List of top Questions asked in NEET (UG)- 2017

Which of the following cell organelles is responsible for extracting energy from carbohydrates to form ATP ?

Which one of the following statement is not valid for aerosols ?

Which of the following RNAs should be most abundant in animal cell ?

Which of the following is made up of dead cells?

Which of the following is a sink for $CO$ ?

Mechanism of a hypothetical reaction $X _{2}+ Y _{2} \rightarrow 2 XY$ is given below: (i) $X_{2} \rightarrow X+X$ (fast) (ii) $X + Y _{2} \rightleftharpoons XY + Y$ ( slow ) (iii) $X + Y \rightarrow XY$ (fast) The overall order of the reaction will be

Mycorrhizae are the example of:

Name the gas that can readily decolourise acidified $KMnO_4$ solution :

Phosphoenol pyruvate (PEP) is the primary $CO_2$ acceptor in:

Predict the correct intermediate and product in the following reaction :
$H_{3}C-C\equiv CH\underset{HgS{O}_4}{\overset{H_{2}O,H_{2}S{O}_4}{\to }}\underset{\text{(A)}}{\mathrm{Intermediate}}\to \underset{\text{(B)}}{\mathrm{product}}$

Root hairs develop from the region of :

Select the correct route for the passage of sperms in male frogs :

Spliceosomes are not found in cells of

The element $Z = 114$ has been discovered recently. It will belong to which of the following family/group and electronic configuration ?

The vascular cambium normally gives rise to :

The water potential of pure water is :

Pick out the correct statement with respect to $[Mn(CN)_6]^{3-}$ :

Select the mismatch

Select the mismatch :

The final proof for DNA as the genetic material came from the experiments of :

The hepatic portal vein drains blood to liver from :

An example of colonial alga is

A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F, because the method involves :

A gas mixture consists of 2 moles of O₂ and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the total internal energy of the system is

Radioactive material 'A' has decay constant '8λ' and material 'B' has decay constant 'λ'. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be \(\frac 1e\) ?