Q.71 The term water pollution is used to cover which of the following effects? I. The addition of undesirable substances to water bodies. II. The removal of desirable substances from water bodies. III. A change ...
Q.60 The reaction between an acid and a base is known as ______.Ans 1. chlorination2. dehydration3. alkalisation4. neutralisationCorrect Ans Provided: 4
Q.56 Which of the following disease is caused by deficiency of vitamin D?Ans 1. Rickets2. Anaemia3. Scurvy4. BeriberiCorrect Ans Provided: 1
Q.66 Which of the following belongs to the phylum aschelminthes? I. TapewormII. RoundwormAns 1. Only I2. Both I and II3. Neither I nor II4. Only IICorrect Ans Provided: 4
Q.68 The thickness of the ozone in a column of air from the ground to the top of the atmosphere is measured in terms of ______ units.Ans 1. Dobson2. Keplar3. Newton4. DopplerCorrect Ans Provided: 1
Q.55 Which of the following statements is/are correct in the context of Air (Prevention and Control of Pollution) Act? I. It came into force in India in 1974. II. It was amended in 1987 to include ...
Q.69 Which of the following pairs of ‘national park – state’ is/are correctly matched? I. Corbett National Park – AssamII. Bandhavgarh National Park – RajasthanAns 1. Neither I nor II2. Only I3. Both I and II4. ...