In the given transverse section of the leaf identify the layer of cells where maximum photosynthesis occurs.
Important Questions on Sample Paper 1
Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration.
Observe the three figures given below. Which of the following depicts tropic movements appropriately?
The diagram shown below depicts pollination. Choose the options that will show a maximum variation in the offspring.
A copper wire is held between the poles of a magnet.
The current in the wire can be reversed. The pole of the magnet can also be changed over. In how many of the four directions shown can the force act on the wire?
Plastic insulation surrounds a wire having diameter and length as shown above. A decrease in the resistance of the wire would be produced by an increase in the
