PPSC FPSC KKPSC BPSC SPSC Lecturer Botany MCQs Test No. 54

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test NameLecturer Botany
SubjectBotany Test 54
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


Lecturer Botany Online Test No. 54

1 / 25

The DNA can be separated by:

2 / 25

DNA model was proposed by:

3 / 25

The two strands are bonded by each other by:

4 / 25

In semi- conservation replication, the two strands of the duplex separate out each acting as a model or mold, along which new nucleotides are arranged thus giving rise to two new:

5 / 25

The X ras diffraction pattern suggested that the DNA molecule had a shape of a helix with a diameter of:

6 / 25

The ___ predicted that parental DNA would become completely dispersed and that each strand of all the daughter molecules would be a mixture of old and new DNA.

7 / 25

The DNA can be separated on the basis of:

8 / 25

The __ stated that the parental double helix would remain intact and generate DNA copies consisting of entirely new molecules.

9 / 25

The two strand of DNA are:

10 / 25

The segments, called Okazaki fragments are about__ nucleotides long in eukaryotes.

11 / 25

DNA can be dissolved in:

12 / 25

The true E.coli replicating enzymes is DNA polymerase:

13 / 25

___ molecule is a simple double helix, with the basis of two strands pointed inward toward each other, forming base- pairs.

14 / 25

A complete DNA helical turn every:

15 / 25

According to Watson and crick the replication of DNA is:

16 / 25

The number of hydrogen bonding of guanine with cytosine are:

17 / 25

The three hypothesis of DNA replication were evaluated by Mathew Meselson and Franklin Stahl of the California Institute of Technology in:

18 / 25

There are___ commonly DNA polymerase.

19 / 25

One of the features of the DNA polymerase III is that it can add nucleotides only to a chain of nucleotides that is already paired with the:

20 / 25

___ , constructs an RNA primer:

21 / 25

Thymine form__ hydrogen bonding with Adenine.

22 / 25

Polymerase III progressively threads the DNA through the enzyme complex, moving at a rapid rate, some :

23 / 25

The E.coli replicating enzymes is DNA polymerase is ___  time longer.

24 / 25

Base pairs in DNA always consist of purines, (which are large), pointing toward pyrimidines (which are small), keeping the diameter of the molecule a constant:

25 / 25

Meselson and Sthal used the special Nitrogen:

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