The splitting of water molecule by light during photosynthesis is called
chemosynthesis
haemolys
hydrolysis
photolysis
haemolysis
Correct answer is D
No explanation has been provided for this answer.
Which of the following crop diseases is caused by a fungus?
Cassava blight
Cocoa black pod
Groundnut rosette
Lettuce mossaic
Yam mosaic
Correct answer is B
No explanation has been provided for this answer.
Which of these is produced by pancreas?
Insulin
Pepsin
Ptyalin
Renin
Streapsin
Correct answer is A
No explanation has been provided for this answer.
Which of these is NOT an example of reflex action
Walking
Banging of feet on an object
Blinking of the eyes
Jerking of the knee
Sneezing
Correct answer is A
No explanation has been provided for this answer.
Which of the following is NOT a natural method of birth control?
Abstaining from sex
Prolonged breast feeding
Rhythm method
Use of condom
Withdrawal method
Correct answer is D
No explanation has been provided for this answer.
Which of these factors least affects population size?
Availability of food
Disease
Immigration
Rate of reproduction
Variation
Correct answer is E
No explanation has been provided for this answer.
Crime detection in a forensic laboratory involves the use of
blood transfusion
blood analysis
fingerprints
genetic combination
tongue rolling ability
Correct answer is C
No explanation has been provided for this answer.
During fertilization, the direction in which the pollen tube grows is controlled by
Ovary
ovule
pollen grains
pollen tube nucleus
style
Correct answer is D
No explanation has been provided for this answer.
The following are functions of the liver EXCEPT
deamination of excess amino acids and proteins
excretion of bile pigments
manufacture of blood plasma
production of heat
storage of vitamins and minerals
Correct answer is C
No explanation has been provided for this answer.
Which of these organisms exists as a filament?
Diatom
Euglena
Paramecium
Spirogyra
Volvox
Correct answer is D
No explanation has been provided for this answer.
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