Match the scientists in List I with their specific contribution in List II:

Column I	Column II
A. Endosperm	1. Triploid tissue formed after double fertilization
B. Albuminous seed	2. Endosperm persists in mature seed
C. First report of endosperm culture	3. Lampe and Mills (1933)
D. Immature endosperm culture	4. Proliferation common; organogenesis rare
E. Critical age for rice endosperm culture	5. 4–7 days after pollination
F. Medium supplements for endosperm culture	6. Yeast extract or casein hydrolysate
G. Mature endosperm of parasitic species	7. Requires cytokinin ± auxin

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#Question id: 10364

#Botany

Which of the following is the most common type of symbiosis occurs between members of the plant family and soil bacteria?

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#Question id: 10365

#Botany

Why the nitrogenase enzymes catalyzes the nitrogen fixation reaction only in microanaerobic or anaerobic conditions?

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#Question id: 10367

#Botany

Cyanobcteria also fixes nitrogen under anaerobic conditions without  heterocyst where?

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#Question id: 10368

#Botany

Free-living bacteria that are capable of fixing nitrogen are aerobic, facultative, or anaerobic. Some of the Aerobic nitrogen-fixing bacteria such as

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#Question id: 10369

#Botany

Which type of the nitrogen-fixing bacteria are thought to maintain a low oxygen concentration (microaerobic conditions) through their high levels of respiration

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#Question id: 10376

#Botany

Symbiotic nitrogen-fixing rhizobia release nodulation (Nod) factors as signaling agents as they near the surface of a legume root. The interaction between specific nod factors and their corresponding receptors. Which of the following statements is incorrect?