Home
Class 12
BIOLOGY
Assertion:Juvenile hormone inhibits matu...

Assertion:Juvenile hormone inhibits maturation of insects if given artificially in later stages of growth of insects.
Reason:If forms giant larvae.

A

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

B

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

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B
Juvenile hormone is a metamorphosis hormone that helps in the maturation of larval stage into adult. If Juvenile hormone is given certificially in later stage of growth it does not undergo maturation but instead form giant larval which die quickly.
Promotional Banner

Similar Questions

Explore conceptually related problems

Juvenile hormone in insects is released from

Assertion :- Primary wall is capable of growth. Reason:- It diminishes as cell matures.

Assertion:Bacillus thuringenesis is toxic to many insects. Reason:It inhibits ion transport in the midgut.

Assertion: A gene from bacillus thuringiensis is incorporated in plant genome to increases yeild. Reason : it is Bt toxin producing genw which kills larvae of insects.

Assertion :- The hormone FSH stimulates RBCs. maturation. Reason:- On reaching the red bone marrow FSH stimulate the maturation of RBCs

Assertion.Termites and ants are social insects. Reason. Both establish fungus gardens in their nests to feed on fungus.

Assertion : Integrated pest management (IPM) programme at the same time deals with conservation of insects and destruction of insects. Reason : IPM programmes are specially used in dealing with ecologically sensitive areas.

Assertion Hormones are also called growth adjusters. Reason Hormones promote or inhibit plant growth.

Assertion : Blood of insects is colourless. Reason : The blood of insect does not play any role in transport of oxygen.

Assertion. Many insectivorous plants are able to survice without feeding on insects. The growth of insectivorous plants is stimulated when they trap and utilise insects.