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Guj Board 2016 Class 10 Science

Subjective

22 Qs

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How nano-technology can be useful in energy sector? Explain.

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Draw a labelled diagram of experiment explaining Ohm's Law.

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What is isomer? Write the isomer of butane with structural formula?

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Write the industrial name and two use of ethyne.

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Write four points of difference between arteries and veins.

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Explain the types of waste based on its nature and degradation.

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Write the definition of acid and base based on Arrhenius principle and write the limitations of this principle.

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Write the properties of hormone.

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Explain the acquired trait with examples.

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In which way analogous organs gives evidence for evolution?

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Explain the usefulness of dam constructed on the river.

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Explain total internal reflection using diagram.

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What precautions should be taken during the use of electricity?
(Write any six points).

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Write principle and uses of electric motor with diagram.
(Constructions and working is not necessary).

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Explain the method of preparation of hydrogen gas in laboratory with chemical equation and diagram?

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Explain the cleansing process of the soap and detergent.

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Explain the processes to control human population.

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What is len's formula? Derive the formula for spherical lens.

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Write the name of different stages of obtaining pure metal from its ore. Explain refining of copper by electrolysis with diagram?

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Discuss the Bayer's method for extraction of alumina from bauxite ore with chemical equation.

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What is nutrition? Explain heterotrophic nutrition with their types.

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What is respiration? Write the detail note on human respiratory organs.

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Objective

45 Qs

Related Questions to study

Which gas is produced during the reaction of base with metals?

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In three test tubes , and iron nails, water, oil and anhydrous calcium chloride is taken. Among these test tubes, in which test tubes corrosion of nails will not take place?

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Which displacement reaction will not occur among the following reactions?

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In the table, properties of some specimens are given.
SpecimenMelting PointShiningMalleabilityElectric conductivity
HighmoreNoinsulator
HighlessNoconductor
HighmoreYesconductor
LowlessYeslow conductor

Which of the specimen is a metal?

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Which statement is wrong among the following statement?
Statement : Non metal possess the property of ductility and malleability
Statement : Non metallic elements in solid form are brittle
Statement : Metal can produce ringing sound by striking
Statement : Melting points and boiling points of metals are low

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Properties of one gas is given below.
 It is produced by Haber's process
 It possesses very intensive smell, causing irritation in the nose and eyes
 It is highly soluble in water
 Its aqueous solution acts as a weak base
Identify the gas:

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Make the correct pairs from below mentioned and .
a) Dehydrating agent Sulphur dioxide gas
b) In preparation of fire crackers Concentrated sulphur acid
c) Weak bleaching agent Dihydrogen gas
d) Lightest gas Sulphur

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Water-gas is a mixture of which gases?

: Carbon dioxide 
: Hydrogen 
: Carbon monoxide

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Which component obtained from the refining of petroleum is used as a solvent in petrochemicals?

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Properties of one of the mineral coal is given below. Identify the mineral coal:
It is a matured form of mineral coal
It contains to % carbon
Its heat energy is about kJ gram

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Which of the following(s) are called fossil fuel?

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The general formula for alcohol series is . What is the formula for alcohol containing four carbon?

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One girl student uses the liquid compound to remove nail paint from her nail. The liquid compound removes the nail paint from her nail. Give the name of this compound.

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From which of the following, methanol is not used?

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The food we take in our body travels through a long and complex path. Which starts from mouth and ends at anus? Which is the correct sequence of process on food in digestive system?

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Which statement is true for structure of human heart?

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In which part of the body blood gets purified (becomes oxygenated)?

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During which process blood is filtered out in Bowman's capsule?

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By which name, the short tubular region after Bowman's capsule in kidney, is known?

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What is called the movement of plant towards gravity?

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Which of the following is a mis-matched pair?

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What does the figure indicates given below?

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In which living organism asexual reproduction take place among following?

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Which process is important for production gametes in living organism performing sexual production in context with chromosomes?

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The following chart depicts the fertilization between male and female during sexual production.

               Male reproductive organ Male gametes
                                                                                                                             Zygote
Female reproductive organ Female gametes  

Which is true for and from the following?
Sr. No.
Sperms
TestisOvaOvary
TestisOvarySpermOva
UterusPenisOvaSperms
PenisUterusSpermsOva

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Which is the correct sequence in context with the least bio degradable to most biodegradable material?

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Which sentence is not true in context with house hold waste management?

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When we destroy forest, what we are actually destroying is:

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Today we are using natural resources maximum. Which of the following alternative correctly explain the natural resources?

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An important parameter that determines the functioning of nano material is surface area to volume ratio. Because of which reason small granules of sugar dilute faster than big piece of sugar cube?

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Make a proper pair:

a) Fullerene
b) SWNT
c) MWNT
d) Carbon nano buds

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Which statement is wrong from the following for the reflection by plane mirror?

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Which is true for the far sightedness or hypermetorpia from the following?

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Which pair is not correct for the instrument used in the laboratory and their uses from the following?

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To deposit the copper on the iron spoon, the copper plate is to be connected with what?

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and are the conductors in the following diagram. By removing which conductor the bulb will not glow?

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Which statement is true according to Ohm's law?

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Which statement is wrong from the following?

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Match the following:
Section ASection B
. Fuse Converts electric energy in to mechanical energy
Electric generator Heating effect of electric current
Electric motor Converts mechanical energy in to electrical energy

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Which instrument is not used to convert electrical energy in to heat energy?

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Planets are divided in to two groups based on their characteristic.
Structure of planets resemble to earthStructure of planets resembles Jupiter
They have fewer natural satellitesThey have large number of natural satellites
They have thin atmosphereRings are seen around planets
Which of the following in included in group ?

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Some planets and their characteristics are given below. Which option is wrong among this?

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Which statement is wrong from the following?
: METSAT is useful for weather forecasting.
: INSAT is useful for Direct to Home (DTH) transmission.
: CARTOSAT is useful for astronomical observation.

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When honeybee bites, which chemical enters in to our body?

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One student examines the properties of substance in laboratory. Aqueous solution of this substance converts blue litmus paper in to red. Identify the substance.
: Lemon juice : Tomato juice : Washing soda

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