NEET Class XI Weekly Mock 12 for NEET & AIIMS Exams

Question 1

A day neutral plant is

Question 2

What will be the effect on photosynthesis, if boiled water is used in one of its experiment?

Question 3

During photosynthesis when PGA is changed into phosphoglyceraldehyde, which of the following reaction takes place

Question 4

For the reduction of one molecule of CO₂ with water, the energy required is

Question 5

How many molecules of water are needed by a green plant to produce one molecule of hexose reduce 6 molecules of CO₂

Question 6

For the reaction N₂(g) + 3H₂(g)

2NH₃(g), ΔH = – 93.6 kJ mol^–1. The concentration of H₂ at equilibrium will increase if

Question 7

For the reaction 2NO(g)

N₂(g) + O₂(g), ΔH = – 180 kJ mol^–1 . Which of the following facts does not hold good?

Question 8

A solution is saturated with respect to SrCO₃(K_sp= 7.0 × 10^–10) and SrF₂(K_sp=7.9 × 10^–10). The

was found to be 1.2 × 10^–3 M. The concentration of F^– in the solution would be

Question 9

Mark the correct statement

Question 10

2.5 mL of

M weak mnoacidic base (K_b = 1 × 10^–12 at 25^oC) is titrated with

M HCl in water at 25^oC. The concentration of H⁺ at equivalence point is

Question 11

Three liquids of densities p₁, p₂ and p₃ (with p₁> p₂ > p₃). having the same value of surface tension T, rise to the same height in three identical capillaries. The angles of contact e1, e2 and e3 obey

Question 12

A spherical ball is dropped in a long column of viscous liquid. Which of the following
graphs represent the variation of
(i) gravitational force with time
(ii) viscous force with time
(iii) net force acting on the ball with time?

Question 13

The coefficient of viscosity for hot air is

Question 14

Horizontal tube of non-uniform cross-section has radii of 0.1 m and 0.05 m respectively at M and N. For a streamline flow of liquid, the rate of liquid flow is

Question 15

The speed of air flow on the upper and lower surfaces of a wing of an aero plane is v₁and v₂ respectively. If A is the cross section area of the wing and p is the density of air, then the upward lift is