Symplast Pathway

Q. Which of the following is essential for photolysis of water ?

1. Manganese
2. Zinc
3. Copper
4. Boron

Q.

Endodermis of dicot stem is also called as a

1. Bundle sheath

2. Starch sheath

3. Mesophyll

4. Pith

Q.

Which instrument is used for measurement of humidity in air?

Q. All given represents symplast, except

1. endodermis
2. plasmodesmata
3. cell wall
4. cytoplasm

Q. Starch sheath is present in which of the following structure?

1. Stem of Sunflower
2. Stem of Maize
3. Root of Sunflower
4. Root of Maize

Q.

Assertion (A): Apoplast is a non-living system, while symplast is a living system.
Reason (R): Apoplast is a continuous system, while symplast is completely a discontinuous system.

1. Both A & B are true and R doesn't explain A

2. Both A & R are false

3. Both A & B are true and R explains A

4. A is true and B is false

Q. The apoplast does not hold true which of the following statements?

1. Not continuous path at the place of casparian strips of the endodermis in the roots
2. Occurs through the intercellular spaces and the walls of the cells
3. Crosses cell membrane
4. System of adjacent cell walls that is continuous throughout the plant

Q.

In stem, starch sheath is equivalent to:

Q. When water moves through the cell it is movement and when it moves through intercellular spaces it is movement.

1. antiplastic
2. apoplastic
3. coplastic
4. symplastic

Q. During plasmolysis, ________.

1. there is movement of water across the membrane from an area of higher water potential to lower water potential
2. there is movement of water across the membrane from an area of lower water potential to higher water potential
3. water moves inside the cell until equilibrium is reached
4. neither endosmosis nor exosmosis occurs

Q. If a plant cell’s 𝜳p = 2 bars and its 𝜳s = -3.5 bars, what is the resulting 𝜳w?

1. 0
2. -1.5 bars
3. 1.5 bars
4. 5.5 bars

Q. 59 What are the products formed when glucose and fructose are respectively treated with HIO4?

Q.

In which faster movement takes place

A.)apoplast B.) symplast

Q. In tall plants, because of which factor continuous water column extends upwards?

1. Atmospheric pressure
2. Osmotic pressure
3. Suction pull
4. Root pressure

Q. If a marine fish is placed in fresh water aquarium. will the fish be able to survive?

Q. Water is transported through the root layers by two different pathways. Identify the cell to cell pathway of water movement through plasmodesmata from the options given below.

1. Apoplast
2. Symplast
3. Uniport
4. Symport

Q. Which of the following is true/false regarding transport of substances in plants?
(i) Mass flow is the movement of substance in bulk as a result of pressure difference.
(ii) Bulk flow is achieved only through a positive hydrostatic pressure gradient.
(iii) The apoplast system is the system of interconnected protoplasts.
(iv) Most of the water flow in the roots occurs via the apoplast since the cortical cells are loosely packed, and offer no resistance to water movement.

1. (i) and (iv) are true; (ii) and (iii) are false.
2. (i) and (ii) are true; (iii) and (iv) are false.
3. (ii) and (iii) are true; (i) and (iv) are false.
4. (i), (ii) and (iv) are true; (iii) is false.

Q. Which of the following is correct about symplast?

1. Living continuum
2. Cell wall and intercellular space
3. Non-Living continuum
4. None of these

Q.

What is apoplast and symplast?

Q. The Casparian strips of root endoderm contain a mixture of

1. Cellulose and cutin
2. Cellulose and lignin
3. Lignin and suberin
4. Cellulose and suberin

Q. Water channel consists of how many type of aquaporins?

1. 1
   
2. 80
   
3. 8
   
4. 9
   

Q. In plants symplastic pathway does not involve:

1. Plasmodesmata
2. Intercellular space
3. Plasma membrane
4. Cytoplasm

Q. During absorption Transport of glucose in human body follows which mechanism-a)simple diffusion.b)active transport

Q. Apoplastic movement of water in plants occurs through

1. Casparian strips
2. plasma membrane
3. cell walls
4. plasmodesmata.

Q. Mineral absorption is

1. mostly passive with water absorption
2. mostly passive without water absorption
3. mostly active
4. always active

Q. Symplastic movement of water takes place through

1. plasmodesmata
2. casparian strip
3. endodermis
4. cell wall

Q.

How does the apoplastic movement of water take place?

Q.

Give the biological/technical term for the following:

Process of conversion of several molecules of glucose to one molecule of starch.

Q. Substrate level phosphorylation is seen which of these phases?

1. Glycolysis & ETS
2. ETS & TCA cycle
3. HSK pathway & Krebs cycle
4. TCA cycle

Q. Choose the correct answers from the alternatives given.
The instrument which is used for measuring the humidity of air is known as

1. Hygrometer
2. Psychrometer
3. Auxanometer
4. Both A and B