51. Our major foods, fibres, spices, fruits and beverage crops are
52. Movements due to light are shown by
53. Outer covering of virus made up of protein is
54. Radish is a
55. Most common disease of poultry in India is
56. Most abundant tissues of our body are
57. Mumps is a disease caused by
58. Rain water helps to increase the ____ to some extent.
59. Number of chromosomes in Down's syndrome is
60. Plants are killed in winter by frost
61. One of the following is most suitable for study of mutations
62. Pulses are a good source of
63. Oxygen in our blood is transported by a protein named
64. Nymph is the name of young one of
65. One day you wake with a sore throat and a runny nose. Your doctor takes a swab from your throat, sends it to a lab, and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor's statement?
66. Plants that grow under average temperature and moisture are called
67. Oxyreductases, transferases, hydrolases, lyases, isomerases and ligases are all classes of
68. Mutation is
69. Pollination by wind is called
70. Pollen grains in plants are produced in
71. Nitrogen is fixed in ecosystems in ways stated below. Which one of the statements below is false?