Which of the following is considered to be the first product of Photosynthesis?
Protein
Starch
Energised Chlorophyll
Hydroxyl ions
Correct answer is B
Starch is the main and first product formed during photosynthesis because the simple sugar formed is partly used by the plant. Excess sugar is then immediately converted into starch and transported to other parts of the plant through the phloem vessels for storage.
Good quality food will perform the following functions in humans except
Supplying energy
Providing resistance to malaria
Maintaining health
Sustaining growth
Correct answer is B
Quality food cannot provide resistance to malaria because it does not contain anti-malaria substances. Although, it would assist with proper growth.
Which of the following essential substance is contained in vegetable?
Chlorophyll
Glucose
Mineral Salts
Carbon dioxide
Correct answer is C
Vegetable contains mineral salts like magnesium, copper, etc., which is very essential for body growth.
Which of the following juices contains the enzyme ptyalin?
Gastric juice
Succus
Pancreatic juice
Saliva
Correct answer is D
The saliva contains an enzyme called ptyalin which partially helps hydrolyse starch to maltose.
Possession of thin membrane enables a tapeworm to
Fasten themselves to the wall of the host's intestine
Lay numerous eggs
Absorb digested food from the host's intestine to their system
Shield themselves inside the host's intestine with anti-enzymes in order to avoid being digested
Correct answer is C
The tapeworm possesses a thin membrane mostly because of it absorption of digested food from the intestine of the host.