Uptake of Mineral Ions

Q. Choose the correct set of answers from the options given below.
I. Minerals present in the soil are charged.
II. The concentration of minerals in the root is usually lower than the concentration of minerals in the soil.
III. Most minerals utilizes energy to enter the cytoplasm of epidermal cells.
IV. Majority of the mineral uptake takes place through passive transport.

1. I and II
2. II and IV
3. I and III
4. II and III

Q.

Translocation of food in plants is carried out by__________.

Q. Assertion: Most minerals must enter the root by the active absorption into the cytoplasm of epidermal cells.

Reason : This transportation needs energy in the form of ATP. Some ions also move into the epidermal cells passively.

1. If both assertion and reason are true and reason is correct explanation of assertion.
2. If both assertion and reason are true but reason is not the correct explanation of assertion
3. If assertion is true but reason is false.
4. If both assertion and reason are false.
   

Q. Water absorption is mostly ___1____ and mineral absorption is mostly __2_____.

1. 1- passive, 2 - passive
2. 1 - active, 2 - active
3. 1 - active, 2 - passive
4. 1 - passive, 2 - active

Q. how inhibitor react with proteins side chain

Q. In plants, the tonoplast facilitates the transport of a number of ions and other materials

1. against concentration gradient into vacuole
2. along concentration gradient into vacuole
3. along concentration gradient into gas vacuole
4. against concentration gradient into contractile vacuole

Q. Not all minerals undergo remobilization in plants. Which of the following options substantiates the statement?

1. Phosphorous
2. Sulphur
3. Nitrogen
4. Calcium

Q.

Name the pathways involved in transport of water through roots.

Q. Concentration of minerals is higher

1. in the soil solution
2. outside the roots
3. inside the roots
4. in the phloem sap

Q. Half life of Iodine 131 is 8.1 days . What is the activity of 0.8 mg of Iodine 131 A. 3.6 * 109 bq B. 4.98 * 1010 bq C. 9.85 *1010 bq D. 9.85 * 109 vs

Q. Passive absorption of minerals occur via

1. simple diffusion
2. transmembrane proteins
3. All of the above
4. ion channels

Q.

Phloem transport___________ from___________ to other parts of the plant.

Q. Select the correct sequence of pathway of mineral absorption.

1. Soil→ epidermis→ endodermis→ xylem
2. Soil→ endodermis→ epidermis→ xylem
3. Soil→ epidermis→ xylem→ endodermis
4. Soil→ endodermis→ xylem→ epidermis

Q. The intake of minerals into the cytoplasm of cells is

1. slow
2. active
3. pumps mediated
4. All of the above

Q. How are low or high concentration gradient created in electron transport system or chain????😄😂😀😀☺

Q. Select the correct statement with respect to minerals present in soil.

1. Minerals can move freely across the membrane.
2. Minerals in the soil are usually found dissolved in water.
3. Minerals are present in their elemental forms in the soil.
4. Minerals do not require the aid of transporters.

Q. Function of vessels in flowering plants is

1. transport of water and minerals
2. to get rid of excess water
3. transport of food
4. photosynthesis

Q.

A shoot from a balsam plant is kept in an eosin solution (pink coloured) for 3 - 4 hours. The pink colour likely to be seen in:

1. (A) phloem tissue

2. (B) Cortex

3. (C) xylem tissue

4. (D) Endodermis

Q. Fall of immature leaves is due to the defiency of

1. Sulphur
2. Potassium
3. Phophorus
4. Nitrogen

Q. Glucose enters cell through specific transport proteins .which specific transport proteins they are? Name them also.

Q.

What is slime body?

Q. What is facilitated diffusion?

Q.

Which of the following is done during the ringing experiment?

1. Bark is removed

2. Xylem is removed

3. Pith is removed

4. All the above

Q. Water absorption is mostly ___1____ and mineral absorption is mostly __2_____.

1. 1- passive, 2 - passive
2. 1 - active, 2 - active
3. 1 - passive, 2 - active
4. 1 - active, 2 - passive

Q. Which of the following is / are the means of transport inside the body of a flowering plant?

1. Diffusion
2. Cytoplasmic streaming
3. Through xylem and phloem
4. All the above

Q. What is passive abdorption ?

Q.

What is the main pathway for water conservation?

Q. Assertion :Ions are absorbed from the soil by active transport only. Reason: The proteins present in the membranes of root hair cells passively pump ions from the soil into the cytoplasm of the epidermal cells.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

Give the Biological/technical term for the following:

The process of uptake of mineral ions against the concentration gradient using energy from the cell.

Q. Concentration of minerals is higher

1. in the soil solution
2. outside the roots
3. inside the roots
4. in the phloem sap