Which of the following statements is true?
Ptyalin acts on proteins to give amino acid
Lactase acts on maltose to give amino acid
Pepsin acts on proteins to give peptide
Peptide acts on starch to give maltose
Correct answer is C
No explanation has been provided for this answer.
The dentition of a herbivore is distinct from that of other animals due to the presence of
diastema
cusps on molar teeth
canines
ridges on molar teeth
Correct answer is A
No explanation has been provided for this answer.
The importance of a balanced diet is to
maintain constant size of an animal
provide good taste in the food
increase the effectiveness of digestion
provide good health for an individual
Correct answer is D
No explanation has been provided for this answer.
In water- culture experiments the culture solutions are protected from sunlight in order to
control the temperature of the culture solution
prevent algae from growing in the solution
prevent the minerals in the solution from being destroyed
allow the minerals to be used up at room temperature
Correct answer is B
No explanation has been provided for this answer.
Use the information below on factors required during photosynthesis to answer the following question
I. CO2
II. Chlorophyll
III. Water
IV. ATP V NADPH2
The factors required for the dark phase of photosynthesis are
III and IV only
III and V only
III, IV and V only
IV and V only
Correct answer is C
No explanation has been provided for this answer.