SCIENCE SPM TRIAL K1 SARAWAK

Diagram 1 shows personal protective equipment in the laboratory. What is the function of the above equipment?

• As footwear

• Avoid slipping

• Protects feet from chemical substance spills and injured by glass splinters

• Provides comfort while conducting experiments

Which of the following situations requires Cardiopulmonary Resuscitation?

• Badly injured

• Not breathing

• Weak heartbeat

• Open the eyes when being called

Diagram 2 shows a few of pulse points on the human body. Which of the points A, B, C or D is most easily detected by medical assistant to measure the pulse rate?

• Point A

• Point B

• Point C

• Point D

Used plastic bottles are used to produce plastic broom products. What is the name of this efficient management?

• Upcycle

• Reuse

• Recycle

• Decaying

Diagram 3 shows carbon footprint. What can you do to reduce carbon footprint?

• Switch off the electrical appliances when not in use

• Use clothes dryer

• Use motorcycle frequently

• Burn rubbish to clean the house area

A married couple has three children. Two of their children inherited the couple’s trait while the other does not. What are the genotypes of the couple if both are able to roll the tongue? Key: H – Able to roll the tongue; h – Unable to roll the tongue. Choose the correct pair of genotypes for Father and Mother.

• Father hh, Mother hh

• Father Hh, Mother Hh

• Father HH, Mother Hh

• Father Hh, Mother HH

Diagram 4 shows a movement of human limbs. Label M points to the large muscle at the front of the upper arm while the forearm is flexed. Which of the following is M?

• Cartilage

• Ligament

• Biceps

• Triceps

A long jump athlete often experiences knee pain after intensive training. Examination shows that a particular joint structure has worn out and can no longer absorb shock effectively. Which joint structure is most likely damaged, and why?

• Ulna — because it is a main bone in the arm

• Ligament — because it connects muscles to bones

• Tendon — because it allows muscle movement

• Cartilage — because it functions to absorb shock and protect the joint

Diagram 5 shows the human endocrine system. What is the function of endocrine gland P?

• Controls the metabolic rate

• Controls the body growth

• Increases the rate of heartbeat

• Controls the glucose level in the blood

Aiman has acromegaly, an abnormal growth due to excessive secretion of a hormone. What is the hormone?

• Growth hormone (GH)

• Antidiuretic hormone (ADH)

• Testosterone

• Adrenaline