Biology - Questions and Answers, General Study (GK)

Home » General Study » Biology - Questions and Answers Objective Questions

Biology - Questions and AnswersPage 34

331.

A normal woman whose father was colour-blind is married to a normal man. The sons would be

(a)75% colourblind

(b)50% colourblind

(c)All normal

(d)All colourblind

Comment

Answer is: BNA

332.

Gene for colour blindness is located on

(a)Y-chromosome

(b)13^th chromosome

(c)X-chromosome

(d)21^st chromosome

Comment

Answer is: DNA

333.

Gene present on Y-chromosome are called

(a)Halandric genes

(b)Basic gene

(c)Pleiotropic genes

(d)Polygenic genes

Comment

Answer is: ANA

334.

Sex-determination by environment factors is commonly observed in

(a)Drosophila melanogaster

(b)Mirabilis jalapa

(c)Melandrium album

(d)Bonelliaviridis

Comment

Answer is: DNA

335.

The absence of Y-chromosomes in human beings causes

(a)Turner's syndrome

(b)Klinefelter's syndrome

(c)Down's syndrome

(d)No abnormality

Comment

Answer is: ANA

336.

Gaucher's disease is associated with abnormal metabolism of

(a)Fat

(b)Nucleic acid

(c)Protein

(d)Carbohydrates

Comment

Answer is: ANA

337.

Which of the following is sex-linked in heritance?

(a)Thalassemia

(b)Phenylketonuria

(c)Goitre

(d)Haemophilia

Comment

Answer is: DNA

338.

Gynandromorph is

(a)Male with female traits

(b)Female with male traits

(c)Half male and half female

(d)None of the above

Comment

Answer is: CNA

339.

Chromosomes be counted best in

(a)Metaphase

(b)Early prophase

(c)Mid Prophase

(d)Late prophase

Comment

Answer is: ANA

340.

Increase of age decreases

(a)Crossing over

(b)Linkage

(c)Polyploidy

(d)Mutation

Comment

Answer is: ANA

Comments

No comment yet.

Biology - Questions and AnswersPage 34

Comments

Similar GS Topics

Top 10 List

Miscellaneous

Follow us on YouTube

Links

Social links

For Coaching Class/Schools

Subscribe for updates