STD IX - Science (I) | Take the Quiz

Scattering of light occurs when a beam of light is passed through __________

Blood

Water

Copper sulphate solution

Brine

In order to separate two liquids using a separating funnel

The liquids must have appreciably different boiling points.

Two liquids must be immiscible with each other.

Two liquids must be invisible with each other.

One of the liquids must be water.

The best method to separate the components of ink is ____________

Chromatography

Evaporation

Sublimation

Filtration

Xylem and Phloem occurs in ______________

Connecting tissue

Procambium

Secondary Cortex

Vascular Cambium

Seema visited Natural Gas Compressing Unit and found that the gas can be liquefied under specific conditions of temperature and pressure. While sharing her experience with friends she got confused. Help her to identify the correct set of conditions.

Low temperature, low pressure

High temperature, low pressure

Low temperature, high pressure

High temperature, high pressure

A cell will swell up if _________

The concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium.

The concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell.

The concentration of water molecules is the same in the cell and in the surrounding medium.

Concentration of water molecules does not matter

Organisms without nucleus and cell organelles belong to _________

Fungi

Protista

Algae

Bacteria

Which cells do not have perforated cell walls?

Tracheids

Companion cells

Sieve tubes

Vessels

According to the third law of motion, action and reaction ___________

Always act on the same body

Always act on different bodies in opposite directions

Have same magnitude and direction

Act on either body at normal to each other.

STD IX - Science (I)

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