Home
Class 12
BIOLOGY
Read the following information about a p...

Read the following information about a phytohormone and them identify it.
I. They cause fruits like apple to elongate and improve their shape.
II. They are used to speed up the malting process in the brewing industry.
III. They are used to convert genetically dwarf plants into tall plants.

A

Auxin

B

Gibberellin

C

Cytokinin

D

Ethylene

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Assertion : Gibberellins cause fruits like apple to elongate and improve its shape. Reason : GA_(3) is used to speed up the malting process in brewing industry.

Which of the following plant hormone is used to speed up the malting process in brewing industry?

Write the hormone which increase the length of grapes, stalks improves the shape of apple and speed up the malting process in brewing industry.

Read the following statements. A. ABA is derived from violaxanthin and is also known as anti GA hormone. B. Ethylene increases the number of male flowers. C. Extrinsic factors like temperature and light control plant growth and development via PGRs. D. GA, is used to speed up the malting process in brewing industry. Choose the correct option.

Read the following statements about a leaf. Which amongst them are correct. I.The swollen leaf- base mainly seen in leguminous plants is called the pulvinus. II. The axillary bud arises from the axil formed by the leaf. III. The leaf shape and size differs from plant to plant.

Go through the following matches (i) Abcisic acid - Delays senescence (ii) Auxins - Control xylem (iii) Gibberellins -Cause fruits like apple to elongate and improve its shape (iv) Cytokinins - Promotes apical domiance caused by auxins Which of these are correct :

Read the following statements about adaptations in desert plants and select the correct ones. (i) They have a thick cuticle on their leaf surfaces. (ii) They have stomata present in deep sunken pits. (iii) They use CAM pathway for photosynthesis. (iv) They have flattened stems and large sized leaves. (v) Their stomata remain closed during the day.

Read the following statements. Identify which of them are true and which of them are false and select the correct option. I. Ascaris, commonly known as pinworm, is responsible for causing ascariasis. II. The acid present in the stomach acts as a physiological barrier and prevents microbial growth. III. The pathogen responsible for causing elephantiasis is a fungus belonging to genus Microsporum. IV Infection diseases like tetanus and pneumonia have been largely controller using vaccines.

Read the following statements about genetically engineered plants. Select the ones that are advantageous . I. The increased yield from genetically engineered plants allows a smaller area of land to be farmed. II. Generally engineering plants may have improved nutritional value . III. Some plants can be genetically modified to give resistance to diseases. IV. There is more research needed on the long term effects of genetically engineered crops on the environment V. The use of genetically engineered crops may explain the increase in allergies in children

Which of the following statement (s) about taxonomic aids is/are true I. Keys are used to identify plants and animals based on similarities and disimilarities. II. Flora contains the account of habitat and distribution of plants in a given area. III. Flora provides an index to the plant species found in a particular area. IV. Monographs provide information for identification of species found in an area