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#Question id: 8896


Chordate pharyngeal slits appear to have functioned first as

#9. Diversity of Life Forms
  1. the digestive systemʹs opening.
  2. suspension-feeding devices.
  3. components of the jaw.
  4. gill slits for respiration.

Answer:- Option(s): 2


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#Question id: 15707

#12. Applied Biology

Mature and certain differentiated e.g., parenchyma and often colenchyma cells undergo changes to become meristematic, this is called 

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#Question id: 15708

#12. Applied Biology

In many species hormone which promotes SE and shoot bud regeneration and markedly improves SE maturation is

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#Question id: 15709

#12. Applied Biology

Anti browning compounds helps to reduce toxicity by removing toxic substances produced during the culture and permits unhindered cell growth.

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#Question id: 15710

#12. Applied Biology

A phenolic compound, is sometimes added to inhibit the enzyme IAA oxidase responsible for the breakdown of IAA.

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#Question id: 15711

#12. Applied Biology

For the regeneration of a whole plant from a cell or callus tissue, there should be differentiation leading to shoot bud or embryo formation. This may occur through 

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#Question id: 15712

#12. Applied Biology

Organ genic differentiation is an outcome of the process of 

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