180 + Interview Questions in ORGANISMS-AND-THE-ENVIRONMENT IN GENERAL AWARENESS Page 4 InterviewSolution

151.	Top soil is darker andA. Contains more Na and MgB. Is drier than subsoilC. Contains more organic matterD. Is wetter than subsoil
Answer» Correct Answer - C

Discussion

152.	Which of the following is not a factor that would limit the growth of a population ?A. Food shortageB. ImmigrationC. DiseaseD. Famines.
Answer» Correct Answer - B

Discussion

153.	Name the equipment used in measuring thermal behaviour of waterA. SEMB. Differential scanning calorimeterC. Real time PCRD. MALDI - TOF
Answer» Correct Answer - B

Discussion

154.	Autoecology is ecological study connected withA. An individualB. PopulationC. SpeciesD. Community.
Answer» Correct Answer - c

Discussion

155.	Which of the following statements regarding responses of organisms to abiotic factors is false?A. All birds and mammals are capable of thermoregulationB. Majority of animals and nearly all plants cannot maintain a constant internal environmentC. Very small animals are commonly found in polar regions as they have to spend less energy to generate heatD. Diapause is a stage of suspended development seen in zooplankton.
Answer» Correct Answer - D

Discussion

156.	A thin top soil supporting dense vegetation occurs inA. Tropical rain forestB. Temperate forestC. Subtropical deciduous forestD. Both A and B.
Answer» Correct Answer - A

Discussion

157.	The kind of soil water most useful to plant isA. Surface waterB. Hygroscopic waterC. Gravitational waterD. Capillary water
Answer» Correct Answer - D

Discussion

158.	Development of soil from parental rock is termed as:A. PedogenesisB. PedologyC. Edaphic factorsD. Edaphic climax
Answer» Correct Answer - A

Discussion

159.	An area of soil thoroughly wetted and allowed to drain till percolation stops will have a water content calledA. Capillary waterB. Stronge waterC. Field capacityD. Gravitational water
Answer» Correct Answer - C

Discussion

160.	The size of caly particles isA. Less than `0.002` mmB. More than `0.002` mmC. None of the above.D.
Answer» Correct Answer - A

Discussion

161.	Water holding capacity of determined by measuring the weight ofA. Soil by adding water and humusB. Water saturated soil first weighed, heating the soil till it is dry and then weighing the soilC. Soil by adding water, biomass and humusD. Soil from different location with biomass.
Answer» Correct Answer - B

Discussion

162.	The soil with poorest water holding capacity isA. ClayB. LoamC. SandyD. Nond of above.
Answer» Correct Answer - C

Discussion

163.	Humus is good for plant growth becauseA. It improves physical condition of soilB. It makes the soil porousC. It increases water holding and aeration of soilD. All the above.
Answer» Correct Answer - D

Discussion

164.	Which of the following has smallest of soil particles?A. Loam soilB. SandC. ClayD. Silt.
Answer» Correct Answer - C

Discussion

165.	A thin film of water, held by the soil particles under the influence of internal attractive force, is called which of the following waterA. Hygroscopic waterB. Capillary waterC. Chemical waterD. Gravitational water
Answer» Correct Answer - A

Discussion

166.	Biotic factors refer toA. Gases produced by industriesB. Nutrient deficient soilsC. Living organismsD. Fossil fuels.
Answer» Correct Answer - C

Discussion

167.	Who divided plants into hydrophytes, exrophytes and mesophytes?A. ShantzB. WarmingC. ClementsD. Odum.
Answer» Correct Answer - b

Discussion

168.	Water holding capacity of sandy soil as compared to clay soil isA. MoreB. LessC. EqualD. None of the above.
Answer» Correct Answer - B

Discussion

169.	Match the columns of size with soil particles A. a-iv, b-I, c-iii, d-iiB. a-iii, b-ii, c-iv,d-iC. a-ii, b-iii, c-iv, d-iD. None of the above.
Answer» Correct Answer - B

Discussion

170.	Acacia arabica(=A.nilotica) isA. HydrophyteB. MesophyteC. XerophyteD. None of the above.
Answer» Correct Answer - C

Discussion

171.	Property of soil based on the size of its particles is termed:A. TextureB. Field capacityC. Water holding capacityD. Soil flora.
Answer» Correct Answer - A

Discussion

172.	At field capacity the soil containsA. Capillary waterB. Gravitational waterC. Hygroscopic waterD. Capillary and hygroscopic water
Answer» Correct Answer - D

Discussion

173.	Submerged hydrophytes exchange gases throughA. StomataB. HydathodesC. LenticelsD. General surface.
Answer» Correct Answer - D

Discussion

174.	In submerged hydrophytes the stomata occurA. On Iower surfaceB. On the upper surfaceC. No whereD. On both the surface.
Answer» Correct Answer - C

Discussion

175.	Clay particles areA. Positively chargedB. Negatively chargedC. Electrically neutralD. Without any charge
Answer» Correct Answer - B

Discussion

176.	Humus is:A. Completely decomposed organic matterB. Partially decomposed organic matterC. Partially decomposed inorganic matterD. Completely decomposed inorganic matter.
Answer» Correct Answer - B

Discussion

177.	in submerged hydrophytes,the stems are extremely weak due toA. Absence of phloemB. Absence of stomateC. Absence of xylemD. Feebly developed supporting tissue and xylem.
Answer» Correct Answer - D

Discussion

178.	Submerged hydrophytes have commonly dissected leaves forA. Decreasing surface areaB. Increasing surface areaC. Reducing effect of water of stomataD.
Answer» Correct Answer - C

Discussion

179.	Species that can tolerate narrow range of temperature are called……….A. StenothermalB. EurythermalC. BiothermalD. Geothermal
Answer» Correct Answer - A

Discussion

180.	Assertion : Most marine animals find it difficult to live in fresh water and vice veria. Reason : Some animals can tolerate a narrow salinity range while others can bear a wide salinity rangeA. Point out if both are true with reasonj being correct not correct explanationB. both are true but reason is not correct explanationC. assertion is true but reason is wrongD. and both, are wrong
Answer» Correct Answer - A

Discussion

Explore topic-wise InterviewSolutions in .

Top soil is darker andA. Contains more Na and MgB. Is drier than subsoilC. Contains more organic matterD. Is wetter than subsoil

Which of the following is not a factor that would limit the growth of a population ?A. Food shortageB. ImmigrationC. DiseaseD. Famines.

Name the equipment used in measuring thermal behaviour of waterA. SEMB. Differential scanning calorimeterC. Real time PCRD. MALDI - TOF

Autoecology is ecological study connected withA. An individualB. PopulationC. SpeciesD. Community.

A thin top soil supporting dense vegetation occurs inA. Tropical rain forestB. Temperate forestC. Subtropical deciduous forestD. Both A and B.

The kind of soil water most useful to plant isA. Surface waterB. Hygroscopic waterC. Gravitational waterD. Capillary water

Development of soil from parental rock is termed as:A. PedogenesisB. PedologyC. Edaphic factorsD. Edaphic climax

An area of soil thoroughly wetted and allowed to drain till percolation stops will have a water content calledA. Capillary waterB. Stronge waterC. Field capacityD. Gravitational water

The size of caly particles isA. Less than `0.002` mmB. More than `0.002` mmC. None of the above.D.

Water holding capacity of determined by measuring the weight ofA. Soil by adding water and humusB. Water saturated soil first weighed, heating the soil till it is dry and then weighing the soilC. Soil by adding water, biomass and humusD. Soil from different location with biomass.

The soil with poorest water holding capacity isA. ClayB. LoamC. SandyD. Nond of above.

Humus is good for plant growth becauseA. It improves physical condition of soilB. It makes the soil porousC. It increases water holding and aeration of soilD. All the above.

Which of the following has smallest of soil particles?A. Loam soilB. SandC. ClayD. Silt.

A thin film of water, held by the soil particles under the influence of internal attractive force, is called which of the following waterA. Hygroscopic waterB. Capillary waterC. Chemical waterD. Gravitational water

Biotic factors refer toA. Gases produced by industriesB. Nutrient deficient soilsC. Living organismsD. Fossil fuels.

Who divided plants into hydrophytes, exrophytes and mesophytes?A. ShantzB. WarmingC. ClementsD. Odum.

Water holding capacity of sandy soil as compared to clay soil isA. MoreB. LessC. EqualD. None of the above.

Match the columns of size with soil particles A. a-iv, b-I, c-iii, d-iiB. a-iii, b-ii, c-iv,d-iC. a-ii, b-iii, c-iv, d-iD. None of the above.

Acacia arabica(=A.nilotica) isA. HydrophyteB. MesophyteC. XerophyteD. None of the above.

Property of soil based on the size of its particles is termed:A. TextureB. Field capacityC. Water holding capacityD. Soil flora.

At field capacity the soil containsA. Capillary waterB. Gravitational waterC. Hygroscopic waterD. Capillary and hygroscopic water

Submerged hydrophytes exchange gases throughA. StomataB. HydathodesC. LenticelsD. General surface.

In submerged hydrophytes the stomata occurA. On Iower surfaceB. On the upper surfaceC. No whereD. On both the surface.

Clay particles areA. Positively chargedB. Negatively chargedC. Electrically neutralD. Without any charge

Humus is:A. Completely decomposed organic matterB. Partially decomposed organic matterC. Partially decomposed inorganic matterD. Completely decomposed inorganic matter.

in submerged hydrophytes,the stems are extremely weak due toA. Absence of phloemB. Absence of stomateC. Absence of xylemD. Feebly developed supporting tissue and xylem.

Submerged hydrophytes have commonly dissected leaves forA. Decreasing surface areaB. Increasing surface areaC. Reducing effect of water of stomataD.

Species that can tolerate narrow range of temperature are called……….A. StenothermalB. EurythermalC. BiothermalD. Geothermal