Which of the following is not condition for commensalism?

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#Question id: 4826

#Unit 8. Inheritance Biology

In Drosophila melanogaster, vestigial wings are determined by a recessive allele of a gene that is linked to a gene with a recessive allele that determines black body color. T. H. Morgan crossed black-bodied, normal-winged females and gray-bodied, vestigial-winged males. The F1 were all gray bodied, normal winged. The F1 females were crossed to homozygous recessive males to produce testcross progeny. Morgan calculated the map distance to be 17 map units. Which of the following information is correct about the testcross progeny?

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#Question id: 9185

#Unit 9. Diversity of Life Forms

Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?

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#Question id: 23641

#General Aptitude

A class starts after lunch at 1.00p.m. and lasts till 3.52 p.m. In this duration four periods are held. Before every period 4 minutes are allowed for going from one room to another. What is the exact duration for each period?

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#Question id: 23343

#General Aptitude

In colleges, universities the promotion on the post of Reader under the Personal Promotion Scheme, the required minimum number of published papers is

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#Question id: 12741

#Unit 13. Methods in Biology

 What will happen if too much antibody is present in the Agglutination process?