4596: Sugarcane, sugarbeet, sweetpea, chickpea, pigeonpea and French bean belong to
(a) two plant families
(b) three plant families
(c) four plant families
(d) five plant families
4597: Consider the following international languages :
1. Arabic
2. French
3. Spanish
The correct sequence of the languages given above in the decreasing order of the number of their speakers is :
(a) 3-1-2
(b) 1-3-2
(c) 3-2-1
(d) 1-2-3
4598: Three circles are externally tangent to each other. Their radii are 2 inches, 3 inches and 4 inches. The centres of these circles are joined to form a triangle. The length of the largest side of the triangle is
(a) 5 inches
(b) 6 inches
(c) 7 inches
(d) 8 inches
4599: With reference to medieval Indian rulers, which one of the following statements is correct ?
(a) Alauddin Khalji first set up a separate ariz's department
(b) Balban introduced the branding system of horses of military
(c) Muhammad bin Tughlaq was succeeded by his uncle to the Delhi throne
(d) Firoz Tughlaq set up a separate department of slaves
4600: Recently "oilzapper" was in the news, What is it?
(a) It is the latest technology to control the accidentally caused flames from oil wells
(b) It is an eco-friendly technology for the remediation of oily sludge and oil spills
(c) It is the latest technology developed for under-sea oil exploration
(d) It is a genetically engineered high biofuel-yielding maize variety