Home
Class 12
BIOLOGY
Assertion: Cytokinins are anti-ageing ho...

Assertion: Cytokinins are anti-ageing hormones.
Reason: They cause changes in osmotic potential by increasing the volume of mature cells.

A

If Both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)

B

If both Assertion and reason are true but the reason is not the correct explanation of the assertion, then mark (2).

C

If Assertion is true statement but reason is false, then mark (3)

D

If both Assertion and reason are false statements, then mark (4).

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PLANT GROWTH AND DEVELOPMENT

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION -C)|62 Videos
  • PHOTOSYNTHESIS IN HIGHER PLANTS

    AAKASH INSTITUTE|Exercise Assignment(section D)|10 Videos
  • PLANT KINGDOM

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION -D (Assertion - Reason Type Questions)|10 Videos

Similar Questions

Explore conceptually related problems

Read the assertion and reason carefully to mark the correct option out of the option given below Assertion: Diabetes insipidus is marked by excessive urination and too much thirst of water. Reason: Anti-diuretic hormone (AD) is secreted by the posterior lobe of pituitary. Assertion: Oxytocin is also known as Anti Diuretic hormone (AD) Reason: Oxytocin can cause an increase in the renal reabsorption of water.

Assertion : Oxytocin is also known as anti-diuretic hormone (ADH). Reason : Oxytocin can cause an increase in the renal reabsorbtion of water.

Assertion : Vasopression is also called as antidiuretic hormone. Reason : Vasopressin reduces the loss of water in urine by increasing water reabsorbtion in nephrons.

Assertion. Oxytocin is also called antidiuretic hormone Reason. Oxytocin increases renal reabsorption of water.

Assertion: Failure of secretion of hormone vasopressin causes diabetes mellitus in the patient. Reason: Vasopressin increases the volume of urine by increasing the reabsorption of water from the urine.

Assertion : A change in the temperature of a body cause change in dimentions. Reason : The dimentions of a body decrease due to the increase in its temperature.

Assertion : Photodiode current work in reverse bias. Reason : Change in diode increases with increase in intensity .

Assertion :- ADH is secreted by hypothalamus. Reason:- Changes in osmotic pressure are noted by osmoreceptors present in the hypothalamus.

Assertion :- ABA is stress hormone. Reason:- ABA causes abscission of old leaves and fruits.

Assertion : Cytokinins increases shelf life of fruits and vegetables. Reason : Cytokinis induce cell division.