G11 CH2 L1

الإسم الثلاثي

يجب كتابة الاسم الثلاثي بشكل صحيح

رقم الموبايل

تأكد من كتابة رقم الموبايل بشكل صحيح

المدينة

يجب اختيار المدينة

إختر الإجابة الصحيحة

سؤال رقم - 1

Which of the following statements doesn't agree with the cells forming the outer layer of each of the plant stem and leaf?

One row of parenchyma cells.

Adjacent barrel-shaped cells,

Coated cells with a layer that is impermeable to water.

Barrel-shaped cells that have a storage function.

يجب الإجابة على هذا السؤال

سؤال رقم - 2

Which of the following participate(s) mainly in the transport of water in the plant stems?

Xylem tissue

Vascular bundles.

Vessels only.

Tracheids only.

يجب الإجابة على هذا السؤال

سؤال رقم - 3

Which of the following doesn't consist of parenchyma cells?

Stem's epidermis.

Leaf's epidermis.

Cambium tissue.

Stem's pith.

يجب الإجابة على هذا السؤال

سؤال رقم - 4

Which of the following do you expect to happen, when removing the active meristematic cells from a green herbaceous plant stem ?

Water and salts transport stops.

CO2 gas evolving stops.

Photosynthesis process stops.

Formation of specialized vascular tissues stops.

يجب الإجابة على هذا السؤال

سؤال رقم - 5

Which of the following tissues is present in the plant stem and isn't present in the leaf ?

Xylem.

Phloem.

Cambium.

Epidermis

يجب الإجابة على هذا السؤال

سؤال رقم - 6

Which of the following tissues have the ability to divide ?

Tracheids.

Xylem vessels.

Sieve tubes.

Companion cells.

يجب الإجابة على هذا السؤال

سؤال رقم - 7

Which of the following determines the rate of water movement from the roots to the leaves ?

Water absorption through the root hairs' cells.

The low pressure of water fullness in leaves.

Water diffusion through stomata.

Water evaporation from the mesophyll tissue cells.

يجب الإجابة على هذا السؤال

سؤال رقم - 8

Which of the following substances have the ability to absorb water, but they are insoluble in it ?

Cellulose and cutin.

Pectin and suberin.

Pectin and lignin.

Cellulose and subrin.

يجب الإجابة على هذا السؤال

سؤال رقم - 9

Which of the following elements is/are not found in the food of aphid insect, when it is examined ?

Amino acids.

Fatty acids.

Sucrose.

Water.

يجب الإجابة على هذا السؤال

سؤال رقم - 10

Which of the following the colloidal nature of xylem vessels’ walls doesn't play a role in it ?

The occurrence of imbibition phenomenon.

The presence of cohesion force.

The existence of water columns held against the effect of gravity.

The presence of adhesion force.

يجب الإجابة على هذا السؤال

سؤال رقم - 11

Which of the following doesn't agree with keeping the water columns held continuously inside the xylem vessels of the plant ?

The adhesion force among water molecules.

The presence of cellulose substance in its structure.

The presence of lignin substance in its structure.

The xylem vessels are devoid of bubbles.

يجب الإجابة على هذا السؤال

سؤال رقم - 12

Which of the following works on increasing the active transport process in the phloem ?

Decreasing the temperature and oxygen deficiency.

Decreasing the temperature and increasing oxygen.

Increasing both the temperature and the concentration of oxygen.

Increasing the temperature and decreasing oxygen.

يجب الإجابة على هذا السؤال

سؤال رقم - 13

Which of the following factors helps in accomplishing the cultivation of a plant in a pot after keeping it in a glass of water for two days ?

Leaving the plant exposed to the Sun for a longer period of time.

Planting its roots in a moist soil.

Planting its roots directly in a dry soil.

Covering the vegetative system with a bag before its planting.

يجب الإجابة على هذا السؤال

سؤال رقم - 14

Which of the following statements doesn't agree with the nature of lignin ?

It is a substance with a colloidal nature that has the ability to imbibe water.

It may take many shapes, such as spiral and annular inside the xylem vessel.

It is a supportive substance that strengthens the xylem vessel and prevents its collapse.

It is a permeable substance to water and solutes.

يجب الإجابة على هذا السؤال

سؤال رقم - 15

What is the main source of energy that helps in the ascent of water in the plant stem ?

The difference in osmosis between the sap that is present in the cell and water that is present in the soil.

The absorbed heat from the Sun.

The light absorbed by chlorophyll.

The combustion of sugar that resulted from photosynthesis.

يجب الإجابة على هذا السؤال

تم تقديم الإختبار بنجاح

يوجد خطأ أو أكثر بالأعلى

G11 CH2 L1

إختر الإجابة الصحيحة

Which of the following statements doesn't agree with the cells forming the outer layer of each of the plant stem and leaf?

Which of the following participate(s) mainly in the transport of water in the plant stems?

Which of the following doesn't consist of parenchyma cells?

Which of the following do you expect to happen, when removing the active meristematic cells from a green herbaceous plant stem ?

Which of the following tissues is present in the plant stem and isn't present in the leaf ?

Which of the following tissues have the ability to divide ?

Which of the following determines the rate of water movement from the roots to the leaves ?

Which of the following substances have the ability to absorb water, but they are insoluble in it ?

Which of the following elements is/are not found in the food of aphid insect, when it is examined ?

Which of the following the colloidal nature of xylem vessels’ walls doesn't play a role in it ?

Which of the following doesn't agree with keeping the water columns held continuously inside the xylem vessels of the plant ?

Which of the following works on increasing the active transport process in the phloem ?

Which of the following factors helps in accomplishing the cultivation of a plant in a pot after keeping it in a glass of water for two days ?

Which of the following statements doesn't agree with the nature of lignin ?

What is the main source of energy that helps in the ascent of water in the plant stem ?

email us

call us

Links