Bio alternate to practicals

What is the recommended tool for drawing specimens in biology?

• Pen

• Sharp pencil

• Crayon

• Marker

What should be used to draw a label line when labelling a drawing?

• Ruler

• Protractor

• Eraser

• Compass

What is the unit of magnification required to have before the value?

• Z

• W

• Y

• X

What should be used to compare diagrams in biology?

• Numbers only

• Labels only

• Shapes and proportional sizes

• Colors only

What is plotted on the x-axis when drawing graphs in biology?

• Dependent variable

• None of the above

• Independent variable

• Control variable

What is the positive control for enzyme activity in biology?

• Manganese IV oxide

• Cold environment

• Water instead of hydrogen peroxide

• Boiled potato strips

What is the food test for reducing sugars in biology?

• Iodine

• Ethanol

• Benedict's reagent

• Biuret reagent

What is necessary for photosynthesis according to the text?

• Water only

• Light only

• Carbon dioxide only

• All of the above

How can the rate of transpiration be estimated in biology?

• By measuring the distance moved by the air bubble per unit time

• By counting the number of leaves

• By measuring the weight of the plant

• By observing the color of the leaves

What does the lowest temperature change indicate in the investigation of insulation?

• No conclusion can be drawn

• No insulation

• Worst insulated

• Best insulated