The bacteria that reduce nitrates in the soil into gaseous nitrogen are referred to as
nitrifying bacteria
denitrifying bacteria
putrefying bacteria
saprophytic bacteria
Correct answer is B
No explanation has been provided for this answer.
Which of the following represents the correct sequence, from the most complex of organisations?
Mitochondrion, Muscle, Alimentary canal, Rabbit, Heart, Neurone
Mitochondrion, Neurone, Muscle, Heart, Alimentary canal, Rabbit
Alimentary canal, Neurone, Muscle, Heart, Rabbit. Mitochondrion
Rabbit, Mitochondrion, Heart, Neurone, Alimentary canal, Muscle
Correct answer is B
No explanation has been provided for this answer.
Which of the following depicts the external features of a rat as mammal?
Long intestine and tail
Diaphragm and lungs
Milk and sweat production
Fur and whisker
Correct answer is D
No explanation has been provided for this answer.
Animal cells are different from plant cells because animal cells have
definite cell wall
large vacuole
centrioles
Chloroplast
Correct answer is C
No explanation has been provided for this answer.
Which part of part of plant cell contains cellulose?
Vacuole
Cytoplasm
Cell wall
Chloroplast
Correct answer is C
No explanation has been provided for this answer.