmission of the participant uses five X-ray films

(a)  

10c. During the briefing sessio, the teacher show sthe effect of the number of X ray films on the percentage of visible light transmission as shown as Table 1.1. (i) Predict the percentage of visible light transmission of the participant uses five X-ray . Explain your answer in (c) (i)

(a)  

10d. Table 1.2 shows 2 methods suggested by the teacher to observe the phenomenon. Choose one suitable method to observe the Solar eclipse. Justify your choice.

(a)  

10e. After the program, a competition of building a telescope model will be organised by the Science and innovation club. As a club member, you are required to build the model by using the materials shown in Diagram 3.3

(a)  

10f. Explain how the model works.

(a)  

11. The diagram below shows an old woman reading a newspaper. She finds the words all blurry while reading without wearing her eyeglassess. What is the defect of vision of the old woman? (1M)

(a)  

11a(ii) How can this problem be overcome? (1M)

(a)  

11b. The diagram show Braille's symbol that use skin as a sense of 'sight' for the blinds. Explain why blinds used fingertips instead of palm to read Braille (2M)

(a)  

11c. The diagram below shows a man is enjoying a mean. (i) Name the sensory organ of taste.

(a)  

11c(ii) What will happen if the man experiences a cold and unable to smell as usual. Explain your answer. (2M)

(a)  

11d. The diagram below shows the quarry worker at the construction site. State sensory organ that possibly affected due to the activitiy in the above diagram. (2M)

(a)  

11d(ii) Explain how quarry worker at the construction site lost the sensitivity of his sensory organ and suggest the device that could help the worker. (2M)

(a)  

12.(a) Diagram below shows the structure of human ear. Name Q (1M)

(a)  

12a(ii) State the functions of the folloiwng parts. (3M) P:

(a)  

12a(ii) State the functions of the folloiwng parts. (3M) R:

(a)  

12a(ii) State the functions of the folloiwng parts. (3M) S:

(a)  

12a(iii) State the type of sense which helps structure R so that it can function perfectly. (1M)

(a)  

12b. What is the range of sound frequency that can be detected by our ears? (1M)

(a)  

12c. As people get older, their hearing gets weaker. Explain (1M)

(a)  

12d. Damaged cochlea causes deafness. Howto overcom this problem (1).

(a)  

13a(i) State two structures that are not involved in listening mechanism (2M)

(a)  

13a(ii) Explain how the part of ear helps James to be successful in his performance? (2M)

(a)  

13(b) Reynold likes to study while wearng earphone with loud music on for the long long time. Explain the effect to reynold's ear. (2M)

(a)  

13© Jeremy studies a diagram of human ear labelled J, K, L and M (i) Circle one part that is involved in the hearing process. 1M

(a)  

13c(ii) Explain the effect if part K is punctured (2M)

(a)  

13d(i). While travelling on a hilly road, Jeremy feels pain in his ear as the car moves upwards. (ii) Suggest two ways to overcome the pain. (2M)

(a)  

13d(ii). Explain how the pain occurs. (2M)

(a)  

14. Diagram below show Sarah smells the chrysanthemum in the garden. (a) complete the pathway on how the smell of chrysanthemum is detected by the brain (2M) Chemical substance inn the air is inhaled into the nostril. (i)

(a)  

14. Diagram below show Sarah smells the chrysanthemum in the garden. (a) complete the pathway on how the smell of chrysanthemum is detected by the brain (2M) Chemical substance inn the air is inhaled into the nostril. (i)----->(ii)

(a)  

14b

(a)  

14c. The upper surface of nasal cavity is covered by mucus. Explain the function of mucus when we smell. (2M)

(a)  

14d(i) Sarah's father is working in a paint factory. As he works, he smells the pungent paint. What are the risks faced by her father if he works in the factory for a long time ? (1M)

(a)  

14d(ii) Suggest with explanation, how you can protect your nose an sense of smell. (2M)

(a)  

15b. Can the part labelled E detects sweet taste? Give reason for your answer. (2M)

(a)  

15c. Fried chikcken is an example fo food with umami taste. Give another two examples of food with umami taste. (2M)

(a)  

15d. Explain how a certain taste of food can be detected. Write the role of saliva in your answer. (2M)

(a)  

15e. During dinner, Siti's grandmother complained that the soup was tasteless but Sitifelt the soup was salty. Both Siti and grandmother did not have the flu. Why do these two people taste differ from what they drink? (3M)

(a)  

15f. The taste of food is better when served during hot compared to cold food. Explain this statement. (2M)

(a)  

16a. Diagram 1.1 shows the cross section of human skin. Name receptors P and Q.

(a)  

16a (i) State 2 factors that affect the sensitivity of the skin. (2M)

(a)  

16a(ii) How do the factors mentioned in (a) (ii) affect the sensitivity of the skin?(2M)

(a)  

16a(iii) Diagram 1.2 shows some examples of Malaysia currency. Explain how the blinds identify the value of the currency (2M)

(a)  

17. Diagram below shows an illustration of stereophonic hearing. (a) what is the stereophonic hearing?

(a)  

17(b) State the importance of the stereophonic hearing to humans, (1M)

(a)  

17© State the importance of stereophonic hearing to predator. (1M)

(a)  

17(d) State the importance of stereophonic hearing to prey. (1M)

(a)  

17€ What is the frequency of sound that can be detected by human? (1M)

(a)  

17f. State the frequency of hearing range for the following animals (3M).(i) Dolphin

(a)  

17f. State the frequency of hearing range for the following animals (3M).(ii) Elephant

(a)  

17f. State the frequency of hearing range for the following animals (3M).(i) Bat

(a)  

18 Diagram below shows the field of view of an eagle. (a) What is the importance of the type of vision shown above to the survival of the eagle?(2M)

(a)  

18b. What type of animal, predator or prey, is most likely to have the above type of vision?(1M)

(a)  

18c. What is the type of vision for humans? (1M)

(a)  

18d. Diagram below shows an example of limitation of sign in humans. (i) What is the limitation of sighn shown above? (1M)

(a)  

18d (ii) Describe the factor that causes the limitation of sight above.

(a)  

18d (iii) Give another example of humanlimitationof sight. (1M)

(a)  

19. The diagram below shows a tiger. (a) Name the type of vision and state the postiion of eyes on the head of the tiger. (2M)

(a)  

19b. Draw the visual field of the tiger.

(a)  

19c. State one disadvantage fo the visual field of the tiger. (1M)

(a)  

19d. Name two animals that have the same type of vision. (2M)

(a)  

19e.

(a)  

20. Diagram belwo shows an experiement carried out to investigate how a plant responds to the stimulus of light. (i) What is meant by positive tropism? (1M)

(a)  

20a(ii) Baseed on the diagram above draw the condition of the green plant after 5 days, in the spaces provided below. (1M)

(a)  

(iii) Name the response of the plant in (a) (ii). (1M)

(a)  

20b. Ah Meng carried out an experiment to study the response of the root of a seedling to the stimulus of water. Diagram below shows the observation of Ahmeng. (i) Based on the result, how does the root of the plant respond to the stimulus of water? (1M)

(a)  

(ii) Why is the response of the root in (b)(i) important? (2M)

(a)  

© Why is it important that the shoot of the plant does not respondn in the same way as the root? (2M)

(a)  

(d)(i) What is meant by nastic response? (1M)

(a)  

d(ii) Give an example of the response in (d)(i) (1M)

(a)  

21. Mr Hassan has a grape farm. He noticed that there is a special structure that enable the grape to coil around and cause the grapes to grow upward as shown in Diagram 11.1. (a)(i) Name the special structure on the plant. (1M)

(a)  

21a(ii) Name the tropism related with the plaant responsne in diagram 11. (1M)

(a)  

21a(iii) Give 2 examples of other plants that show the similar response. (2M)

(a)  

21a(iv) State on differennt between the tropism mentioned in a(ii) and the nastic movement.(1M)

(a)  

21b During year end, Mr Hassan want to plant long beans in this area as shown in Diagram 11.2. Suggest howyou can modify this area by using the following tools so that the long beans can grow healthy. Sketch the model and explain how it functions. (1M)

(a)  

21c Exaplanation (2M)

(a)  

21c Diagram 11.3 shows the observationof a plant after two weeks. Explain why the shoot of plant grows upward and the roots grows downward. (2M)

(a)  

21d Green plants need four factors for photosyntheses process. From the four factors, write the photosynthess equation. (2M)

(a)