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.

You have 20 minutes to pass to the quiz.

Lecturer Botany Online Test No. 54

1 / 25

The DNA can be separated on the basis of:

2 / 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:

3 / 25

The number of hydrogen bonding of guanine with cytosine are:

4 / 25

DNA model was proposed by:

5 / 25

The true E.coli replicating enzymes is DNA polymerase:

6 / 25

The two strands are bonded by each other by:

7 / 25

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

8 / 25

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

9 / 25

DNA can be dissolved in:

10 / 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:

11 / 25

There are___ commonly DNA polymerase.

12 / 25

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

13 / 25

Thymine form__ hydrogen bonding with Adenine.

14 / 25

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

15 / 25

The two strand of DNA are:

16 / 25

___ , constructs an RNA primer:

17 / 25

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

18 / 25

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

19 / 25

The DNA can be separated by:

20 / 25

Meselson and Sthal used the special Nitrogen:

21 / 25

According to Watson and crick the replication of DNA is:

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

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

25 / 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.

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