3. The Earth’s diameter measured across the equatorial plane is about 40 km more than that measured between the poles. This is because of: a. excess ocean water at the […]
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TIFR Previous Year Question Papers 2020 Biology With Answer Key Download
Odd One Out Speed of Light Charge Electron Diameter Earth Gravitational Constant
2. Pick the odd one out: a. Speed of light in vacuum b. Charge of the electron c. Diameter of the Earth d. Gravitational constant Odd one out: c. Diameter […]
TIFR Previous Year Question Papers 2020 Biology With Answer Key Download
Who Leads Climate Change Campaign
1. Who among the following has been leading a campaign on climate change? a. Greta Thunberg b. P. V. Sindhu c. Michelle Obama d. Malala Yousafzai Greta Thunberg Leads Climate […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Invasive alien species on islands and mainlands
15. Invasive alien species are animals and plants that are introduced accidently or deliberately into a natural environment where they are not normally found. Invasive alien species often have serious […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Why Genetic and Physical Maps Differ
14. The upper line in the figure below shows the locations of four genes on the genetic map of an organism; the lower line shows the locations of the same […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Heart-Specific Transcription of Gene X
13. The transcription of gene X is controlled by transcription factor A. Gene X is only transcribed when factor A is phosphorylated. Data on the tissue distribution of factor A […]
TIFR Previous Year Question Papers 2017 Biology With Answer Key Download
Cell Signalling Pathways Crosstalk Kinases Phosphatases
12. Cell signalling pathways I and II were studied independently, and researchers arrived at the following schematics: 𝐼: 𝐴 → 𝐵 → 𝐶 → 𝐷 𝐼𝐼: 𝐸 → 𝐹 → […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Autosomal Dominant Trait in Pedigree Analysis
11. The figure below shows a pedigree of a family over three generations with respect to a genetic disorder. What sort of inheritance is depicted in this pedigree? a. Autosomal […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Protein X Abs280 Calculation
10. Protein X has two tryptophans and one tyrosine, and its molecular weight is 20,000 Da. One molar tryptophan and one molar tyrosine solutions give you Abs280 of 5500 and […]
TIFR Previous Year Question Papers 2016 Biology With Answer Key Download
Protein pKa 5 Purification
9. You are studying an unusual protein which has a pKa of 5. You wish to purify this protein. For this you can: a. Use anion-exchange chromatography, and a low […]
