NEET 2017 Question Paper

Identify the worng statement in context of heartwood

Which of the following is made up of dead cells

The vascular cambium normally gives rise to

Which of the following represents order of 'Horse'?

Which among these is the correct combination of aquatic mammals ?

The heating of phenyl–methyl ethers with HI produces

An example of a sigma bonded organometallic compound is :

Which of the following pairs of compounds is isoelectronic and isostructural ?

Which one is the wrong statement ?

It is because of inability of ns2 electrons of the valence shell to participate in bonding that:-

The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is :-

A physical quantity of the dimensions of length that can be formed out of c, G and e24πε0is [c is velocity of light, G is universal constant of gravitation and e is charge] :-

Two rods A and B of different materials are welded together as shown in figure. Their thermal conductivities are K1 and K2. The thermal conductivity of the composite rod will be :-

Two blocks A and B of masses 3 m and m respectively are connected by a massless and 1nextensible 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 :-

An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying same current 'I along the same direction is shown in fig. Magnitude of force per unit length on the middle wire 'B' is given by :-