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Worksheets

Genetics3

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which of the following is related to sex chromosome

a)

Down syndrome

b)

Klinefelter syndrome

c)

Turner syndrome

d)

More than one option is correct

2.

Nondisjunction of chromosomes is the main cause behind all the three types of chromosomal disorders which we have studied

a)

True

b)

False

3.

Y chromosome is not present in the case of turner syndrome

a)

True

b)

False

4.

Gynaecomastia is present in

a)

Turners

b)

Downs

c)

Klinefelter

5.

Which of the following is a sex linked recessive disorder

a)

Turner syndrome

b)

Haemophilia

c)

Phenylketonuria

d)

None of the above

6.

Down syndrome happens due to

a)

Trisomy

b)

Monosomy

c)

Mutation

7.

Which of the following disorder is related to enzyme

a)

Colour blindness

b)

Haemophilia

c)

Phenyl ketone urea

d)

None of the above

8.

Gynecomastia is the symptom of

a)

Turner syndrome

b)

Klinefelter syndrom

c)

Patau syndrome

d)

All

9.

Which of the following is a mendelian disorder

a)

Turner syndrome

b)

Diabetes

c)

Genetic cancer

d)

Colour blindness

10.

Expression of a trait involves

a)

Several factors

b)

Enzymes

c)

Hormones

d)

All of the above

11.

Rudimentary ovaries is the symptom of klinefelter syndrome

a)

True

b)

False

12.

Phenyl ketone urea is a mendelian disorder

a)

True

b)

False

13.

We do not have exceptions for law of independent assortment

a)

True

b)

False

14.

Rediscovery of mendel's work happened just few years later on publication of mendel's work

a)

True

b)

False

15.

Similar genotypes and phenotype ratio is obtained in the case of

a)

Codominance

b)

Incomplete dominance

c)

Dominance

16.

Chromosomal disorders arises only due to quantitative change in the chromosome number

a)

True

b)

False

17.

Thalassaemia is a

a)

Genetic disorder

b)

Mendelian disorder

c)

single gene mutation

d)

All of The above

18.

Which is deviation from mendel's law

a)

Independent assortment

b)

Segregation of alleles

c)

Codominance

d)

Dominance

19.

Mendel was

a)

Celebrated scientist

b)

University professor

c)

Researcher in an university

d)

None of the above

20.

Nondisjunction of chromosome leads to

a)

Klinefelter syndrome

b)

Turner syndrome

c)

Down's syndrome

d)

All of the above