Force and Laws of Motion — Science STD 9 — Question

You are given a mixture of iodine in alcohol called tincture iodine. Which method will you use to recover both, iodine as well as alcohol, from this mixture?

One of the following can hear infrasound. This one is:

1. Dog.
2. Bat.
3. Rhinoceros.
4. Humans.

Which of the following statement is always correct?

Green plants in an ecosystem are called:

1. Producers.
2. Consumers.
3. Decomposers.
4. None of the above.

Which of the following is not a property of a molecule?

Which one of the following is most likely to exhibit Tyndall effect?

Parenchyma: Simple: Phloem: ___________.

1. Simple
2. Collenhyma
3. Complex
4. Xylem

Epithelial tissue always has an exposed outer surface and an inner surface anchored to connective tissue by a thin, non-cellular structure called the:

1. Nonstratified layer.
2. Stratified membrane.
3. Basement membrane.
4. Fibroblast.

The particle not present in an ordinary hydrogen atom is:

1. Proton.
2. Neutron.
3. Nucleus.
4. Electron.

The cell wall of which out of these is not made up of cellulose: