Which of the following was not a challenge for survival of the first land plants? 

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#Question id: 15729

#XL - S Microbiology

The Somatic Embryos regenerating from an explants or a callus are termed as

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#Question id: 15730

#XL - S Microbiology

Haploid plants may be obtained from culturing

1) Anther culture

2) Pollen culture

3) Stem culture

4) Ovary culture

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#Question id: 15731

#XL - S Microbiology

Conditions for rooting involves

1. low salt

2. reduced sugar level

3. addition of NAA

Which of the above statements combinations are correct

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#Question id: 15732

#XL - S Microbiology

In the phases of callus growth which phase shows cells expansion increase.

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#Question id: 15733

#XL - S Microbiology

Embryo culture technique is applied to

1. Overcome seed dormancy

2. Prevention of embryo abortion in wide crosses

3. Formation of protoplast

4. Shortening of breeding cycle

Which option has incorrect statement

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#Question id: 15734

#XL - S Microbiology

In seed germination or seed culture process growth regulators are usually not necessary because, of