Answer: D) right ventricle, pulmonary artery, and left atrium Explanation: Right ventricle (which pumps blood to the lungs), pulmonary artery (which carries blood to the lungs), and left atrium (which receives blood from the lungs) are involved directly in pulmonary circulation.

Answer: A) Excellence in sports Explanation: The Arjuna Awards are given by the Ministry of Youth Affairs and Sports, Government of India to recognize outstanding achievement in sports. Started in 1961, the award carries a cash prize of ₹ 500,000, a bronze statue of Arjuna and a scroll.

Answer: D) Carbondioxide Explanation: 72% of the totally emitted greenhouse gases is carbon dioxide.   Hence, Carbon dioxide (Co2) is predominantly responsible for Global warming.

Dispute Act, 1947 put certain prohibitions on the right to strike. A strike may be illegal if it contravenes the provision of section 22, 23 or 24 of the Act.

Answer: B) Pulmonary abscess Explanation: Pulmonary abscess is a type of liquefactive necrosis of the lung tissue.    Hence, Localized area of pus formation in the lungs is Pulmonary abscess.

Answer: A) nonpolar, with a symmetrical distribution of charge Explanation: CF4 is tetrahedral. Since the four 'F' atoms have the same electronegativity values, there is no bias in electron distribution toward any one.   Therefore, electron/charge distribution is symmetrical, which also means that the molecule is nonpolar.   Hence, CF4 is nonpolar molecule with a symmetrical distribution of charge.

Answer: B) 3.5% Explanation: Seawater or salt water is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of approximately 3.5% or 35 parts per thousand. This means that for every 1 litre (1000 mL) of seawater there are 35 grams of salts dissolved in it.   Hence, The average salinity of seawater is 3.5%.

Answer: A) discourage producers from taking harmful actions. Explanation: Government regulation protects constitutional rights, safety, and fairness.   Hence, Government regulation is intended to discourage producers from taking harmful actions.