Question

pls answer these questions

Answer 1

left auricle
hammer anvil stirrup
ductless gland in pancreas
does not require light energy
none of them

Answer 2

i-. The chamber of heart that contains pure blood is left Auricle and left ventricle

ii- Ear ossicles consists of hammer, anvil and stirrup
iii- Islets of Langerhans are duct less glands in pancreas
iv-The 'Dark Reaction' in photosynthesis is called so because it does not require light energy

v-. Vaccine is produced by introduction of dead and weak germs