Zoology MCQs for Lecturer PPSC FPSC KKPSC SPSC Test No. 42

Leave a Comment / By Hassan / January 3, 2022

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Zoology. All the individuals who are going to appear in PPSC Lecturer of Zoology 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 Zoology, all Past Papers of Lecturer of Zoology 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.

Please Click Below START Button to Take this Lecturer Zoology Test Online.

Test Instructions:-
Test Name	Lecturer Zoology
Subject	Zoology Test 42
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Zoology Online Test No. 42

1 / 25

In an X- linked, or sex- linked, trait it is the contribution of____ the determines whether a son will display the trait.

The mother

The father

The paternal grandmother

The paternal grandfather

2 / 25

Which of these terms applies to an organism with extra sets of chromosomes?

Monosomy

Haploid

Trisomy

Polyploid

3 / 25

ABO blood type is an example of which type of dominance?

Codominance

Incomplete dominance

Simple dominant/ recessive traits

None of these is correct.

4 / 25

Humans are diploid and have 46 chromosomes ( or two sets). How many sets of chromosomes are found in each human gamete?

5 / 25

Identical twins result when a single fertilized egg divides in two. Another term for identical twin is ___.

Fraternal

Maternal

Monozygotic

Dizygotic

6 / 25

Most polyploid plants arise as a result of___.

Self fertilization

A mutation of gamete formation

Meiosis

Hybridization

7 / 25

Both chloroplasts and mitochondria___.

Are found within the nucleus

Have linear DNA

Carry extranuclear genes

Are inherited from both parents

8 / 25

If two genes are linked, __.

They are on different chromosomes

They assort independently

They code for the same protein

They are on the same chromosome

9 / 25

Using the product rule, what is the likelihood of obtaining a RRYY plant from dihybrid ( RrYy) parents?

1/4

1/12

1/16

1/64

10 / 25

Linked genes can be separated by anywhere from___ to ____ centimorgans.

0.....100

50...100

0....25

0......50

11 / 25

Mutant tetraploid plants____.

Are usually sickly

Are able to interbreed with their parents

Have an odd number of chromosomes

Are unable to interbreed with a diploid plant

12 / 25

How many map units is a recombination frequency of 5% equal to?

2.5 centimorgans

10 centimorgans

5 centisturtevants

13 / 25

Lethal alleles are usually:

Homozygous dominant alleles

Heterozygous alleles

Homozygous recessive alleles

Carried on the Y chromosome

14 / 25

Marfan syndrome and porphyria were historically difficult to trace through families or determine their mode of inheritance because of the variety of symptoms of each disease. Disorders or traits with many symptoms are____.

Pleiotropic

Epistatic

Incompletely

Codominant

15 / 25

If a fragment of a chromosome breaks off and then reattaches to the original chromosome at the same place but in the reverse direction, the resulting chromosomal abnormality is called___.

A deletion

An inversion

A translocation

A nondisjunction

16 / 25

___ is the process by which haploid gametes form a diploid zygote.

Embryogenesis

Meiosis

Gastrulation

Fertilization

17 / 25

A ___ appears to be an inherited trait but is instead caused by an environmental factor.

Multifactorial trait

Phenocopy

Variably expressive trait

Epistatic gene

18 / 25

If 60 out of 100 cats that inherit the dominant allele for polydactyly actually have extra digits the allele is said to be____.

Expressed

Completely penetrant

Codominant

60% penetrant

19 / 25

A particular allele can have different effects if it is inherited from a male rather than a female. This phenomenon is known as____.

Extranuclear inheritance

Aneuploidy

Sex linkage

Genomic imprinting

20 / 25

The most common phenotype in a natural population is referred to as the____.

Genotype

Wild type

Autosome

Mutant phenotype

21 / 25

What is the probability that a male will inherit an X- linked recessive allele from his father?

25%

50%

45%

22 / 25

A particular diploid plant species has 48 chromosomes, or two sets. A mutation occurs and gametes with 48 chromosomes are produced. If self fertilization occurs, the gametes will have____ set(s) of chromosomes.

23 / 25

Humans are diploid and have 46 chromosomes. How many chromosomes are found in each human gamete?

24 / 25

Human mitochondria____.

Are inherited as an X- linked trait

Are all inherited from the father

Have linear DNA

Are all inherited from the mother

25 / 25

A cross of a red flowered Snapdragon plant with a white- flowered Snapdragon produces a plant with pink flowers. This is an example of____.

Pleiotropy

Epistasis

Incomplete dominance

Codominance

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Zoology MCQs for Lecturer PPSC FPSC KKPSC SPSC Test No. 42

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