List of top Questions asked in NEET (UG)- 2007

Male gametes in angiosperms are formed by the division of

The $d$ electron configuration of $Cr ^{2+}, Mn ^{2+}, Fe ^{2+}$ and $Ni ^{2+}$ are $3 d ^{4}, 3 d ^{5}, 3 d ^{6}$ and $3 d ^{8}$ respectively. Which one of the following aqua complex will exhibit the minimum paramagnetic behaviour? (At. Nos. $Cr =24, Mn =25, Fe =26, Co =27$ )

Lysozyme that is present in perspiration, saliva and tears, destroys

The total power dissipated in watt in the circuit shown here is

A plant requires magnesium for

Trans esterification is the process of

What is the value of inductance $L$ for which the current is maximum in a series $LCR$ circuit with $C=10 \, \mu F $ and $ \omega=1000 \, S^{-1}$ ?

The wavelength of light absorbed by $Pr$ form of phytochrome is

In human body which one of the following is an atomically correct ?

Opening of floral buds into flowers, is a type of

A $5$ watt source emits monochromatic light of wavelength $5000\,?$. When placed $0.5\, m$ away, it liberates photoelectrons from a photosensitive metallic surface. When the source is moved to a distance of $1.0 \,m$, the number of photo electrons liberated will:

The efficiency of a fuel cell is given by

All enzymes of $TCA$ cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

Compared to a bull a bullock is docile because of

The correct order of $C-O $ bond length among $CO,CO_3^{2-}$, $CO_2$ is

The Langmuir adsorption isotherm is deduced by using the assumption :

The correct order of increasing thermal stability of $K_2CO_3, MgCO_3, CaCO_3 $ and $ BeCO_3$ is

The position $x$ of a particle with respect to time t along $x$ -axis is given by $x = 9t^2-t^3$ where $x$ is in metres and $t$ in seconds. What will be the position of this particle when it achieves maximum speed along the $+x$ direction?

Sulphide ores of metals are usually concentrated by froth floatation process. Which one of the following sulphide ores offers an exception and is concentrated by chemical leaching?

For a critical study of secondary growth in plants, which one of the following pairs is suitable?

In gymnosperms, the pollen chamber represents

For the following: (a) $I^-$ (b) $Cl^-$ (c) $Br^-$ The increasing order of nucleophilicity would be:

Increased asthmatics attacks in certain seasons are related to

$RNA$ and $DNA$ are chiral molecules, their chirality is due to