Directions (Q. 1-5): Solve the following questions -

1. When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy state, they emit light, which we can observe in

(a) Raman spectra
(b) Absorption spectra
(c) Emission spectra
(d) Fluorescence

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2. Blood pressure may be increased by the excessive secretion of

(a) Thyroxine
(b) Testosterone
(c) Estradiol
(d) Estral

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3. The concept of 'Green House Gases' was postulated by

(a) Joseph Furier
(b) Abdul Kalam
(c) M S Swaminathan
(d) Richael Carlson

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4. 'Bhopal gas tragedy' 1984 is related to

(a) Aluminium Phosphide
(b) Methyl bromide
(c) Methyl isocyanate
(d) Carbon dioxide

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5. The Particulate Matter (PM - 10) exhaled from the polluted atmosphere is often filtered out during the process of

(a) Coughing
(b) Sneezing
(c) a and b
(d) Urination

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6. Sarus crane is the state bird of

(a) Rajasthan
(b) Uttar Pradesh
(c) Madhya Pradesh
(d) West Bengal

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7. 'Martyr's Day' is marked on

(a) 1 January
(b) 15 January
(c) 30 January
(d) 9 January

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