Chapter Chosen

Plant Growth and Development

Book Chosen

Biology

Biology

Download books and chapters from book store.
Currently only available for.
CBSE Gujarat Board Haryana Board

Download the PDF Question Papers Free for off line practice and view the Solutions online.
Currently only available for.
Class 10 Class 12

Name the hormone which enhances the rate of respiration during the ripening of fruit.

Ethylene.

109 Views

What is C/N ratio ?

C/N ratio is the ratio of carbohydrates and nitrogenous compounds which regulate the growth in plants.

633 Views

Give the types of auxins.

Auxins are of two types :

(1) Natural auxins : These are naturally occuring auxins, isolated from plants and are regarded as phytohormones e.g. IAA. NAA etc.

(2) Synthetic auxins : These are synthesized by artificially e.g. IBA 2,4-D etc.

685 Views

Term kinetinwas coined by whom ?

Skoog and Miller.

1034 Views

Who isolated auxin and from where ?

Auxin was isolated by F.W. Went from tips of coleoptiles of oat seedling.

1309 Views

Who coined the term gibberellin ?

Yabuta.

832 Views