CBSE Class 10 Science 2015 Term I Set 1

Question : 33 of 36

Marks: +1, -0

Rina set up the apparatus for demonstrating that

{\CO}_2

is released during respiration of germinating seeds. After 2 hours when she observed the set up she did not find the water to rise in the bent tube from the beaker. The reason could be because :

the beaker has coloured water.
The set-up is air tight.
no oxygen is available to seeds for respiration.
carbon-dioxide is not being absorbed.

Solution:

Go to Question:

Prev Question

Next Question