1816: "To uphold and protect the Sovereignty, Unity and Integrity of India" is a provision made in the
(a) Preamble of the Constitution
(b) Directive Principles of State Policy
(c) Fundamental Rights
(d) Fundamental Duties
1817: If the angles of a triangle are in the ratio of 4 : 3 : 2, then the triangle
(a) is obtuse
(b) has one angle greater than 80°
(c) is a right triangle
(d) is acute
1818: Which one of the following statements is correct?
(a) Prions are the smallest free-living cells
(b) The cell wall of Mycoplasmas is made up of amino sugars
(c) Viroids consist of a single-stranded RNA molecule
(d) Rickettsias lack cell wall
1819: Khaira is a plant disease caused due to the deficiency of:
(a) Iron
(b) Carbon
(c) Zinc
(d) None of the above
1820: Consider the following statements:
1. 'Bijak' is a composition of the teachings of Saint Dadu Dayal.
2. The Philosophy of Pushti Marg was propounded by Madhvacharya.
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