1601: In the sequence of numbers 5, 8, 13, X, 34, 55, 89,..........the value of "X" is
(a) 20
(b) 21
(c) 23
(d) 29
1602: Rickets is caused due to:
(a) Deficiency of Vitamin A
(b) Deficiency of Vitamin D
(c) Deficiency of Vitamin C
(d) Low intake of proteins
1603: Which of the following is a dance - drama ?
(a) Kathakali
(b) Bharatnatyam
(c) Odissi
(d) Manipuri
1604: Which of the following statements best describes "carbon fertilization"?
(a) Increased plant growth due to increased concentration of carbon dioxide in the atmosphere
(b) Increased temperature of Earth due to increased concentration of carbon dioxide in the atmosphere
(c) Increased acidity of oceans as a result of increased concentration of carbon dioxide in the atmosphere
(d) Adaptation of all living beings on Earth to the climate change brought about hr the increased concentration of carbon dioxide in the atmosphere
1605: Mycorrhiza is a symbiotic association between
(a) Bacteria and roots of higher plants
(b) Algae and roofs of orchids
(c) Fungi and roots of higher plants
(d) Protozoa and roots of higher plants