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Recent questions tagged aipmt

Assertion (A): Ovulation occurs during early menstrual cycle. Reason (R): Rapid secretion of LH leading to its maximum level called LH surge induces rupture of Graafian follicle and thereby the release of ovum. Regarding (A) and (R):

asked Apr 3, 2014 by pady_1

1 answer

In the middle of the menstrual cycle :

asked Apr 3, 2014 by pady_1

1 answer

Regarding the secretion of gonadotropins in menstrual cycle- choose the incorrect one :

asked Apr 3, 2014 by pady_1

1 answer

Regarding follicular phase - choose the incorrect one :

asked Apr 3, 2014 by pady_1

1 answer

Regarding menstrual cycle - choose the incorrect one :

asked Apr 3, 2014 by pady_1

1 answer

Ovulation is : (choose the most appropriate option)

asked Apr 3, 2014 by pady_1

1 answer

Figure shows a capacitor made of two circular plates each of radius $12\: cm$, and separated by $5\: cm$. The capacitor is being charged by an external source. The charging current is constant and equal to $0.15\: A$. The rate of change in potential difference between the plates is

asked Apr 3, 2014 by balaji.thirumalai

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:The deficiency of calcium symptoms first appear in the apical region}\\\text{Reason:Calcium is highly mobile in plants}\end{array}$

asked Apr 3, 2014 by sreemathi.v

1 answer

Match the items in column I with items in column II:

asked Apr 3, 2014 by sreemathi.v

1 answer

Match the items in column I with items in column II:

asked Apr 3, 2014 by sreemathi.v

1 answer

Match the items in column I with items in column II:

asked Apr 3, 2014 by sreemathi.v

1 answer

Which of the following is used to determine the rate of transpiration in plants?

asked Apr 3, 2014 by sreemathi.v

1 answer

Guttation is the process of elimination of water from plants through

asked Apr 3, 2014 by sreemathi.v

1 answer

Percentage of water left in the soil when plant wilts is known as

asked Apr 3, 2014 by sreemathi.v

1 answer

Wilting in plants occurs when

asked Apr 3, 2014 by sreemathi.v

1 answer

Active $K^+$ exchange mechanism for opening and closing of stomata was given by

asked Apr 3, 2014 by sreemathi.v

1 answer

Which of the following is most likely cause for wider opening of stomata?

asked Apr 3, 2014 by sreemathi.v

1 answer

How many molecules of oxygen gas are used during the glycolysis of one glucose molecule?

asked Apr 3, 2014 by sreemathi.v

1 answer

What is the end product of glycolysis?

asked Apr 3, 2014 by sreemathi.v

1 answer

Enzymes taking part in glycolysis (EMP pathway) are present in

asked Apr 3, 2014 by sreemathi.v

1 answer

Glycolysis is a process found in

asked Apr 3, 2014 by sreemathi.v

1 answer

Which of the following is true about fermentation?

asked Apr 3, 2014 by sreemathi.v

1 answer

When yeast is producing wine, which of the following is not formed?

asked Apr 3, 2014 by sreemathi.v

1 answer

Fumarase enzyme converts

asked Apr 3, 2014 by sreemathi.v

1 answer

When a molecule of pyruvic acid is subjected to anaerobic oxidation and forms lactic acid, there is

asked Apr 3, 2014 by sreemathi.v

1 answer

How many molecules of ATP are gained during anaerobic respiration of one molecules of glucose?

asked Apr 3, 2014 by sreemathi.v

1 answer

In which of the following , respiration in absence of oxygen too takes place?

asked Apr 3, 2014 by sreemathi.v

1 answer

In anaerobic respiration in plants

asked Apr 3, 2014 by sreemathi.v

1 answer

The end products of respiration in plants are

asked Apr 3, 2014 by sreemathi.v

1 answer

Energy yield as a result of total oxidation of 1 glucose molecule during cellular respiration is to convert

asked Apr 3, 2014 by sreemathi.v

1 answer

Complete oxidation of $1 \;gm$ mole of glucose gives rise to

asked Apr 3, 2014 by sreemathi.v

1 answer

In eukaryotic cell, RNA is synthesized by how many RNA polymerases ?

asked Apr 3, 2014 by pady_1

1 answer

IPTG or allolactose in the process of lac operon is used as an

asked Apr 3, 2014 by pady_1

1 answer

Transcription of the operon is controlled by the lac repressor protein encoded by which gene ?

asked Apr 3, 2014 by pady_1

1 answer

$\beta$-galactosidase, galactose permease and thiogalactoside transacetylase are encoded by which of the following lac operon genes respectively?

asked Apr 3, 2014 by pady_1

1 answer

DNA replication occurs only in which phase ?

asked Apr 3, 2014 by pady_1

1 answer

Which protein helps in preventing the single stranded regions to base pair again, so that each of the two DNA strands is accessible for replication?

asked Apr 3, 2014 by pady_1

0 answers

During DNA replication in bacteria, the unwinding of the double helix (using ATP as energy source) is done by

asked Apr 3, 2014 by pady_1

1 answer

Which precursor is needed by DNA polymeraseI, during addition of dNTPs (dATP, dGTP, dTTP and dCTP) to the 3' OH end of the DNA chain ?

asked Apr 3, 2014 by pady_1

0 answers

E. coli DNA polymerases II and III lack which activity ?

asked Apr 3, 2014 by pady_1

1 answer

Eukaryotic DNA replication is ________ in nature.

asked Apr 3, 2014 by pady_1

1 answer

Nucleosomes are organized into ____ diameter fiber.

asked Apr 3, 2014 by pady_1

1 answer

Nuclear DNA- protein complex is called

asked Apr 3, 2014 by pady_1

0 answers

Histone proteins are _______ in nature.

asked Apr 3, 2014 by pady_1

1 answer

In eukaryotic cell, the DNA is packaged into chromosomes and is present in___________.

asked Apr 3, 2014 by pady_1

0 answers

The DNA in a bacterium is a supercoiled double-stranded circular molecule that is packaged in the _______________region of the cell.

asked Apr 3, 2014 by pady_1

0 answers

Who worked out the three-dimensional structure of DNA starting from x-ray diffraction photographs taken by franklin and wilkins ?

asked Apr 3, 2014 by pady_1

0 answers

The complementary base pairing between the bases A:T & G:C are bonded by which bond ?

asked Apr 3, 2014 by pady_1

0 answers

The two DNA strands are organized in ______________ arrangement.

asked Apr 3, 2014 by pady_1

0 answers

DNA polymerase I also corrects mistakes in DNA by removing mismatched nucleotides, it is known as

asked Apr 3, 2014 by pady_1

0 answers

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