Biology - Study Mode

[#386] In which body cavities are the lungs located
Correct Answer

(B) Thoracic cavity

Explanation

Solution: The lungs are located in thoracic cavity.

[#387] The molecule that is the main source of ATP synthesis
Correct Answer

(A) Glucose

Explanation

Solution: In general, the main energy source for cellular metabolism is glucose, which is catabolized in the three subsequent processes—glycolysis, tricarboxylic acid cycle (TCA or Krebs cycle), and finally oxidative phosphorylation—to produce ATP.

[#388] Accumulation of which one of the following leads to cramp?
Correct Answer

(A) Lactic acid

Explanation

Solution: The accumulation of lactic acid is the main reason for the formation of cramps in sprinters.

[#389] Who discovered the insecticidal properties of DDT?
Correct Answer

(C) Paul Muller

Explanation

Solution: In 1939 the Swiss chemist Paul Müller discovered the insecticidal properties of DDT.

[#390] There is no bacteria activity in which of the following process?
Correct Answer

(C) Ripening of cheese

Explanation

Solution: There is no bacteria activity in the ripening of cheese.