MyQuestionIcon

2

You visited us 2 times! Enjoying our articles? Unlock Full Access!

Chromosomes

Assertion :Re...

Question

Assertion :Red-green colour blindness occurs with more frequency in males than in females. Reason: Females have two X chromosomes and males have one.

A

Both A and R are true and R is the correct explanation of A

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

Both A and R are true but R is not a correct explanation of A

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

A is true but R is false

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

A is false but R is true

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A Both A and R are true and R is the correct explanation of A
Men are much more likely to be colourblind than women because Males only have one X chromosome, while females have two X chromosomes.
So, the correct option is 'Both A and R are true and R is the correct explanation of A'.

Suggest Corrections

thumbs-up

0

Similar questions

Assertion (A): Steel is more elastic than rubber.

Reason (R) : Under a given deforming force, steel is deformed less than rubber.

A) Both Assertion and Reason are true and the reason is correct explanation of the assertion
B)Both Assertion and Reason are true, but reason is not correct explanation of the assertion
C) Assertion is true, but the reason is false
D) Assertion is false, but the reason is true

Q. Assertion :Sex ratio in India is in favour of males. Reason: In females there is a high rate of mortality during maternity.

Q. Assertion: 3 + 7 = 9 is a statement.
Reason: A sentence that can be judged to be true or false, but not both, is called a statement.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. (i)
Assertion: A circle is not a rectilinear figure.
Reason: A figure formed by straight lines only is called a rectilinear figure.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.
(ii)
Assertion: All right angles are equal to one another.
Reason: A unique line passes through a single point.
(a) Both Assertion and Reason are true and Reason is a correct explanation of Assertion.
(b) Both Assertion and Reason are true but Reason is not a correct explanation of Assertion.
(c) Assertion is true and Reason is false.
(d) Assertion is false and Reason is true.

Q. Assertion : Phototropism is a directional growth movement.
Reason : Phototrophic movement occur in the direction of light

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Cell Organelles

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard X Biology

Join BYJU'S Learning Program

CrossIcon