NEET Class XI Weekly Mock 10 for NEET & AIIMS Exams

Question 1

A plant cell attains turgidity due to

Question 2

The principle pathways by which water is translocated in angiosperms are

Question 3

Pigment, leghaemoglobin is present in roots of

Question 4

Red pigment (leghaemoglobin) having affinity for oxygen is present in the roots of

Question 5

The deficiencies of micronutrients not only affect growth of plants but also vital functions, such as, photosynthetic and mitochondrial electron flow. Among the list given below which group of three elements shall affect most both photosynthetic and mitochondrial electron transport?

Question 6

The values of

for the reactions
2NO(g)

N₂(g) + O₂(g)
and NO(g) +

Br₂(g)

NOBr(g) are 2.4 × 10³⁰ and 1.55, respectively. The value of

for the reaction

N₂(g) +

O₂(g) +

Br₂(g)

NOBr(g) will be about

Question 7

For a concentrated solution of a weak electrolyte A_xB_y, the degree of dissociation is given as

Question 8

200 mL of a strong acid solution of pH = 2.0 is mixed with 800 mL of another acid solution of pH = 3.0. The pH of resultant solution is

Question 9

If the dissociation constant of an acid HA is 1 × 10^–5, the pH of a 0.1 molar solution of the acid will be approximately

Question 10

In a system A(s)

2B(g) + 3C(g) if the concentration of C at equilibrium is increased by a factor of 2, it will cause the equilibrium concentration of B to change to

Question 11

In the figure shown density of lower liquid is three times of density of upper liquid. The cross-sectional areas of openings shown are same. The ratio of mass flow rate from upper opening to lower opening at initial moment is

Question 12

A metal ball immersed in alcohol weighs W₁ at 0 ºC and W₂ at 70 ºC. The coefficient of cubical expansion of the metal is less than that of alcohol. Assuming that the density of the metal is large compared to that of alcohol, it can be shown that

Question 13

Two identical holes each of cross-sectional area A are opened on the opposite sides of a wide vertical vessel filled with water. The difference in vertical height of the two holes is h. The resultant force of reaction of water flowing out of vessel is–

Question 14

A capillary tube (A) is dipped in water. Another identical tube (B) is dipped in a soap-water solution. Which of the following shows the relative nature of the liquid columns in the two tubes ?

Question 15

An ice cube is suspended in vacuum in a gravity-free hall. As the ice melts it–