P-2 Life Processes in Living Organisms Part – 2 — Science STD 10 — Question

Write definitions: Cellular respiration.

What is the principle of froth floatation process?

Name the artificial propagation mehod used for the propagation of:

1. Rose plants.
2. Apple trees.

Name the law which is illustrated by the above V-I graph.

Which fossil fuel is conserved.
when we save on electricity?

Tell me who am I? What is my class/ phylum?
1. I am sedentary marine animal drinking water all the time through numerous pores on the body.
2. I am venomous, eight legged creature having chitinous exoskeleton.
3. My body is covered by tunic. As a larva I swim but as an adult I settle down.

Name the product formed when hydrogen is added to ethene.

What does a stem (or shoot) do in response to gravity? What is this phenomenon known as?

Name the body part with which the terms myopia and hypermetropia are connected.

Which appliance convert mechanical energy into electrical energy?