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

In Mendel's experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F2 generation of the cross RRYY x rryy?

Which one of the following is not a second messenger in hormone action?
Which one of the following not act as a neurotransmitter?
Which one of the following is an example of polygenic inheritance?
During photorespiration, the oxygen consuming reaction(s) occur in:
Which of the following is considered a hot-spot of biodiversity in India?

Which of the following environmental conditions are essential for optimum growth of Mucor on a piece of bread? 

  1. Temperature of about 25°C
  2. Temperature of about 5°C
  3. Relative humidity of about 5%
  4. Relative humidity of about 95%
  5. A shady place
  6. A brightly illuminated place

Choose the answer from the following options:

300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. Taking g =10 m/s2, work done against friction is :
Which one of the following statements is incorrect?
Which one of the following has an open circulatory system?
Which hormone causes dilation of blood vessels, increased oxygen consumption and glycogenolysis?
Biradial symmetry and lack of cnidoblasts are the characteristics of:
An enzyme that can stimulate germination of barley seeds is:
In which of the following fruits is the edible part the aril?
Withdrawal of which of the following hormones is the immediate cause of menstruation?
Crop plants grown in monoculture are:
The core of a transformer is laminated because :-
The velocity $v$ of a particle at time $t$ is given by $v=at+\frac{b}{t+c}$ , where $a$, $b$ and $c$ are constants. The dimensions of $a$, $b$ and $c$ are, respectively,
Treatment of seed at low temperature under moist conditions to break its dormancy called
Sertoli cells are regulated by the pituitary hormone known as-
The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because:
The correct order of the mobility of the alkali metal ions in aqueous solution is
Niche overlap indicates -
In which of the following pairs are both the ions coloured in aqueous solution? (Atomic number: Sc = 21, Ti = 22, Ni = 28, Cu = 29, Co = 27)
1.00 g of a non-electrolyte solute (molar mass 250 g mol-1) was dissolved in 51.2 g of benzene. If the freezing point depression constant, Kf of benzene is 5.12 K kg mol-1, the freezing point of benzene will be lowered by: