List of top Questions asked in NEET (UG)

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

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

Two astronauts are floating in gravitational free space after having lost contact with their spaceship. The two will :

Which of the following pairs of species have the same bond order ?

Which one is the wrong statement ?

A spherical black body with a radius of $12\,cm$ radiates $450\,watt$ power at $500\,K$. If the radius were halved and the temperature doubled, the power radiated in watt would be :

Which of the following in sewage treatment removes suspended solids ?

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ?

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

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

Select the mismatch :

Which of the following are found in extreme saline conditions ?

Which of the following components provides sticky character to the bacterial cell ?

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen ?

Which among these is the correct combination of aquatic mammals ?

In case of poriferans, the spongocoel is lined with flagellated cells called:

An important characteristic that Hemichordates share with Chordates is :

A spring of force constant $k$ is cut into lengths of ratio $1 : 2 : 3$. They are connected in series and the new force constant is $k'$. Then they are connected in parallel and force constant is $k"$ . Then $k' : k''$ is :

Two cars moving in opposite directions approach each other with speed of $22\, m/s$ and $16.5\, m/s$ respectively. The driver of the first car blows a horn having a frequency $400\, Hz$. The frequency heard by the driver of the second car is [velocity of sound $340\, m/s$] :

Two blocks $A$ and $B$ of masses $3\,m$ and $m$ respectively are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in figure. The magnitudes of acceleration of $A$ and $B$ immediately after the string is cut, are respectively :

The two nearest harmonics of a tube closed at one end and open at other end are $220\, Hz$ and $260\, Hz$ . What is the fundamental frequency of the system ?

Root hairs develop from the region of :

Which of the following options best represents the enzyme composition of pancreatic juice ?