Denitrifying bacteria
Nitrifying bacteria
Nitrogen fixing bacteria
Nitrogen freeing bacteria
Nitrogen putrefying bacteria
Correct answer is C
No explanation has been provided for this answer.
Which one of the following is not an excretory product?
Urine
Sweat
Faeces
Salts
Carbon-dioxide
Correct answer is C
The major excretory products are carbon dioxide, excess water, and nitrogenous compounds like ammonia, urea, uric acid.
It is simply a matter of definition. Because feces are basically the remnants, remains, leftovers of food ingested but not digested (hence the remains,) its removal is named egestion.
In which of the following tissue do the cells have the ability to divide?
Meristem
Sclerenchyma
Phloem
Collenchyma
Pith
Correct answer is A
No explanation has been provided for this answer.
spleen
Parathyroid
Adrenal body
Thyroid
Pancreas
Correct answer is E
No explanation has been provided for this answer.
The farmer cannot check soil erosion effectively by
Constructing is ridges of planting across the slope
Cultivating cover crops
Practising strip farming
Clearing the land of vegetation
Constructing terraces
Correct answer is D
No explanation has been provided for this answer.