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Plant cells submerged in distilled water will become

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Important Questions on Transport in Plants

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Mitochondria and chloroplast are:

(i) Semi - autonomous organelles

(ii) Formed by the division of pre-existing organelles and they contain DNA but lack protein synthesizing machinery

Which one of the following option is correct?

HARD

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Explain the osmosis and draw a labelled diagram of demonstration of osmosis by a thistle funnel.

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Microtubules are the constituents of:

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Chromatophores take part in:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Assertion ( $A$ ): The flow of solvent molecules from a pure solvent to the solution through semipermeable membrane is osmosis.

Reason $(R) :$ Pure solvent molecules flow out of the solution through semipermeable membrane if a pressure larger than the osmotic pressure is applied to the solution side.

The correct answer is:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Identify the correct order of organization of genetic material from largest to smallest :

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Fertilization in humans is practically feasible only if:

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Proteins

P, Q,

and

R

are associated with an intact organellar membrane in a cell. If the intact organelle is treated with a high ionic strength buffer, only protein

R

remained associated with the membrane fraction. Based on this, one could conclude that:

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Which of the following physico-chemical techniques is commonly used to desalinate brackish water?

HARD

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Explain the process with a diagram when a living cell is placed in a concentrated solution.

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

If you suspect major deficiency of antibodies in a person, to which of the following would you like for confirmation evidence?

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Two semi - permeable bags containing 2% sucrose are placed in two beakers, 'P' containing water and 'Q' containing 10% sucrose. Which one of the following outcomes is true?

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Which one of the following is not applicable to RNA?

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Root pressure is usually acidic because:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

Match the columns and identify the correct option.

	Column I		Column II
A	Thylakoids	(i)	Disc-shaped sacs in Golgi apparatus
B	Cristae	(ii)	Condensed structure of DNA
C	Cisternae	(iii)	Flat membranous sacs in stroma
D	Chromatin	(iv)	Infoldings in mitochondria

EASY

Biology>Plant Physiology>Transport in Plants>Plant Water Relations

The schematic below describes the states of the lac operon in the absence of lactose. Which ONE of the following happens when lactose is present in the cell?
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