432 + Interview Questions in PRACTICALS IN GENERAL AWARENESS Page 3 InterviewSolution

101.	The bleaching action of sulphur dioxide is due toA. oxidationB. evaporationC. substitutionD. reduction
Answer» Correct Answer - D

Discussion

102.	The smell of sulphur dioxide isA. like that of burning sulphurB. like that of rotten eggsC. pleasantD. nauseating
Answer» Correct Answer - A

Discussion

103.	Sulphur dioxide gas should not be inhaled directly becauseA. it smells like a rotten eggB. it excites laughterC. it can damage lungsD. it smells like rotten fish
Answer» Correct Answer - C

Discussion

104.	A colourless gas produces irritation in lungs when inhaled and gives the smell of burning sulphur. The gas isA. `SO_(2)`B. `H_(2)S`C. HCID. `NO_(2)`
Answer» Correct Answer - A

Discussion

105.	In the reaction with acidified `K_(2)Cr_(2)O_(7)` solution ,` SO_(2)` acts asA. an oxidizing agentB. a reducing agentC. a bleaching agentD. a catalytic agent
Answer» Correct Answer - B

Discussion

106.	Balance between `CO_(2)` and `O_(2)` is maintained byA. transpirationB. TranslocationC. photosynthesisD. nutrition
Answer» Correct Answer - C

Discussion

107.	In which type of respiration, aerobic or anaerobic, more energy is released ?
Answer» Aerobic respiration

Discussion

108.	Respiration isA. an anabolic processB. a cyclic pathwayC. a catabolic processD. an aerobic process
Answer» Correct Answer - C

Discussion

109.	The preferred respiratory substrate isA. glucoseB. sucroseC. maltoseD. glycogen
Answer» Correct Answer - A

Discussion

110.	Carbon dioxide is released as a product duringA. photosynthesisB. respirationC. transpirationD. ascent of sap
Answer» Correct Answer - B

Discussion

111.	Acetic acid isA. a dibasic acidB. a tribasic acidC. a monobasic acidD. none of these
Answer» Correct Answer - C

Discussion

112.	The IUPAC name of acetic acid isA. Methanoic acid.B. ethanoic acidC. propanoneD. formamide
Answer» Correct Answer - B

Discussion

113.	Acetic acid isA. redB. greenC. yellowD. colourless
Answer» Correct Answer - D

Discussion

114.	Acetic acid is essentially present inA. wineB. whiskyC. vinegarD. lemon juice
Answer» Correct Answer - C

Discussion

115.	What characters of Pinus classify it as a gymnosperm ?
Answer» The ovules in Pinus are exposed . After fertilisation they develop into naked seeds. Reproductive organs remain in the form of male and female cones . Due to these characters Pinus is classified as a gymnosperm.

Discussion

116.	In how many years does the female cone of Pinus mature ?
Answer» Correct Answer - In 3 years

Discussion

117.	Where are the foliage leaves found in Pinus ?
Answer» On the dwarf shoots .

Discussion

118.	Which of the following characters are found in ferns ?A. The plants body is differntiated into an aerial shoot system and an underground root system.B. The leaves are divided into leafleatsC. The plants have vascular tissuesD. All of these
Answer» Correct Answer - D

Discussion

119.	Which of the following is a conifer ?A. CycasB. PeaC. PinusD. Mango
Answer» Correct Answer - C

Discussion

120.	The seeds remain enclosed in a fruit inA. mossesB. fernsC. gymnospermsD. angiosperms
Answer» Correct Answer - D

Discussion

121.	Plants that have seeds , but lack flowers and fruits areA. pteridophytesB. fernsC. gymnospermsD. mosses
Answer» Correct Answer - C

Discussion

122.	A plant having seeds but lacking flowers and fruits belongs toA. pteridophytesB. fernsC. gymnospermsD. mosses
Answer» Correct Answer - C

Discussion

123.	What are gymnosperms ?
Answer» Gymnosperms are a group of plants with naked ovules ( not enclosed in ovary ) and naked seeds .

Discussion

124.	The pH of a solution is 7.5 . The solution isA. Acidic .B. basicC. neutralD. none of these
Answer» Correct Answer - B

Discussion

125.	Water is neutral of litmus paper. This is because in water ?A. `[H^(+)] gt [ OH^(-)]`B. `[H^(+)] lt [OH^(-)]`C. `[H^(+)]= [OH^(-)]`D. none of these
Answer» Correct Answer - C

Discussion

126.	what is green vitriol ?
Answer» Ferrous sulphate heptahydrate ` (FeSO_(4) , 7H_(2)O)` is called green vitriol.

Discussion

127.	what is the nature of quicklime ?
Answer» Correct Answer - Basic.

Discussion

128.	Name the gas evolved when ferrous sulphate is heated.
Answer» The gas evolved is sulphur dioxide (`SO_(2))` , which is toxic and poisonous .

Discussion

129.	what is the valency or iron (Fe) in ferrous sulphate ?
Answer» Correct Answer - `+2`

Discussion

130.	Why does the light green colour of a freshly prepared aqueous solution of ferrous sulphate becomes reddish-brown after some time ?
Answer» This is due to the fact that ferrous sulphate is oxidized to ferric sulphate, which is reddish-brown in colour.

Discussion

131.	Give the formula of a crystal of copper sulphate .
Answer» `CuSO_(4)*5H_(2)O`

Discussion

132.	Crystals of ferrous sulphate when exposed to air becomeA. redB. brownC. colourlessD. black
Answer» Correct Answer - B

Discussion

133.	Rate of photosynthesis is independent ofA. quality of lightB. duration of lightC. intensity of lightD. none of these
Answer» Correct Answer - D

Discussion

134.	The oxygen liberated during photosynthesis is fromA. carbon dioxideB. sugarC. waterD. chlorophyll
Answer» Correct Answer - C

Discussion

135.	The major components of food are
Answer» Carbohydrates, proteins and fats are the major components of food .

Discussion

136.	Which gland in a bird helps it arrange feathers ?A. Green glandB. Preen glandC. Tear glandD. Liver
Answer» Correct Answer - B

Discussion

137.	Eggs of mosquito areA. redB. roundedC. shelledD. oval-or-cigar-shaped
Answer» Correct Answer - D

Discussion

138.	What is the source of the oxygen liberated during photosynthesis ?
Answer» Correct Answer - Water

Discussion

139.	Which is incorrect with respect to mosquitoes ?A. Different stages of development in mosquito are distinguishableB. Adult mosquitoes feed on algaeC. Mosquitoes spread diseases suc as malaria and denqueD. Mosquitoes have respiratory trumpets
Answer» Correct Answer - B

Discussion

140.	A female cockroach lays eggs in aA. nestB. meshC. cocoonD. water bag
Answer» Correct Answer - C

Discussion

141.	The most distant part of the leg of a cockroach isA. coxaB. tibiaC. trochanterD. tarsus
Answer» Correct Answer - D

Discussion

142.	Which of the following is correct ?A. All fish have a bony endoskeletonB. Some fish have a cartilaginous endoskeletonC. Gills in all fish are covered by an operculumD. All fish have gills as wall as lungs
Answer» Correct Answer - B

Discussion

143.	The protective layer of the body of a cockroach is made up ofA. keratinB. tanninC. chitinD. cartilage
Answer» Correct Answer - C

Discussion

144.	Which of the following is correct ?A. All fish have a bony endoskeletonB. Some fish have a cartilaginous endoskeletonC. Gills in all fish are covered by an operculumD. All fish have gills as well as lungs
Answer» Correct Answer - B

Discussion

145.	Which of the following grow close together forming a velvety , matlike cover the substratum ?A. FernsB. MossesC. LichensD. Fungi
Answer» Correct Answer - B

Discussion

146.	Which of the following grow close together forming a velvety, matlike cover over the substratum ?A. FernsB. MossesC. LichensD. Fungi
Answer» Correct Answer - B

Discussion

147.	Which of the following characters are found in ferns ?A. The plant body is differentiated into an aerial shoot system and an underground root systemB. The leaves are divided into leafletsC. The plants have vascular tissueD. All of the above
Answer» Correct Answer - D

Discussion

148.	Leaves are green because theyA. absorb blue and red lightB. absorb green lightC. do not absorb , but reflect green lightD. absorb and reflect green light
Answer» Correct Answer - C

Discussion

149.	In dicot leaves, stomata are generally more on theA. upper surfaceB. lower surfaceC. petioleD. veins
Answer» Correct Answer - B

Discussion

150.	Small openings found widely scattered on the epidermis of leaves are calledA. lenticelsB. intercellular spacesC. stomataD. none of these
Answer» Correct Answer - C

Discussion

Explore topic-wise InterviewSolutions in .

The bleaching action of sulphur dioxide is due toA. oxidationB. evaporationC. substitutionD. reduction

The smell of sulphur dioxide isA. like that of burning sulphurB. like that of rotten eggsC. pleasantD. nauseating

Sulphur dioxide gas should not be inhaled directly becauseA. it smells like a rotten eggB. it excites laughterC. it can damage lungsD. it smells like rotten fish

A colourless gas produces irritation in lungs when inhaled and gives the smell of burning sulphur. The gas isA. `SO_(2)`B. `H_(2)S`C. HCID. `NO_(2)`

In the reaction with acidified `K_(2)Cr_(2)O_(7)` solution ,` SO_(2)` acts asA. an oxidizing agentB. a reducing agentC. a bleaching agentD. a catalytic agent

Balance between `CO_(2)` and `O_(2)` is maintained byA. transpirationB. TranslocationC. photosynthesisD. nutrition

In which type of respiration, aerobic or anaerobic, more energy is released ?

Respiration isA. an anabolic processB. a cyclic pathwayC. a catabolic processD. an aerobic process

The preferred respiratory substrate isA. glucoseB. sucroseC. maltoseD. glycogen

Carbon dioxide is released as a product duringA. photosynthesisB. respirationC. transpirationD. ascent of sap

Acetic acid isA. a dibasic acidB. a tribasic acidC. a monobasic acidD. none of these

The IUPAC name of acetic acid isA. Methanoic acid.B. ethanoic acidC. propanoneD. formamide

Acetic acid isA. redB. greenC. yellowD. colourless

Acetic acid is essentially present inA. wineB. whiskyC. vinegarD. lemon juice

What characters of Pinus classify it as a gymnosperm ?

In how many years does the female cone of Pinus mature ?

Where are the foliage leaves found in Pinus ?

Which of the following characters are found in ferns ?A. The plants body is differntiated into an aerial shoot system and an underground root system.B. The leaves are divided into leafleatsC. The plants have vascular tissuesD. All of these

Which of the following is a conifer ?A. CycasB. PeaC. PinusD. Mango

The seeds remain enclosed in a fruit inA. mossesB. fernsC. gymnospermsD. angiosperms

Plants that have seeds , but lack flowers and fruits areA. pteridophytesB. fernsC. gymnospermsD. mosses

A plant having seeds but lacking flowers and fruits belongs toA. pteridophytesB. fernsC. gymnospermsD. mosses

What are gymnosperms ?

The pH of a solution is 7.5 . The solution isA. Acidic .B. basicC. neutralD. none of these

Water is neutral of litmus paper. This is because in water ?A. `[H^(+)] gt [ OH^(-)]`B. `[H^(+)] lt [OH^(-)]`C. `[H^(+)]= [OH^(-)]`D. none of these

what is green vitriol ?

what is the nature of quicklime ?

Name the gas evolved when ferrous sulphate is heated.

what is the valency or iron (Fe) in ferrous sulphate ?

Why does the light green colour of a freshly prepared aqueous solution of ferrous sulphate becomes reddish-brown after some time ?

Give the formula of a crystal of copper sulphate .

Crystals of ferrous sulphate when exposed to air becomeA. redB. brownC. colourlessD. black

Rate of photosynthesis is independent ofA. quality of lightB. duration of lightC. intensity of lightD. none of these

The oxygen liberated during photosynthesis is fromA. carbon dioxideB. sugarC. waterD. chlorophyll

The major components of food are

Which gland in a bird helps it arrange feathers ?A. Green glandB. Preen glandC. Tear glandD. Liver

Eggs of mosquito areA. redB. roundedC. shelledD. oval-or-cigar-shaped

What is the source of the oxygen liberated during photosynthesis ?

Which is incorrect with respect to mosquitoes ?A. Different stages of development in mosquito are distinguishableB. Adult mosquitoes feed on algaeC. Mosquitoes spread diseases suc as malaria and denqueD. Mosquitoes have respiratory trumpets

A female cockroach lays eggs in aA. nestB. meshC. cocoonD. water bag

The most distant part of the leg of a cockroach isA. coxaB. tibiaC. trochanterD. tarsus

Which of the following is correct ?A. All fish have a bony endoskeletonB. Some fish have a cartilaginous endoskeletonC. Gills in all fish are covered by an operculumD. All fish have gills as wall as lungs

The protective layer of the body of a cockroach is made up ofA. keratinB. tanninC. chitinD. cartilage

Which of the following is correct ?A. All fish have a bony endoskeletonB. Some fish have a cartilaginous endoskeletonC. Gills in all fish are covered by an operculumD. All fish have gills as well as lungs

Which of the following grow close together forming a velvety , matlike cover the substratum ?A. FernsB. MossesC. LichensD. Fungi

Which of the following grow close together forming a velvety, matlike cover over the substratum ?A. FernsB. MossesC. LichensD. Fungi

Which of the following characters are found in ferns ?A. The plant body is differentiated into an aerial shoot system and an underground root systemB. The leaves are divided into leafletsC. The plants have vascular tissueD. All of the above

Leaves are green because theyA. absorb blue and red lightB. absorb green lightC. do not absorb , but reflect green lightD. absorb and reflect green light

In dicot leaves, stomata are generally more on theA. upper surfaceB. lower surfaceC. petioleD. veins

Small openings found widely scattered on the epidermis of leaves are calledA. lenticelsB. intercellular spacesC. stomataD. none of these