Auxanometer is used to measure

Important Questions on Plant Growth and Development

HARD

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -2

Natural cytokinins are synthesised in tissues for 

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -3

Hormone antagonist to gibberellins is 

EASY

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -4

Vernalisation stimulates flowering in 

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -5

Which can prevent, premature fruit fall

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -6

During seed germination, its stored food is mobilised by

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -7

Spraying sugarcane crop with a plant hormone increases length of plants and increases yield by as much as 20 tonnes per acre. The hormone is 

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -8

A few normal seedlings of tomato were kept in the dark room. After a few days they were found to become white coloured like albinos. Which of the following terms will you use to describe them ?

MEDIUM

11th CBSE

IMPORTANT

TRUEMAN'S ELEMENTARY BIOLOGY VOL. I For XI Class of 10+2>Chapter 19 - Plant Growth and Development>TEST QUESTIONS>Q -9

Bolting means