Class XI Weekly Revision Quiz 11 for NEET & AIIMS Exams

Question 1

Which of the following molecules is a primary acceptor of CO2 in photosynthesis?

Question 2

A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?

Question 3

CAM helps the plants in

Question 4

In land plants, the guard cells differ from other epidermal cells in having

Question 5

Which one gives the most valid and recent explanation for stomatal movements?

Question 6

Oxygenic photosynthesis occurs in

Question 7

A few normal seedling of tomato were kept in a dark room. After few days they were found to have become white- coloured like albions, Which of the following terms will you use to describe them ?

Question 8

If the earth stops moving around its polar axis then what will be the effect on the body placed at the south axis?

Question 9

A uniform ring of mass m and radius a is placed directly above a uniform sphere of mass m and of equal to radius. The centre of the ring is at a distance

from the centre of the sphere. The gravitational force (F) exerted by the sphere on the ring is

Question 10

Three equal charges, each having a magnitude of 2.0 x 10^-6C, are placed at the three corners of a right angled triangle of sides 3cm, 4cm and 5cm. The force (in magnitude) on the charge at the right angled corner is

Question 11

The engine of a jet aircraft applies a thrown force of 10⁵ N during takeoff and causes the plane to attain a velocity of 1 km/s in 10 s. The mass of the plane is

Question 12

Complete the following reaction:

Question 13

The final product form when propylene is hydrated is

Question 14

What is the final product when CH₃MgI is made to react with acetone and the addition product is further hydrolysed?

Question 15

The major product formed in the following reaction is