Which of the following is used to measure the rate of water uptake in plants?
Potometer
Hydrometer
Hygrometer
aspirator
Correct answer is A
No explanation has been provided for this answer.
The function of the red blood cells is to
engulf invading bacteria
aid in protein formation
transport oxygen to the cells
control blood glucose level
Correct answer is C
No explanation has been provided for this answer.
Diffusion is most effective in living organisms, when the surface area is
large and the thickness is also large
small while the thickness is large
large while the thickness is small
the same as its thickness
Correct answer is C
No explanation has been provided for this answer.
Which of the following will ease the friction between the ends of bones in a movable joint?
Serum
Tissue
Blood plasma
Synovial fluid
Correct answer is D
No explanation has been provided for this answer.
The following are methods of measuring plant growth except
determining the fresh and dry weights of the plant
counting the number of fruits produced
measuring the increase in height of the shoot
measuring the length and breadth of a leaf
Correct answer is B
No explanation has been provided for this answer.