List of top Questions asked in NEET (UG)- 2006

In a moss, the sporophyte-

Parthenocarpic tomato fruits can be produced by:

What type of placentation is seen in sweet pea?

How many ATP molecules could maximally be generated from one molecule of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 Kcal and the useful chemical energy available in the high energy phosphate bond of one mole of ATP is 12 Kcal ?

Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of-

Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?

Two bodies, A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is

Antibodies in our body are complex-

A Carnot engine whose sink is at 300 K has an efficiency of $40 \%. $ By how much should the temperature of source be increased so as to increase its efficiency by $50 \%$ of original efficiency :-

In a set of reactions propionic acid yielded a compound $D$. $CH_3CH_2COOH\xrightarrow{SOCL_2} B\xrightarrow{NH_3}C\xrightarrow [Br_2]{KOH} D$ The structure of $D$ would be

The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is :-

The causative agent of mad-cow disease is a-

Amino acid sequence, in protein synthesis is decided by the sequence of-

Areolar connective tissue joins-

The thalloid body of a slime mould (Myxomycetes) is known as -

HIV that causes AIDS, first starts destroying

Earthworms are-

Which of the following is an accumulation and release centre of neurohormones ?

Consider the reaction, $N_2(g)+3H_2(g) \to 2NH_3(g)$ The equality relationship between $\frac{d[NH_3]}{dt}$ and $-\frac{d [H_2]}{dt}$ is :-

Copper sulphate dissolves in excess of KCN to give

Two sound waves with wavelengths 5.0 m and 5.5. m respectively, each propagate in a gas with velocity 330 m/s. We expect the following number of beats per second :-

A transverse wave propagating along x-axis is represented by $y(x, t)=8.0 \sin(0.5\pi x-4\pi t-\pi/4)$ where x is in metres and t is in seconds. The speed of the wave is :-

Identify the correct statement for change of Gibbs energy for a system ($\Delta G_{system}$) at constant temperature and pressure :

Antiparallel strands of a DNA molecule means that