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.