Match the ecologists with their contributions.
List I – Scientist                    List II – Contribution
A. Ernst Haeckel                    I. Ecosystem concept
B. A.G. Tansley                      II. Term Ecology
C. Charles Elton                    IIl. Animal Ecology And food chains
D. Eugene Odum                  IV. Modern ecosystem ecology

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#Question id: 38836

#Plant Biotechnology

Q. Assertion (A): Plants successfully cured of viruses must be strictly maintained in insect-free glasshouses or cages. 

Reason (R): Virus-free plants do not possess inherent immunity and remain highly susceptible to reinfection by vectors

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#Question id: 38837

#Plant Biotechnology

Q. Assertion (A): In vitro culture is considered the superior method for the maintenance of virus-free plant stocks. 

Reason (R): In vitro methods are more efficient and cost-effective compared to large-scale field multiplication.

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#Question id: 38838

#Plant Biotechnology

3. Assertion (A): Large-scale multiplication of virus-free plants is ideally conducted during seasons with high insect activity. 

Reason (R): Minimizing exposure to viral risks is essential for maintaining the health of "cured" plant populations.

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#Question id: 38951

#Botany

Which one of the following is a false fruits?

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#Question id: 38955

#Botany

 Pepo is a fruit of a false fruits?

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#Question id: 38961

#Botany

Marginal placentation is found in