NYS Labs Review 2 Question Preview (ID: 62401)


NYS Labs Review 1. Diffusion Through A Membrane, Making Connections. TEACHERS: click here for quick copy question ID numbers.

If a control group is not included in an experiment, it would be difficult to
a) formulate a hypothesis for the experiment
b) make observations about the experimental group
c) record data in a data table
d) draw a valid conclusion

An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin. The experimental results could be made more valid by
a) increasing the number of students
b) using safety precautions
c) using a plastic clothespin
d) making a bar graph of the data

Which is true about active transport?
a) It requires energy
b) it does not require energy
c) It moves substances down the concentration gradient
d) it moves material from high to low concentration

What is the starch indicator?
a) Iodine
b) Bromothymol Blue
c) Benedict's Solution
d) Glucose

What color does the starch indicator turn when it comes in contact with starch?
a) Blue
b) blue-black
c) orange-red
d) Yellow

Which of the following tests for glucose?
a) Iodine
b) Benedicts
c) Biuret
d) Emulsion

A negative test for glucose will cause Benedicts to stay...
a) brick red
b) blue
c) black
d) orange

An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin. Muscle fatigue occurs during this activity when
a) carbon dioxide is used up in the muscle cells
b) simple sugar is converted to starch in the muscle cells
c) proteins accumulate in mitochondria in the muscle cells
d) certain waste products collect in the muscle cells

Diffusion through a membrane lab - Identify the cellular structure that diffusion occurs across.
a) Ribosome
b) Mitochondria
c) Cytoplasm
d) Cell Membrane

Making connections lab - An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin. The dependent variable for this experiment is the
a) time the student was squeezing the clothespin
b) number of times the student was able to squeeze the clothespin
c) strength of the student
d) strength of the student

Making connection lab - An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin. In this investigation, the independent variable is the
a) Control
b) Exercise
c) rate of squeezing
d) number of participants

Diffusion through a membrane lab - What did we add to the inside of the cell when we started the lab?
a) Indicator
b) Starch
c) Glucose
d) Starch and Glucose

Diffusion through a membrane lab - Which molecule did not diffuse through the membrane?
a) Glucose
b) Indicator
c) Starch
d) Water

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