Which of the following compounds does not undergo ozonolysis reaction? 

a. 3-methyl-1-butene 

b. 2,3-dimethyl-butane 

c. 2-methyl-2-butene 

d. 2-methyl-1-butene

You are given an oligonucleotide whose molecular weight is 10000 Daltons. Assuming you want to make 100 µl of 100 µM stock how much oligonucleotide would you need? 

a. 10 µg 

b. 1 µg 

c. 100 µg 

d. 1000 µg

Which of the following is the largest? 

a. 100 ^1/100

b. 100 ^1/101

c. 10 ^1/51

d. 10 ^1/52

Gluco kinase phosphor ylates glucose in liver only when glucose levels are higher than normal. What property of glucokinase is responsible for this? 

a. High molecular weight

 b. High Km 

c. High Vmax 

d. Ability to act equally on D- and L-glucose

How would you test whether a phenotypic difference between two populations of a plant is due to environmentally induced plasticity or evolutionary adaptation? 

a. DNA sequencing 

b. RNA sequencing 

c. Grow both populations in different greenhouses 

d. Grow both populations in the same greenhouse

India faced heavy floods this year in Uttarakhand and Kerala. This is most likely due to: 

a. Pollution 

b. Land use change 

c. El Niño 

d. Seismic activity

JGEEBILS,

Standing waves are excited in a 1 m long pipe open at one end, closed at the other. Take the speed of the wave as 340 m/s and calculate the frequency of the first overtone (i.e. the first harmonic above the fundamental frequency). 

a. 128 Hz 

b. 170 Hz 

c. 255 Hz 

d. 510 Hz

Which of the following amino acids is commonly used in catalysis by enzyme? 

a. Alanine 

b. Arginine 

c. Serine 

d. Methionine

Which of the following molecules will have a dipole moment? 

a. CH₄ 

b. NH₃ 

c. CCl₄ 

d. CO₂

Which compound is most acidic? 

a. H₂O 

b. H₂S 

c. H₂Se 

d. NH₃