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Absorption of water is associated with

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Important Questions on Transportation

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Science>Biology>Transportation>Transportation in Plants
Which one of the following is not applicable to RNA?
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Science>Biology>Transportation>Transportation in Plants
Identify the correct order of organization of genetic material from largest to smallest :
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Science>Biology>Transportation>Transportation in Plants
Chromatophores take part in:
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Science>Biology>Transportation>Transportation in Plants
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:
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Science>Biology>Transportation>Transportation in Plants
Plants absorb water through its roots, stems and leaves. But, mainly water is absorbed by root hairs. These hair roots absorb water, when: 
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Science>Biology>Transportation>Transportation in Plants
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:
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Science>Biology>Transportation>Transportation in Plants
If you suspect major deficiency of antibodies in a person, to which of the following would you like for confirmation evidence?
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Science>Biology>Transportation>Transportation in Plants
Gene regulation governing lactose operon of E. coli that involves the lac I gene product is:
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Science>Biology>Transportation>Transportation in Plants
Fertilization in humans is practically feasible only if:
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Science>Biology>Transportation>Transportation in Plants
Microtubules are the constituents of:
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Science>Biology>Transportation>Transportation in Plants
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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HARD
Science>Biology>Transportation>Transportation in Plants
How does the transportation of water take place over the heights in a plant? Explain.
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Science>Biology>Transportation>Transportation in Plants
Nuclear envelope is a derivative of:
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Science>Biology>Transportation>Transportation in Plants
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
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Science>Biology>Transportation>Transportation in Plants
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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Science>Biology>Transportation>Transportation in Plants
Which one of the following is not an inclusion body found in prokaryotes?
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Science>Biology>Transportation>Transportation in Plants
Select the correct matching in the following pairs:
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Science>Biology>Transportation>Transportation in Plants

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
Science>Biology>Transportation>Transportation in Plants
Explain how the transport of water and food-materials occurs in plants.
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Science>Biology>Transportation>Transportation in Plants
Root pressure is usually acidic because: