1 |
Most of the uptake of water and minerals from soil takes place through |
Roots
Root hair
Epidermal layers
Root cap
|
2 |
The main processes involved for getting the material into and out of cells are |
Diffusion and osmosis
Active and passive transport
Endocytosis and exocytosis
All above
|
3 |
Cardiac muscles can be distinguished from other muscle fibers because cardiac muscles |
Contain only actin
Voluntary in action
Lacks regular arrangement of sarcomeres
Have intercalated disc
|
4 |
Which of the following processes cause substances to move across membranes without expenditure of cellular energy |
Endocytosis
Active transport
Diffusion
None of the these
|
5 |
The process that most likely/directly enables a root cell to absorb minerals by active transport and enable a muscle cell to contract is |
Circulation
Excretion
Respiration
Assimilation
|
6 |
Which of the following is true about mammals |
They have right aortic each only
They have left aortic each only
They have left and right aortic arches
They do not have aortic each
|
7 |
Lymph most closely resemble with |
Blood
Plasma
Interstitial fluid
Urine
|
8 |
The Casparian strips are present in |
Cortex cells of roots
Endodermal cells of roots
Cells of xylem
Cellf of phloem
|
9 |
Which of the following is not true of the guard cells |
They are present in the epidermis of leaf
They are connected by plasmodesmata with other epidermal cells
They contain chloroplasts
They are kidney shape
|