Sciences
"The square of the period of a planet's orbit is directly proportional to the cube of the orbital's radius".
Which law simplifies the statement above?
Kepler's Third Law
A clinical thermometer is used to measure a patient's body temperature.
What is the physics concept that is applied in the thermometer?
Thermal equilibrium
A sealed syringe containing trapped air is heated in a beaker filled with water. After heating, the position of the piston moves upward.
Based on the observation, it is found that...
as the temperature increases, the volume of trapped air increases, but the pressure of trapped air is constant
Two campsites are separated by a lake. At dawn, the sound from the opposite campsite can be heard clearly.
Which phenomenon explains the situation above?
Refraction of wave
Function: connects the epithelial tissue to the tissue below it and fixes the organs in its positions.
Which tissue has the function stated above?
Loose connective tissue
Mrs K adds pectinase enzyme into squeezed apple juice and immerses it into warm water for the preparation of her homemade juice.
What is the effect of those activities to the production of her fruit juice?
Juice becomes clear & its volume increases
Which organ will be negatively affected if antibiotic is taken excessively?
Large intestine
Which factor contributes to the formation of tissue fluid in the intercellular spaces?
A high hydrostatic pressure at the arteriole end of the capillary network
Angioplasty procedure is used to treat patient P who is diagnosed with 70% blockage in the coronary artery.
What is the possible effect to the patient if the procedure is not being done?
Causes angina
The anterior lobe of gland X secretes hormone Y.
What is hormone Y amd its importance to the growth of a man?
Luteinizing hormone/Stimulates secretion of testosterone
Which of the following is TRUE regarding the process of double fertilization in plant?
The pollen tube will penetrate the ovule through the micropyle
Which of the following statements is correct about the double fertilisation process?
Copper helps stimulate the growth of pollen tube during germination
What is the shape of the bacteria that causes cholera disease?
Vibrio
Which of the following are the characteristic of genetically modified food (GMF)?
Tolerant to heavy metals
-Packed in biohazard plastic bags
-Sterilised in an autoclave
-Placed into a biohazard bin
Which of the following materials is disposed using these methods?
Gloves
The main food for livestock is grass. What is the example of polysaccharide in the grass that provides energy to the livestock?
Cellulose
Microorganism such as bacteria play as an important role in the fermentation process to produce yogurt.
Why does yogurt taste sour?
Lactose is broken down into lactic acid
The blood glucose level of an individual decreases 40 minutes after lunch.
Which of the following causes the change in blood glucose level?
Beta Pancreatic Langerhans cells secrete insulin
Which of the following is the female reproductive part of a pine tree
Seed cone