Question

1. In a plant’s stem, the vascular tissue (1 point)
is always arranged in rings of vascular bundles.
is continuous from the roots to the leaves.
carriest nutrients up the stem but not down.
plays a role in photosynthesis and storage.
2. Many cacti, such as saguaros and barrel cacti, have large stems and no leaves. What function of leaves is taken on by the stems of such cacti?

Answer 1

1. In a plant’s stem, the vascular tissue (1 point)
is always arranged in rings of vascular bundles.
is continuous from the roots to the leaves.
carriest nutrients up the stem but not down.
plays a role in photosynthesis and storage.
2. Many cacti, such as saguaros and barrel cacti, have large stems and no leaves. What function of leaves is taken on by the stems of such cacti? (1 point)
They produce food by photosynthesis.
They absorb water and nutrients from the soil.
They transport materials throughout the plant.
They store excess water.
3. Most of the photosynthesis in plants takes place in the (1 point)
mesophyll.
guard cells.
stomata.
xylem.
4. The flat structure of a leaf blade enables its function as a photosynthetic organ by (1 point)
decreasing the loss of oxygen into the atmosphere.
increasing the absorption of nutrients from soil.
protecting the rest of the plant from water loss due to evaporation.
exposing a greater surface area to capture energy from sunlight.


Figure 23-3
5. Look at Figure 23-3. Which letters indicate cells in which a large number of chloroplasts would likely be found? (1 point)
A and D
B and C
F and G
G and E

Answer 2

i dont mind helping u with this question but im jst gonna say if ur gonna copy and paste a queation directly off the test, try to make it look a little less obvious

Answer 3

1. In a plant’s stem, the vascular tissue (1 point)
(0 pts) is always arranged in rings of vascular bundles.
(1 pt) is continuous from the roots to the leaves.
(0 pts) carriest nutrients up the stem but not down.
(0 pts) plays a role in photosynthesis and storage.
1 /1 point
2. Many cacti, such as saguaros and barrel cacti, have large stems and no leaves. What function of leaves is taken on by the stems of such cacti? (1 point)
(1 pt) They produce food by photosynthesis.
(0 pts) They absorb water and nutrients from the soil.
(0 pts) They transport materials throughout the plant.
(0 pts) They store excess water.
1 /1 point
3. Most of the photosynthesis in plants takes place in the (1 point)
(1 pt) mesophyll.
(0 pts) guard cells.
(0 pts) stomata.
(0 pts) xylem.
1 /1 point
4. The flat structure of a leaf blade enables its function as a photosynthetic organ by (1 point)
(0 pts) decreasing the loss of oxygen into the atmosphere.
(0 pts) increasing the absorption of nutrients from soil.
(0 pts) protecting the rest of the plant from water loss due to evaporation.
(1 pt) exposing a greater surface area to capture energy from sunlight.
1 /1 point


Figure 23-3
5. Look at Figure 23-3. Which letters indicate cells in which a large number of chloroplasts would likely be found? (1 point)
(0 pts) A and D
(1 pt) B and C
(0 pts) F and G
(0 pts) G and E
1 /1 point

The final score is 5/5 (100%).

Answer 4

Hope this helps! :D

Answer 5

if it didn't help anyone, it sure helped me! thanks!! i also learned the right answer because i would try to figure it out, and then when i chose my answer, if it was wrong, it helped me learn a new thing! thanks a lot!

Answer 6

omg thanks

Answer 7

This helped sooo much! Thanks