The process of mineralisation by micro organisms helps in the release of: a. inorganic nutrients from humus

Bacteria and fungi

Many proteins including certain toxins are secreted in their inactive form. They get activated, only when exposed to a specific trigger (pH. temperature etc.). It is advantageous to the bacteria...

Minerals & Vitamins are the micro nutrients of diet. Function of Micro nutrients.  (i) Calcium :- It is required for bone and teeth formation, deficiently causes osteoporosis, Rickets and retorted growth.  (ii)...

Micro Nutrients are Nutrients required in small quantify 1). Vitamins: A, D, E, K, C, B Complex 2) Minerals: Sodium, Calcium, Phosphorus, Potassium, Sulphur, Iron 3) Trace Elements: Copper, Iodine, Chromium, Cobalt

(iii) humus, Answer is correct

(c) absorb the digested food. 

(i) provides O2 to the body. (iii) helps the body to get rid of CO2.

(d) In the 20th century tea was being grown in 3 African countries like Tanzania, Kenya and Uganda. So, the assertion is wrong. But the reason is correct because tea...

(d) Bacteria, microalgae and fungi is most widely used in industries. Bacteria like Lactobacillus sp. is used in manufacturing of vinegar and alcohol by fementation process.  Most of algae are used...

(c) Gambusia affinis is an larvivorous fish. This fish is released into ponds and wells to controlling the mosquitoes by eating mosquito larvae, insects and crustaceans.