PPSC FPSC KKPSC BPSC SPSC Lecturer Botany MCQs Test No. 60

Leave a Comment / By Hassan / December 21, 2021

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Botany. All the individuals who are going to appear in PPSC Lecturer of Botany written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Botany, all Past Papers of Lecturer of Botany PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
Practice this test at least 5 times if you want to secure High Marks.
At the End of the Test you can see your Test score and Rating.
If you found any incorrect answer in Quiz. Simply click on the quiz title and comment below on that MCQ. So that I can update the incorrect answer on time.

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Test Instructions:-
Test Name	Lecturer Botany
Subject	Botany Test 60
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. 60

1 / 25

In man the pattern of sex determination is:

Both b & c

2 / 25

Genes can be mapped on a chromosome on the basis of their:

Linked gene loci

Recombination frequencies

Combination frequencies

None of the above

3 / 25

A gamete without any sex chromosome is called:

True gamete

Nullo gamete

Full gamete

None of the above

4 / 25

A trait whose gene is present on X chromosome is called:

X- linked trait

X- trait

Y- linked trait

All of the above

5 / 25

The female grasshopper has __ chromosomes in the form of 11 pairs of autosomes and a pair of X chromosomes .

6 / 25

Y chromosome is not completely inert. It does carry a few genes which have no counterpart on X chromosome. Such genes are called:

Y- linked genes

X- trait

Y- linked trait

All of the above

7 / 25

It is an exchange of segments between non- sister chromosome of homologous chromosome during meiosis :

Crossing over

Combination

Linkage

Variation

8 / 25

Variations in trait provide raw material for:

Evolution

Genetic recombination

Variations among individuals

All of the above

9 / 25

The recombination frequencies between two linked genes can be calculated by ___ the heterozygote to a homozygous double recessive:

Backcrossing

Test ceossing

Multiple crossing

None of the above

10 / 25

Linkage genes can be separated by:

Crossing over

Combination

Linkage

Variation

11 / 25

In protenor bug male is:

All of the above

12 / 25

The recombination frequency is directly proportional to the distance between the:

Linked gene loci

Two gene loci

Multiple gene loci

All of the above

13 / 25

Its name SRY stands for:

Sex determining regions of Y

Sex determining regions of X

Both a & b

None of the above

14 / 25

1% of recombination frequency is equal to:

2 unit map distance

0 unit map distance

1 unit map distance

3 unit map distance

15 / 25

Some species like Ginkgo are dioecious having plants of:

Separate sexes

Same sexes

Both sexes in same plant

All of the above

16 / 25

The number of autosomal pair in man is:

17 / 25

All chromosomes other than sex-chromosomes are called:

Autosomes

Sex chromosome

Both a & b

None of the above

18 / 25

The fruit fly, Drosophila melanogaster has:

Eight chromosomes

Nine chromosomes

Ten chromosomes

Eighteen chromosomes

19 / 25

The sexes are specified by simple allelic differences at a small number of gene loci:

Genic system

Genetic system

Both a & b

None of the above

20 / 25

Yeast has:

One sex chromosome

Two sex chromosome

Three sex chromosome

Do not have sex chromosome

21 / 25

The two linked genes A and B with a 30% recombination frequency must be:

20 units apart

30 units apart

40 units apart

50 units apart

22 / 25

The chromosome that determines the sex of the individual is termed as:

Autosomes

Sex chromosome

Both a & b

None of the above

23 / 25

Linked genes whose loci are close to each other do not obey Mendel's law of independent assortment, because these cannot assort independently during:

Meiosis

Mitosis

Both a & b

None of the above

24 / 25

SRY gene on Y chromosome of human determines:

Female character

Maleness

Ovulation

All of the above

25 / 25

___ discovered that pollens of certain plants were sex - determining:

Correns

Mendel

Pasture

Both a & c

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