636: The blood glucose level is commonly expressed as

(a) mm of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre
637: The cure for which of the following diseases exists?

(a) Blood cancer

(b) Hepatitis-B

(c) Breast Cancer

(d) Lung Cancer
638: A consumer is said to be in equilibrium, if

(a) he is able to fulfil his need with a given level of income
(b) he is able to live in full comforts with a given level of income
(c) he can fulfil his needs without consumption of certain items
(d) he is able to locate new sources of income
639: With reference to Need tree, consider the following statements :

1. Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
2. Neem seeds are used in the manufacture of biofuels and hospital detergents.
3. Neem oil has applications in pharmaceutical industry.

Which of the statements given above is / are correct ?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
640: Consider the following statements:

The Environment Protection Act, 1986 empowers the Government of India to

1. state the requirement of public participation in the process of environmental protection, and the procedure and manner in which it is sought
2. lay down the standards for emission or discharge of environmental pollutants from various sources

Which of the statements given above is/are correct?

(a) 1 only

(b) 2 only

(c) Both 1 and 2

(d) Neither 1 nor 2