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A human hormone reducing blood flow to t...

A human hormone reducing blood flow to the digestive systems and skin during stress is

A

Thyroxin

B

Adernaline

C

Growth hormone

D

Insulin

Text Solution

Verified by Experts

The correct Answer is:
B

Adernaline
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A natural occurring class of plant hormones cytokinins has been found to help increase cotton yields during drought conditions. It has been observed that young cotton seedlings have small root system, making it difficult for them to reach available soil water. Cytokinins assists the young plants in water stress defenses, promoting the plant to quickly build a bigger root system to access deep soil moisture. To be effective this phytohormone should be at an early stage of development. What are phytohormones ?

A natural occurring class of plant hormones cytokinins has been found to help increase cotton yields during drought conditions. It has been observed that young cotton seedlings have small root system, making it difficult for them to reach available soil water. Cytokinins assists the young plants in water stress defences, promoting the plant to quickly build a bigger root system to access deep soil mosture. To be effective this phytohormone should be at an early stage of development. "Plant hormones help to co - ordinate growth." Justify the statement by giving three examples.

List the three kinds of blood vessels of human circulatory system and write their functions in tabular form.

CPC CAMBRIDGE PUBLICATION-CPC MODEL QUESTION PAPER -3-ANSWER THE FOLLOWING QUESTIONS
  1. A human hormone reducing blood flow to the digestive systems and skin ...

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  2. What is the role of inhalation and exhalation?

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  3. A student has difficulty reading the blackboard while sitting in the l...

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  4. Name the phenomenon associated with the use of (i) CFC (ii) DDT

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  5. Name the gas usually liberated when a dilute acid reacts with a metal....

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  6. Which endocrine gland is called master gland? Why?

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  7. The frequency of source of sound is 10Hz. How many times does it vibra...

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  8. Mention the mode of reproduction used by (a) Amoeba (b) Planaria

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  9. Why is the reaction between methane and chlorine considered a substitu...

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  10. Compute the heat generated while transferring 96000 coulomb of charge ...

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  11. Draw the diagram of the apparatus used in the electrolysis of water.

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  12. Differentiate between metal and non-metal on the basis of chemical pro...

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  13. State three reasons for the following facts: a. Sulphur is a non met...

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  14. Draw the ray diagram showing the recombination of the spectrum of whit...

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  15. Draw the diagram of a simple electric generator. Label the following p...

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  16. Name the hormones responsible for the following i) Excess producti...

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  17. How do Mendel's experiments show that traits are inherited independent...

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  18. What is a homologous series? Explain with an example.

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  19. What are isomers ? Give example.

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  20. Out of two elements A and B with mass number 2 and 235 respectively. W...

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  21. A coil of insulated copper wire connected to a galvanometer. What will...

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