Who is the father of Biology and Zoology

1.  Theophrastus

2.  Aristotle

3.  Darwin

4.  Basteson

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4
Correct Answer :

Aristotle


Explanation :
No Explanation available for this question

Development of a sporophyte directly from the unfertilized egg is called:

1.  aposporty

2.  parthenogenesis

3.  apogamy

4.  syngamy

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4
Correct Answer :

parthenogenesis


Explanation :
No Explanation available for this question

During protein synthesis in an organism at one point, the process comes to a halt. Select the group of the three codons from the following, by which any one of the three could bring about this halt

1.  UUU, UCC, UAU

2.  UUC, UUA, UAC

3.  UAG, UGA, UAA

4.  UUG, UCA, UAA

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4
Correct Answer :

UAG, UGA, UAA


Explanation :
No Explanation available for this question

E. coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because

1.  in the presence of glucose, E. coli do not utilize lactose

2.  they cannot transport lactose from the medium into the cell

3.  the lac operon ic constitutively active in these cells

4.  they cannot synthesize functional β-galactosidase

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4
Correct Answer :

they cannot synthesize functional β-galactosidase


Explanation :
No Explanation available for this question

Eukaryotic RNA polymerase-III catalyses the synthesis of

1.  mRNA

2.  tRNA and 5S rRNA

3.  18S rRNA

4.  5S rRNA

5.  All of these

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5
Correct Answer :

tRNA and 5S rRNA


Explanation :
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Study the following columns Column I Column II Pasteurella pesits angular vleaf spot of cotton Treponema pallidum Amphoterican Mycobacteria bovis actinomycosis of cattle Streptomyces syphills Pla

1.  A    B   C   D 4     1    2     3

2.  2     3    4     5

3.  5    4     3     2

4.  3    2      1    4

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4
Correct Answer :

5    4     3     2


Explanation :
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Computerised tomography (CT) was invented by :

1.  Waller

2.  Sir Godfrey Hounsfield

3.  Bloch

4.  Purcell

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4
Correct Answer :

Sir Godfrey Hounsfield


Explanation :
No Explanation available for this question

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