Question 1 of 20 2,099 total questions
Which of the following behavioural patterns describes adaptive colouration?
A Counter shadding
B Hibernation
C Aestivation
D Aggregation
E Migration
Bees communicate with one another to obtain information about the direction of food source through
A complicated set of dances
B smell
C contract notes
D observation
E sounds
Which of the following characteristics distinguishes the soldier termite from other members of the caste?
A Wingless, strong mandibles and large head
B Small head, small thorax and large abdomen
C Small head, Wingless, and small thorax
D Small head, winged and small thorax
E Small mandibles, small head and wingless.
In an inter-species competition, the less successful species usually
A reproduce faster
B become more active
C become domant
D occupy more space
E become eliminated
In which of the following is the knowledge of genetics not applicable?
A Development of high-yielding varieties
B Preservation of seeds
C Development of early maturing varieties
D Development of early maturing seed
In man haemophilia is recessive and sex linked, The
Which of the following is not a morphological variation
A Shape of nose
B Colour of skin
C Colour of eyes
D Ear lobe
E Tongue rolling
In which of the underlisted blood groupings is agglutination likely to occur during transfusion?
One of the use of variation is in
A determining the size and weight of an individual
B determining paternity
C conservation of wildlife
D controlling of disease vector
E sex determination
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
In palm-wine, yeast acts as a
A carrier
B culturing agent
C preservative
D catalyst
E sweetening agent
The farming practice by which an exhausted farm land is left for a number of years before cultivation is
A crop rotation
B continuous cropping
C monocropping
D bush fallowing
E mixed cropping
Crops grown mainly to feed animals are called
A forage crops
B here crops
C wood crops
D oil crops
E spices
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
A habitat with low rainfall, very low humidity, exposed soil with little plant cover, few trees and shrubs is
A a rain forest
B a mangrove forest
C a desert
D a swamp
E an estuarine
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
Which of the following is the correct sequence for energy transfer and nutrient cycling among living things
A Consumers → producers → decomposers
B Producers → decomposers → consumers
C Decomposers → producers → consumers
D Producers → consumers → decomposers
E Consumers → decomposers → producers
Which of the following organisms will have the highest biomass?
A Small fish
B Tadpole
C Hawk
D Phytoplankton
E Big fish
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 is an abiotic factor?
A Predation
B Rainfall
C Cropping
D Grazing
E Migration
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