4471: It is possible to produce seedless tomato fruits by
(a) applying trace elements in tomato fields
(b) spraying mineral solution on plants
(c) spraying hormones on flowers
(d) applying fertilizers containing radioactive elements
4472: Consider the following statements :
Hard water is not suitable for
I. drinking.
II. washing cloths with soap.
III. use in boilers.
IV. irrigating crops.
Which of these statements are correct ?
(a) I and III
(b) II and III
(c) I, II and IV
(d) I, II, III and IV
4473: Poison glands of snakes are homologous to
(a) electric organs of fishes
(b) stings of rays
(c) sebaceous glands of mammals
(d) salivary glands of vertebrates
4474: Which one of the following is the correct sequence of the given Indian cities in the decreasing order of their normal annual rainfall?
(a) Kochi - kolkata - Delhi - Patna
(b) kolkata - Kochi - Delhi - Patna
(c) Kochi - kolkata - Patna - Delhi
(d) kolkata - Kochi - Patna - Delhi
4475: 'SWAYAM', an initiative of the Government of India, aims at
(a) promoting the Self Help Groups in rural areas
(b) providing financial and technical assistance to young start-up entrepreneurs
(c) promoting the education and health of adolescent girls
(d) providing affordable and quality education to the citizens for free