676: The process of light exposure in a 24-hour cycle that controls the growth and development of certain plants and animals is called:

(a) Photosynthesis

(b) Photoionisation

(c) Photoperiodism

(d) Photoluminescence
677: With reference to the Indian history of art and culture, consider the following pairs: Famous work of Site Sculpture

1. A grand image : Ajanta of Buddha's Mahaparinirvana With numerous celestial musicians above and the sorrowful figures of his followers below
2. A huge image of : Mount Abu Varaha Avatar (boar Incarnation) of Vishnu, as he rescues Goddess Earth from the deep and chaotic waters sculpted on rock
3. "Arjuna's Penance"/ : Mamallapuram "Descent of Ganga" sculpted on the surface of huge boulders

Which of the pairs given above is/are correctly matched?

(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
678: Most guitarists are bearded males. If A represents all males, B represents bearded males and C represents all male guitarists, then the correct diagram for their relation (shaded portion) is
679: A new type of El Nino called El Nino Modoki appeared in the news. In this context, consider the following statements:

1. Normal El Nino forms in the Central Pacific ocean whereas El-Nino Modoki forms in Eastern Pacific ocean.

2. Normal EI Nino results in diminished hurricanes in the Atlantic ocean but El Nino Modoki results in a greater number of hurricanes with greater frequency.

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
680: Who of the following is a football player?

(a) Lewis Hamilton
(b) Nicolas Anelka
(c) Fernando Alonso
(d) Kimi Raikkonen