11yrsago

MdmAng 753th

46 years old



Classic Quiz
Quiz Sciences
Sciences
10 QUESTIONS
Q1. The cell has reached _____________ when the concentration of a solute inside and outside a cell is the…
A) Dynamic equilibrium
B) Equal water potential
C) Maximum concentration
D) Net osmotic pressure
Q2. The diffusion of oxygen into red blood cells does not require the ________________.
A) Random motion of oxygen molecules
B) Concentration gradient of oxygen molecules
C) Partially permeable membrane of red blood cells
D) Collision between oxygen molecules and red blood cells
Q3. Which factors does NOT affect diffusion?
A) Concentration gradient
B) Surface area to volume ratio
C) Temperature
D) Thickness of plant cell wall

C3 - Movement of Substances

1.5 k played - 11 yrs ago

Test yourself on the on concepts of diffusion and osmosis!

Hard
hard
10
QUESTIONS
MdmAng

MdmAng
Classic Quiz
Quiz Sciences
Sciences
7 QUESTIONS
Q1. Which combination of chemical elements is present in carbohydrate molecules?
A) Carbon, hydrogen, nitrogen
B) Carbon, hydrogen, nitrogen, oxygen
C) Carbon, hydrogen, oxygen
Q2. Referring to the attached table, which tests are used to detect the presence of starch, reducing sugar,…
A) A
B) B
C) C
Q3. Which of the following monosaccharides make up sucrose?
A) Glucose and fructose
B) Glucose and glucose
C) Glucose and galactose

C4 - Nutrients

456 played - 11 yrs ago

To check understanding after learning about Nutrients and Food tests.

Medium
medium
7
QUESTIONS
MdmAng

MdmAng