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 Name Lecturer Botany
Subject Botany Test 54
Test Type MCQs
Total Questions 25
Total Time 20 Minutes
Total Marks 100

You have 20 minutes to pass to the quiz.

Lecturer Botany Online Test No. 54

1 / 25

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

2 / 25

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

3 / 25

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

4 / 25

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

5 / 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:

6 / 25

The two strands are bonded by each other by:

7 / 25

Meselson and Sthal used the special Nitrogen:

8 / 25

The number of hydrogen bonding of guanine with cytosine are:

9 / 25

The two strand of DNA are:

10 / 25

DNA model was proposed by:

11 / 25

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

12 / 25

DNA can be dissolved in:

13 / 25

The true E.coli replicating enzymes is DNA polymerase:

14 / 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:

15 / 25

According to Watson and crick the replication of DNA is:

16 / 25

Thymine form__ hydrogen bonding with Adenine.

17 / 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.

18 / 25

The DNA can be separated by:

19 / 25

The DNA can be separated on the basis of:

20 / 25

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

21 / 25

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

22 / 25

A complete DNA helical turn every:

23 / 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:

24 / 25

___ , constructs an RNA primer:

25 / 25

There are___ commonly DNA polymerase.

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