Which of the following is suitable temperature required for the process of photosynthesis?
PST ---P-1----18L
a) 15 degree centigrade
b) 20degree centigrade
c) 25 degree centigrade
d) 350 degree centigrade
What is given off by the plant during photosynthesis that animals need?
a) Oxygen
b) Carbon dioxide
c) Chlorophyll
d) Water vapors
Plants are known as purifiers of air due to process of…………………….
a) Desiccation
b) Photosynthesis
c) Respiration
d) Transpiration
In higher plants, root pressure and capillary action are mainly responsible for the development of : NTS PET 24/08/2019 (1:30)
a) active transport
b) transpiration stream
c) food chain
d) lenticels
Respiration results in……………..
a) Release of oxygen
b) Anabolism
c) Release of carbon dioxide
d) Transfer of carbon dioxide
………..is the outer most layers that covers the upper and lower surfaces of the leaf.
a) stomata
b) Epidermis
c) xylem
d) phloem
