Answer: A) TRUE Explanation: Air or gas can build up in the pleural space and when this happens, it's called a pneumothorax. Hence the given statement is TRUE.

Answer: A) Electronic Tax Collected at Source Explanation: Tax Collected at Source (TCS) is income tax collected in India payable by the seller who collects in turn from the buyer and it is provided under section 206C of Income Tax Act, 1961 at the sale of some goods which are specified. E - TCS  is the process of filing TCS returns through electronic media. It is necessary for government and corporate collectors to file TCS returns in its electronic form. Collectors (other than government) have the provision to file TCS returns in physical form or electronic form.

Answer: C) PAPVCO Explanation:

Sleeping under a tree is not advisable at night, since photosynthesis does not occur, oxygen is not being produced by the trees. In addition to this, the trees continue respiring thereby causing the amount of carbon dioxide to be increased and the amount of oxygen to be reduced.