When a mammal respires anaerobically for a long time
pyruvic acid is convened into acetyl COA
more energy is released from fats in the body
lactic acid accumulates in the muscles
the Krebs cycle is fully completed
Correct answer is B
No explanation has been provided for this answer.
Which of the following structures is not present in the vascular bundles of a dicot stem?
Xylem
Phloem
lntra-fascicular cambium
Inter-fascicular cambium
Correct answer is C
No explanation has been provided for this answer.
The following are useful effect of micro-organisms except
production of vaccines
curing of tobacco
tanning of leather
decay of meat
Correct answer is D
No explanation has been provided for this answer.
Which of the following plant parts does not perform supportive function?
Parenchyma, xylem and collenchyma
Epidermis, sclerenchyma and xylem
Parenchyma, collenchyma and sclerenchyma
Sclerenchyma, xylem and collenchyma
Correct answer is B
No explanation has been provided for this answer.
Which of the following organisms has the largest surface area-to-volume ratio?
Man
Earthworm
Amoeba
Grasshopper
Correct answer is C
No explanation has been provided for this answer.