Q.Consider the following statements about atmospheric gases:

A. Nitrogen is the most abundant gas in the Earth's atmosphere.

 B. Water vapor concentration is uniform throughout the entire atmosphere.

 C. Carbon dioxide is a major greenhouse gas responsible for trapping heat.

Choose the correct answer from the options given below:

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#Botany

Arrangement of flowers on the floral axis is

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#Question id: 38804

#Plant Biotechnology

Q . What is the primary biological principle that allows thermotherapy to work for virus elimination? 

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#Question id: 38805

#Plant Biotechnology

Q. Which of the following is a significant drawback of using thermotherapy on whole plants?

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#Plant Biotechnology

Q. Thermotherapy is noted to be effective against which specific types of pathogens? 

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#Question id: 38807

#Plant Biotechnology

Q. Why might a plant that survives thermotherapy be at a disadvantage later on?

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#Question id: 38808

#Plant Biotechnology

Q. Assertion (A):Thermotherapy combined with meristem (shoot-tip) culture is more effective than either method alone for eliminating certain plant viruses.

Reason (R): Some viruses such as Potato virus S (PVS) and Potato virus X (PVX) can only be eliminated when heat treatment is followed by shoot-tip culture, and larger shoot tips taken from heat-treated plants show better survival.

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