List of top Questions asked in IIT JAM BT

If $P = \{1, 2, -1, 3\}$, $Q = \{0, 4, 1, 3\}$ and $R = \{1, 6, 7\}$, then $P \cap (Q \cup R)$ =
The position of a particle along the y-axis is $y = P t^4 + Q$. For dimensional consistency, the dimension of $P$ in terms of length [L] and time [T] is
In metal–carbonyl complexes, the $\pi$-back bonding is
If $u(x)$ and $v(x)$ are differentiable at $x=0$, and if $u(0)=5$, $u'(0) = -3$, $v(0) = -1$ and $v'(0) = 2$, then the value of $\dfrac{d}{dx}\left(uv + \frac{u}{v}\right)$ at $x = 0$ is
Two dice are thrown simultaneously. The probability that the sum of the numbers obtained is divisible by 7 is
For an autocatalytic second-order reaction R $\rightarrow$ P, the rate law is
[where v is the rate of the reaction and k is the rate constant]
The correct sequence of the following events in the human female reproductive cycle is
I: Secretion of FSH
II: Growth of corpus luteum
III: Growth of follicle and oogenesis
IV: Ovulation
V: Sudden increase in the levels of LH
Which of the following is NOT an example of an adaptive defense mechanism against predation?
Match the entries in Group I with those in Group II
Group I
P) Nucleolus
Q) Sphaerosomes
R) Peroxisomes
S) Plasmodesmata
Group II
1) lipid storage
2) breakdown of fatty acids
3) transport of macromolecules
4) RNA synthesis
During eukaryotic cell division, the amount of DNA doubles
The nitrogenase of diazotrophs
If an aldol cleavage of glucose-6-phosphate occurs in glycolysis, it will result in
Which of the following is true of protein synthesis ONLY in prokaryotes?
The natural geographical distribution of kangaroos is limited to the Australian continent because
Match the entries in Group I with those in Group II
Group I
P) Phytase
Q) Xylanase
R) Laccase
S) Bromelain
Group II
1) paper and pulp processing
2) delignification
3) gluten complex reduction
4) improve mineral availability
5) phosphorylation
The refractive index of diamond is 2.419. If the speed of light in vacuum is $3 \times 10^8$ m s$^{-1}$, then the speed of light in diamond is
Among CH$_4$, H$_2$O, NH$_3$ and PH$_3$, the molecule having the smallest percent s character for the covalent bond (X–H) is
cos(x + yx) =
The role of enzyme E synthesized by phage $\phi$X174 during host infection is to
Which of the following statements is correct?
Which of the following is NOT involved in eukaryotic translation?
The antigen binding site of an antibody is present