List of top Questions asked in NEET (UG)- 2004

Which one of the following is living fossil
In which one of the following habitats does the diurnal temperature of soil surface vary most ?
The telomeres of eukaryotic chromosomes consist of short sequences of
A nutritionally wild type organism, which does not require any additional growth supplement is known as
Common indicator organism of water pollution is
Phenetic classification of organisms is based on
When a diploid female plant is crossed with a tetraploid male, the ploidy of endosperm cells in the resulting seed is
In an octahedral structure, the pair of d orbitals involved involved in d2 sp3 hybridization is
CN– is a strong field ligand. This is due to the fact that

The radioactive isotope \(_{27}^{60}\textrm{Co}\) which is used in the treatment of cancer can be made by (n, p) reaction. For this reaction the target nucleus is

Lead concentration in blood is considered alarming if it is
Which one of the following pairs is not correctly matched
Which one of the following precedes reformation of nuclear envelope during M-phase of cell cycle ?
Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct? The patient has been inhaling polluted air containing unusually high content of
A free living nitrogen-fixing cyanobacterium which can also form symbiotic association with the water fern Azolla is
One set of a plant was grown at $12$ hours day and $12$ hours night period cycles and it flowered while in the other set night phase was interrupted by flash of light and it did not produce flower. Under which one of the following categories will you place this plant?
One of the parents of a cross has mutation in its mitochondrion. In that cross, that parent is taken as male. During segregation of $F_2$ progenies that mutation is found in
India's wheat yielding revolution in the $1960s$ was possible primarily due to
The Ti plasmid is often used for making transgenic plants. This plasmid is found in
The animals with bilateral symmetry in young stage, and radial pentamerous symmetry in the adult stage, belong to the phylum
Considering entropy (S) as a thermodynamic parameter, the criterion for the spontaneity of any process is
If you are provided with root tips of onion in your class and are asked to count the chromosomes, which of the following stages can be most conveniently looked into ?
The recessive genes located on X-chromosomes of humans are always
Resistance $n$, each of $r$ ohm, when connected in parallel give an equivalent resistance of $R$ ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to

The magnetic flux through a circuit of resistance R changes by an amount Δϕ in a time Δt. Then the total quantity of electric charge Q that passes any point in the circuit during the time Δt is represented by