MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Artificial Hybridisation

Assertion :Th...

Question

Assertion :Thorns of Artabotrys are modified floral stalks. Reason: In Antigonon, the upper floral buds develop thorns

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

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

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

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

C

If the assertion is true but the reason is false

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

D

If both the assertion and reason are false

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

Open in App

Solution

The correct option is C If the assertion is true but the reason is false
The pedicles or floral stacks of Artabotrys are modified into stiff curved thorns or hooks for helping in climbing In Antigonon the flowers occur in bunches in the axils of scale leave on the floral shoot The upper floral buds develop into tendrils instead of forming flowers.

Suggest Corrections

thumbs-up

0

Similar questions

Q. Assertion : Amount of cyanocobalamine required daily is 3 mcg
Reason : Its deficiency causes pernicious anaemia

Q. Assertion: C₄ – photosynthetic pathway is more efficient than C₃ pathway Reason: Photorespiration is suppressed in C₄ plants

Q. Assertion: The point O(0, 0) lies in quadrant I.
Reason: The point O(0, 0) lies on both the axes.
(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: A cyclic parallelogram is a square.
Reason: Diameter is the largest chord in a circle.
(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: Every parallelogram is a rectangle.
Reason: The angle bisectors of a parallelogram form a rectangle.
(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.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

BIOLOGY

Watch in App

explore_more_icon

Explore more

Artificial Hybridisation

Standard XII Biology

Join BYJU'S Learning Program

CrossIcon