IAT (IISER) 2026
IAT (IISER) / 15 questions
2026Sun, Jun 7, 2026 3:30 AM15 PYQs
1Anatomy Of Flowering Plants
Which one of the following choices matches the organs in column I with their vascular system arrangement described in column II?Column IColumn IIP.Dicot rooti.Radial, open, diarch to tetrarchQ.Dicot stemii.Ring, conjoint, openR.Monocot root...
MCQ+4 / -12026
2Biological Classification
If cell wall was used as the only criterion for classifying organisms, then Mycoplasma would have belonged to which one of the following groups?
MCQ+4 / -12026
3Biomolecules
For which one of the following enzyme activity plots, will the $K_m$ of the enzyme for substrate 'S' be 20? [S] indicates substrate concentration.
MCQ+4 / -12026
4Biotechnology And Its Applications
Which one of the following molecules can be used for RNA interference?
MCQ+4 / -12026
5Biotechnology Principles And Processes
The pBR322 cloning vector has genes coding for tetracycline and ampicillin resistance. A foreign DNA to be cloned is inserted into the tetracycline resistance gene and the recombinant plasmid is then transformed into E. coli cells. Which on...
MCQ+4 / -12026
6Body Fluids And Its Circulation
In which one of the following cases, will an anti-Rh antibody treatment prevent erythroblastosis foetalis?
MCQ+4 / -12026
7Chemical Coordination And Integration
Which one of the following correctly describes the mode of action of Follicle Stimulating Hormone (FSH) and estrogen?
MCQ+4 / -12026
8Human Reproduction
A female child is born with all the primary oocytes required during her lifetime. At which one of the following stages of cell division are these oocytes found at birth?
MCQ+4 / -12026
9Locomotion And Movement
Which one of the following correctly describes the sequence of events leading to muscle contraction following acetylcholine release at the neuromuscular junction?
MCQ+4 / -12026
10Molecular Basis Of Inheritance
Which of the following schematics correctly depict a lac operon that can be negatively regulated?
MCQ+4 / -12026
11Molecular Basis Of Inheritance
Which one of the following is the correct sequence of the coding strand of the given gene?
MCQ+4 / -12026
12Organisms And Populations
The graphs below depict the number of individuals of two organisms, named P and Q, when grown independently, and together. Based on these growth patterns, which one of the following statements is correct?
MCQ+4 / -12026
13Photosynthesis In Higher Plants
Which of the following processes result in development of a proton gradient across the thylakoid membrane during photosynthesis?i. Release of protons into the lumen of the thylakoid by plastoquinoneii. Consumption of protons in the stroma d...
MCQ+4 / -12026
14Principles Of Inheritance And Variation
For which one of the following parents, their children will NOT have the same blood group phenotype as either of the parents?
MCQ+4 / -12026
15Principles Of Inheritance And Variation
The following pedigree diagram shows the inheritance of a rare genetic disorder in a family (filled shapes depict affected individuals). Which one of the following is the most likely pattern of inheritance of the disorder?
MCQ+4 / -12026
