Which of the following is not the correct diagram depicting budding in yeast?

A strip of copper was placed in a beaker containing zinc sulphate solution. On observing the strip next day, was there any colour change in the strip?

To prepare a good temporary mount of the petunia leaf peel showing many stomata, from where does the student has to get the peel?

OR

A student sets up the apparatus for the experiment to show that CO₂ is released during respiration. After 2 hours, what would he observe?

A student carries out the experiment of tracing the path of a ray of light through a rectangular glass slab, for two different values of angle of incidence ∠i = 30° and ∠i = 45°. Find the set of values of the angle of refraction (∠r) and the angle of emergence (∠e), she is likely to observe in the two cases.

The following apparatus is available in a laboratory.

Find the best combination of voltmeter and ammeter for finding the equivalent resistance of the resistors in series.