IAT (IISER) 2025 | IAT (IISER) Year Wise Previous Years Questions

IAT (IISER) 2025

MCQ (Single Correct Answer)

-1

Two double heterozygous plants ( PpQq ), derived from two different pairs of true-breeding parents of unknown genotype, produce gametes in the proportions as given below.

IAT (IISER) 2025 Biology - Principles of Inheritance and Variation Question 1 English Which one of the following options correctly represents the genotype of the parents?

$$ \mathrm{R} 1=\mathrm{ppQQ} ; \mathrm{R} 2=\mathrm{PPqq} ; \mathrm{R} 3=\mathrm{PPQQ} ; \mathrm{R} 4=\mathrm{ppqq} $$

$$ \mathrm{R} 1=\mathrm{PPQQ} ; \mathrm{R} 2=\mathrm{ppqq} ; \mathrm{R} 3=\mathrm{ppQQ} ; \mathrm{R} 4=\mathrm{PPqq} $$

$$ \mathrm{R} 1=\mathrm{ppQQ} ; \mathrm{R} 2=\mathrm{PPqq} ; \mathrm{R} 3=\mathrm{PPqq} ; \mathrm{R} 4=\mathrm{ppQQ} $$

$$ \mathrm{R} 1=\mathrm{PPQQ} ; \mathrm{R} 2=\mathrm{ppqq} ; \mathrm{R} 3=\mathrm{ppqq} ; \mathrm{R} 4=\mathrm{PPQQ} $$

IAT (IISER) 2025

MCQ (Single Correct Answer)

-1

What are retroviruses?

A group of viruses with RNA genome and no reverse transcriptase activity

A group of viruses with DNA genome and no reverse transcriptase activity

A group of viruses with DNA genome and reverse transcriptase activity

A group of viruses with RNA genome and reverse transcriptase activity

IAT (IISER) 2025

MCQ (Single Correct Answer)

-1

The given picture was obtained from an agarose gel electrophoresis of a plasmid after digestion with restriction enzymes either $\mathrm{X}, \mathrm{Y}$ or both X and Y.

IAT (IISER) 2025 Biology - Biotechnology: Principles and Processes Question 1 English Which one of the following diagrams correctly represents the position of the restriction enzyme sites $(\mathrm{X}, \mathrm{Y})$ on the 10,000 bp plasmid?