The gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting in emergence of new species is known as?
A. adaption B. survival C. regeneration D. variation E. organic evolution Correct Answer: Option E – organic evolution
Which of the following does not imply attempt at conservation?
A. Limit on the size of nets used in fishing B. Limit on the size of vessels to be used in fishing C. Prohibition of hunting or fishing at a certain season D. Prudent management of natural resources E. Retraining from the use of the natural resource Correct Answer:...
Which of the following is the least safe method of birth control? Using
A. spermicide creams B. contraceptive pills C. barriers such as condoms D. intrauterine device E. the withdrawal method Correct Answer: Option E – the withdrawal method
The deficiency of calcium in a plant may result in?
A. stunted growth and poor root development B. poor growth, leaves become orange or brown C. stunted growth, slender stem and yellowing of leaves D. very small leaves and yellowing of leaves E. tall weedy and reddish leaves, ` Correct Answer: Option A – stunted...
The process whereby poisonous compounds are made harmless in the liver is called?
A. deamination B. glycolysis C. dehydration D. detoxification E. denitrification Correct Answer: Option D – detoxificationProducts
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