Transport and Nutrition in Plants

Which one of the following elements is not an essential micronutrient for plant growth?

The first stable product of fixation of atmospheric nitrogen in leguminous plants is:

Which of the following criteria does not pertain to fecilitated transport?

Which one of the following pairs is wrongly matched?

Which one of the following is not an essential mineral element for plants while the remaining three are?

The function of leg haemoglobin in the root nodules of legumes is:

Which one of the following elements in plants is not remobilised?

Which one ofo the following is essential for photolysis of water?

A prokaryotic autotrophic nitrogen fixing symboint is found in:

Nitrogen fixation in root nodules of Alnus is brought about by:

Which of the following elements is a constituent of biotin?

An element playing important role in nitrogen fixation is:

Best defined function of Manganese is green plants is:

One of the free-living, anaerobic nitrogen – fixer is:

Which one the following is a symbiotic nitroger fixer?

Which one of the following is not a micronutrient?

For its activity, carboxypertidase requires

For its action, nitrogenase requires

Guttation is the result of:

manganese is required in:

Guard cells help in:

Nitrifying bacteria:

Which two distinct mictobial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N) to the atmosphere?

The repture and fractionation do not usually occur in the water column in vessel / tracheids during the ascent of sap because of

Two cells A and B are contiguous. Cell A has osmotic pressure 10 atm, turgor pressure 7 atm and diffusion pressure deficit 3 atm. Cell B has osmotic pressure 8 atm, turgor pressure 3 atm and diffusion pressure deficit 5 atm. The result will

Which one of the following is wrong statement about nitrogen fixing?

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starach (a-e) make it useful as a storage material?
(A) Easily translocated
(B) Chemically non-reactive
(C) Easily digested by animals
(D) Osmotically inactive
(E) Synthesised during photosynthesis
The useful properties are

Which one of the following is correctly matched about plant nutrients?

Which one of the following statements is correct ?

Read the following four statements (A-D).

Wilting of plant is due to

Who proposed cohesion theory of water movement in plants?

Which one of the following is not an essential mineral element for plants while the remaining three are?

Which one of the following is not a micronutrient?

Which one of the following is essential for photolysis of water?

Which one of the element in plants is not remobilised?

Which of these is/are not a property of facilitated transport?
A. Requires special membrane proteins
B. Highly selective
C. Uphill transport
D. Requires ATP energy

Which of the following would be in insignificant amount in xylem sap?

Which of the following water is available to plants?

Which of the following statements about plasmolysis is/are true?
I. Plasmolysis occurs when water moves into the cell
II. Cells shrink in hypotonic solutions
III. If the external solution balances the osmotic pressure of the cytoplasm, it is said to be isotonic

Which of the following plant material is an efficient water imbibant?

Which of the following is used as an antitranspirant?

Which of the following is not true for active transport?

Which of the following is not a function of zone of cell differentiation in roots?

Which of the following is most important factor in regulation of transpiration?

Which of the following has maximum water potential?

Which of the following criteria does not pertain to facilitated transport?

Which of the following are a group of micronutrients for plants?

Which is not the function of transpiration?

Which cells on grass leaves help in minimizing cuticular transpiration?

Which among the following has highest water potential?

When water moves through a semi permeable membrane then which of the following pressure develops?

When water moves out of the plant cell and the cell membrane of a plant shrinks away from its cell, then this condition is known as

When the concentration of the solutes is low in plant cell, absorption of water is

When plant cells are kept in hypertonic salt solution, they get

When one element is involved in opening and closing of stomata, the other helps to maintain the ribosome structure. They are

When a potato piece is kept in a concentrated salt solution then

When a cell is dipped in a solution having a higher concentration of solutes than intracellular fluids the solution is called

When a bottle of perfume is placed at one corner of a room and the lid opened, the scent spreads all over the room after sometime. This happens by the process of

What will be the direction of movement of water, when a solution A having water potential of – 9 bars and another solution of B of -4 bars is separated by a semipermeable membrane?

What is the correct about the movement of substance across the membrane in facilitated diffusion?

What happens, if a large amount of water enters in plant cell?

Water reaches the top of a plant due to

Water movement between cells is due to

Water in the soil available to plants is

Water enters from soil into the root hairs due to

Uphill transport is a type of

Unloading of minerals occur at

Transportation is very important for plants because it helps in

The value of water potential for pure water is

The type of transport taking place across biomembranes without the help of proteins is

The transport of ions up the stem to all parts is through

The technique of growing plants, in water culture is called

The selective permeability of the plasma membrane allows the cell to maintain a constant internal environment. This has been termed as

The real force responsible for the movement of water, from one cell to other cell, is mainly through

The rate of transpiration can be measured with the help of

The process by which water is absorbed by solids like colloids causing them to increase in volume is called

The principal pathway of water translocation in angiosperms is

The plants face wilting due to use of excessive fertilizers, because of

The phenomenon of plasmolysis is evident when cells are kept in

The oxygen evloved during photosynthesis, comes from water molecules. Which one of the following pairs of elements is involved in this reaction?

The most widely accepted theory of ascent of sap is

The magnitude of root pressure ranges between

The lowest water potential is found in

The internal factor affecting transpiration is

The factor most important in regulating transpiration is

The degree of opening of stomata is determined by

The deficiency of this micro nutrient results in ‘little leaf’ disease.

The deficiencies of micronutrients not only affects the growth of the plants but also its vital functions, such as photosynthetic and mitochondrial electron flow. Among the list given below, which group of three elements will mostly affect, both photosynthetic and mitochondrial electron transport?

The cohesive force existing between molecules of water is contributing to

The cellular transport method which involves use of transmembrane proteins without energy expenditure is called

Technique of growing plants without soil in nutrient solution is called

Stomata open at night in

Sir.J.C. Bose proposed which of the following theory to explain the process of ascent of sap?

Simultaneous movement of two molecules across a membrane in the same direction is known as

Root pressure is due to

Radial conduction of water takes place by

Plants obtain carbon and most of their oxygen from

Plants could be grown to maturity in a defined nutrient solution was demonstrated for the first time by

Plants can be cultivated in soil-less medium where all required nutrients are supplied from the outside in water solution, this method comes under

Passage of materials to and from the cells is carried out by…… and active transport. Fill in the blanks with a suitable option given below

Passage cells helps in

Osmosis is a type of

Osmosis involves

One mineral activates the enzyme catalase and the other is a constituent of the ring structure of chlorophyll. These minerals are respectively

Nitrogen is absorbed by plants in form of

Necrosis, or death of tissue particularly leaf tissue, is due to the deficiency of

Na⁺/K⁺ pumb is associated with

Movements of molecules of gases, liquids and solutes from a region of higher concentration to a region of lower concentration is termed as

Minerals known to be required in large amounts for plant growth include:

Mineral salts are absorbed by the roots from soil in the form of

Micronutrients are needed in amounts equivalent to

Long distance transport of organic and inorganic substances in plants occurs through

Living cells placed in isotonic solution (0.9% saline) retain their size and shape. This is based on the concept of

In which one of the following expenditure of enerrgy is required?

In which of the following plant type is osmotic pressure the highest?

In the process of osmosis, the volume of solvent

In the cell walls of the guard cells, cellulose microfibrils are oriented

In plants, water supply is due to

In hypertonic solution, the water potential of a cell

In higher plants, continuity of cytoplasm from one cell to its neighbouring cells is established through

If flowers are cut and dipped in dilute NaCl solution,

If a cell increases in volume when kept in a solution the solution must be

Hydroponics – Select the right answer

How would you differentiate between apoplast and symplast?