Study and practice Agricultural Science past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.
The data for feed consumption and weighing gain of four farm animals labelled P, Q, R and S are shown below.
P-50kg feed consumed and 20kg weight gained Q-90kg feed consumed and 30kg weight gained R-100kg feed consumed and 25kg weight gained S - 150kg feed consumed and 30kg weight gained.
The feed conversion efficiency of the poorest weight gainer is
A0.4
B0.33
C0.25
D0.2
View Explanation & Discuss
Question 33
jamb2015
The main objective of establishing forest in the arid region is to
Acheck desert encroachment
Bprovide firewood for cooking
Cprovide bush-meat
Dimprove the beauty of the environment.
View Explanation & Discuss
Question 34
jamb2015
A sow that is not producing milk after farrowing should be given
Aoxytocin
Bantibiotic
Canthelmintic drug
Dsulphaquinoxaline.
View Explanation & Discuss
Question 35
jamb2015
Corns, rhizomes and tubers are examples of
Aunderground stems
Bunderground roots
Cmodified leaves
Daerial stems
View Explanation & Discuss
Question 36
jamb2015
If T represents the gene for tallness while t represents dwarfness
When a tall (TT) crop is crossed with a dwarf (tt) crop, the resultant crops will be
A100% dwarf
B100% tall
C50% tall and 50% dwarf
D75% tall and 25% dwarf.
View Explanation & Discuss
Question 37
jamb2015
The forest management system which involves the planting of both food crops and forest trees on the same piece of land at the same time is known as
ASelective exploitation
BTaungya
CSlips
Dcuttings
View Explanation & Discuss
Question 38
jamb2015
If T represents the gene for tallness while t represents dwarfness
The genotypic ratio of the second filial generation will be
A3 : 1
B1 : 2 : 1
C2 : 2
D4 : 0
View Explanation & Discuss
Question 39
jamb2015
Poaching is prohibited in game reserves to
Areduce wildlife population
Bconserve wildlife
Cstarve hunters
Dprotect hunters from wild animals.
View Explanation & Discuss
Question 40
jamb2015
Which of the following groups of rocks is formed as a result of volcanic eruption?
ALimestone, basalt and shale
BBasalt, granite and pumice
CSandstone, granite and quartzite
DMarble, gneiss and shale.
View Explanation & Discuss
Question 41
jamb2015
The following are advantages of sub-surface irrigation except that
Ait is suitable for soils with low water holding capacity
Bit can be used only for specific types of crops
Cthe rate of evaporation is greatly reduced
Dit reduces the incidence of pests
View Explanation & Discuss
Question 42
jamb2015
Crop rotation decreases the incidence of pests by
Abreaking life cycles of pests
Battracting pest predators
CSterilizing the soil
Dmaintaining soil fertility.
View Explanation & Discuss
Question 43
jamb2015
Tomatoes are staked in order to
Aaccelerate their growth
Binduce flowering
Caccelerate fruit ripening
Dprevents rotting of fruits
View Explanation & Discuss
Question 44
jamb2015
In crop production, ginger is propagated by
Aseeds
Bbulbs
Crhizome
Dcorn
View Explanation & Discuss
Question 45
jamb2015
The instrument which enables a surveyor to find the direction of a base line is
AAbney level
Branging pole
Cplumb bob
Dmagnetic compass
View Explanation & Discuss
Question 46
jamb2015
The following crops will enrich the soil with nitrates except
ACalopogonium
Bpueraria
Ccentrosema
DAxonopus
View Explanation & Discuss
Question 47
jamb2015
Yellow colouration of the lower leaves of a growing maize plant may be due to deficiency in
Apotassium
Bphosphorus
Czinc
Dnitrogen
View Explanation & Discuss
Question 48
jamb2015
Which of the following statements is correct about micro-nutrients? They
APromote formation of only root nodules
Bare required by plants in very small quantities
Care fixed into the soil through microbial activity
Dincrease crop tolerance to pest attack.
View Explanation & Discuss
Question 49
jamb2015
The weight of a sheep increased from 25kg to 45kg in two months.
If the total consumption during the period was 60kg. Determine the feed conversion ratio
A1 : 1
B1 : 2
C3 : 1
D4 : 1
View Explanation & Discuss
Question 50
jamb2015
Soil water that is available for root absorption at field capacity is
