RRB Group-D Question Paper - 2014 with Answers

RRB Group-D Question Paper - 2014 with Answers

81) Which one of the following pairs is correctly matched ?

Answer is:

Sandalwood : Kerala

82) Chemical signals released by an organism that influences the behaviour of other individuals of the same species are called

Answer is:

Pheromone

83) The micro-organism which has the ability to fix air nitrogen is

Answer is:

Rhizobium

84) Which of the following hormone helps to develop female sex characters ?

Answer is:

Estrogen

85) Elephantiasis disease of human beings is caused by

Answer is:

Wuchereria