List of top Questions asked in NEET (UG)- 1990

An inductor may store energy in
An ion has 18 electrons in the outermost shell, it is
Apophysis in the capsule of Funaria is
Bateson used the terms coupling and repulsion for linkage and crossing over. Name the correct parental of coupling type alongwith its cross over or repulsion
Boron has two stable isotopes, $^{10}B (19 \%)$ and $ ^{11}B (81\%)$. Calculate average atomic weight of boron in the periodic table.
Brush border is characteristic of
Connecting link between glycolysis and Krebs' cycle before pyruvate entering Krebs' cycle is changed to
Cross between AaBB and aaBB will form
Ecdysis is shedding of
EMP can produce a total of
Emulsification of fat is carried out by
Haemophilia is more common in males because it is a
How many sperms are formed from a secondary spermatocyte?
If $\Delta H$ is the change in enthalpy and $\Delta E$, the change in internal energy accompanying a gaseous reaction, then
In a genetic cross having recessive epistasis, F, phenotypic ratio would be
In man the zymogen or chief cells are mainly found in
Insulin is a
Kala-azar and Oriental Sore are spread by
New banana plants develop from
The alveolar epithelium in the lungs
The magnetic induction at a point P which is at the distance of 4 cm from a long current carrying wire is $ 10^{-3}$ T. The field of induction at a distance 12 cm from the current will be
The main difference in Gram (+)ve and Gram (-)ve bacteria resides in their
The molecular weight of $O_2$ and $SO_2$ are 32 and 64 respectively. At $15^{\circ}C$ and 150 mmHg pressure, 1L of $O_2$ contains -N - molecules. The number of molecules in 2L of $SO_2$ under the same conditions of temperature and pressure will be
The momentum of a photon of an electromagnetic radiation is $3.3 \times 10^{-29}\, kg\, ms^{-1}.$ What is the frequency of the associated waves ? $[h=6.6 \times 10^{-34}\, Js\, ;\, c = 3 \times 10^8\, ms^{-1}]$
The number of gram molecules of oxygen in $6.02 \times 10^{24}$ CO molecules is