What are chemical messengers?

Important Questions on Plant and Animal Hormones

HARD

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 6

Write the differences between endocrine and exocrine gland.

MEDIUM

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 7

What is the role of parathormone?

HARD

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 8

What are the hormones secreted by the posterior lobe of the pituitary gland? Mention the tissues on which they exert their effects.

MEDIUM

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 9

Why are thyroid hormones referred to as personality hormone?

MEDIUM

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 10

Which hormone requires iodine for its formation? What will happen if the intake of iodine in our diet is low?

HARD

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 1

Name the gaseous plant hormone. Describe its three different actions in plants.

MEDIUM

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 1

Which hormone is known as a stress hormone in plants? Why?

HARD

10th Tamil Nadu Board

IMPORTANT

Science Standard 10>Chapter 16 - Plant and Animal Hormones>TEXTBOOK EVALUATION>Q 2

Describe an experiment which demonstrates that growth-stimulating hormone is produced at the tip of the coleoptile.