The maximum and minimum thermometer is used to measure

A. light intensity

B. highest and lowest temperature of the day

C. atmospheric pressure

D. highest and lowest amount of rainfall in a month

E. soil temperature

Which of the following organisms will have the highest biomass?

A. Small fish

B. Tadpole

C. Hawk

D. Phytoplankton

E. Big fish

Which of the following is the correct sequence for energy transfer and nutrient cycling among living things
in an ecosystem?

A. Consumers → producers → decomposers

B. Producers → decomposers → consumers

C. Decomposers → producers → consumers

D. Producers → consumers → decomposers

E. Consumers → decomposers → producers

Which of the following factors does not affect the distribution of organisms in an aquatic habitat?

A. Turbidity

B. Depth of water

C. Humidity

D. Temperature

E. Availability of nutrient

A habitat with low rainfall, very low humidity, exposed soil with little plant cover, few trees and shrubs is
likely to be

A. a rain forest

B. a mangrove forest

C. a desert

D. a swamp

E. an estuarine

Which of the following factors may not cause over-crowding?

A. Limited space

B. Scarcity of food

C. Reduced birth rate

D. Lose immigration conditions

E. Increased birth rate

Crops grown mainly to feed animals are called

A. forage crops

B. here crops

C. wood crops

D. oil crops

E. spices

The farming practice by which an exhausted farm land is left for a number of years before cultivation is
known as

A. crop rotation

B. continuous cropping

C. monocropping

D. bush fallowing

E. mixed cropping

In palm-wine, yeast acts as a

A. carrier

B. culturing agent

C. preservative

D. catalyst

E. sweetening agent

Which of the following farm practices can cause loss of soil fertility?

A. Mulching

B. Compost application

C. Use of fertilizers

D. Terracing

E. intensive cropping