RRB JE Mock Test 2019

1. What is Vermiculture?                  (1)

  1. 1. The science of raising worms
  2. 2. The science of studying animals
  3. 3. The science of studying fishes
  4. 4. The science of killing worms
2. The study of Gerontology, is related to which of the following?                     (4)

  1. 1. Child infant
  2. 2. Female
  3. 3. Disease of skin
  4. 4. Old age
3. Genetics deals with-                              (4)

  1. 1. Mendel’s laws
  2. 2. Organic evolution
  3. 3. DNA structure
  4. 4. Heredity and variations
4. Dinosaurs were:                     (4)

  1. 1. Cenozoic reptiles
  2. 2. Mesozoic birds
  3. 3. Paleozoic amphibians
  4. 4. Mesozoic reptiles
5. Poison gland of snakes is homologous to-                       (4)

  1. 1. Electric organ of fishes
  2. 2. Stings of rays
  3. 3. Sebaceous glands of mammals
  4. 4. Salivary gland of vertebrates