A. DNA B. Protein, RNA and DNA C. RNA and ATP D. RNA Correct Answer: Option B B. Protein, RNA…
A. Hooke and Lavine B. Darwin and Landsteiner C. Landsteiner and Lavine D. Hooke and Darwin Correct Answer: Option C…
A. the range in height of a pea plant from 30cm to 50cm B. Offspring, including the two male cats…
A. prevention of bush-fires B. extensive felling of forest trees C. replacing of harvested trees by planting seedlings D. selective…
A. of the presence of Azotobacter in their roots B. they possess root nodules containing Rhizobium C. they have a…
A. animals that reproduce sexually B. organisms confined to forest reserves C. organisms that are constantly regenerating themselves D. plants…
A. fore-and hind-limbs B. no gills C. no fins D. no scales Correct Answer: Option B B. no gills
A. number of organisms B. survival of the fittest C. availability of nutrient supplied D. enlargement of the territory Correct…
A. food supply B. mutation C. predation D. disease Correct Answer: Option B B. mutation
A. nutrition B. movement C. breathing D. growth Correct Answer: Option C C. breathing