The following questions refer to the figure below, which shows an outcrop of sedimentary rock whose strata are labeled A-D. If x indicates the fossils of two closely related species, neither of which is extinct, then their remains may be found in how many of these strata?

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#Question id: 19373

#Unit 12. Applied Biology

Third phase, in which all kinds of transgenes are being employed to either modify the quality/quantity of plant/animal produce or to make these organisms produce

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#Question id: 4690

#Unit 3. Fundamental Processes

Which of the following  of the cleavage enzymes of rRNAs and tRNA is a ribozyme?

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#Question id: 3264

#Unit 11. Evolution and Behavior

Which of the following is (are) true of natural selection?

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#Question id: 27378

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statements

(i) Atomic number = number of protons + number of electrons

(ii)Mass number = number of protons + number of neutrons

(iiiAtomic number = number of protons = number of neutrons

(iv)Atomic number = number of protons = number of electrons

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#Question id: 23507

#General Aptitude

Which one of the following is the oldest Archival source of data in India?