Q51. The most common mammal is-
(A) Humans (Homo sapiens)
(B) Leopard
(C) Elephant
(D) Lion
(A) Humans (Homo sapiens)
Q52. The vehicle will fall if-
(A) It should be wide
(B) It should not be heavy
(C) Its centre of gravity is within the base
(D) Its centre of gravity is outside the base
(D) Its centre of gravity is outside the base
Q53. The following is an amplifying device:
(A) Diode
(B) Resistor
(C) Transformer
(D) transistor
(D) transistor
Q54. The air becomes hot-
(A) By radiation
(B) By diffusion
(C) by conduction
(D) By convection
(D) By convection
Q55. The density of water is-
(A) maximum of 4°C
(B) maximum of -4°C
(C) constant at every temperature
(D) Maximum at 100°C
(A) maximum of 4°C
Q56. A ‘bug’ in a program is-
(A) description
(B) error
(C) syntax
(D) both (B) and (C)
(B) error
Q57. Which of the following allows computers to transfer data using telephone lines?
(A) Modem
(B) Printer
(C) keyboard
(D) CPU
(A) Modem
Q58. Which of the following States has the lowest child sex ratio in India?
(A) Chhattisgarh
(B) Bihar
(C) Punjab
(D) Haryana
(D) Haryana
Q59. Who wrote the book ‘The Satanic Vesang’?
(A) Gabriela Sabatini
(B) Salman Rushdie
(C) Agatha Christie
(D) Gunnar Myrdal
(B) Salman Rushdie
Q60. The metric system of measurement was introduced in the country-
(A) In the year 1956
(B) In the year 1957
(C) In the year 1954
(D) In the year 1955
(A) In the year 1956