EASY
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The solution with maximum DPD has _________ diffusion pressure.

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Important Questions on Transport in Plants

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Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Which one of the following is not applicable to RNA?
MEDIUM
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Identify the correct order of organization of genetic material from largest to smallest :
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
The molecular weight of E coil. DNA is 3.1×109 g/mol. The average molecular weight of the nucleotide pair is 660 g/mol and each nucleotide pair contributes to 0.34 nm to the length of DNA. The length of E coli DNA molecule will be approximately:
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
Chromatophores take part in:
HARD
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Gene regulation governing lactose operon of E. coli that involves the lac I gene product is:
MEDIUM
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Microtubules are the constituents of:
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?

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?
Question Image
MEDIUM
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
What are porins? What role do they play in diffusion?
HARD
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Nuclear envelope is a derivative of:
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
MEDIUM
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
In sea urchin DNA, which is double-stranded, 17% of the bases were shown to be cytosine. What are the percentages of other three bases expected to be present in this DNA?
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Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Which one of the following is not an inclusion body found in prokaryotes?
HARD
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
Select the correct matching in the following pairs:
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
What are porins? Mention the role they play in diffusion?
MEDIUM
Biology>Plant Physiology>Transport in Plants>Plant Water Relations
What are porins? What role do they play in diffusion?