181: What is the increasing order of the wavelengths of the following colours?
1. Orange
2. Indigo
3. Yellow
4. Violet
(a) 1, 2, 3 and 4
(b) 3, 1, 4 and 2
(c) 1, 3, 2 and 4
(d) 4, 2, 3 and 1
182: Consider the following statements:
1. Anhydrous sodium carbonate is commonly known as baking soda.
2. Baking soda is used in fire extinguishers.
3. Bleaching power is manufactured in Hasenclever plant.
Which of the following statements given above is/are correct?
(a) 1 and 2
(b) 2 and 3
(c) 3 only
(d) 1, 2 and 3
183: Which one of the following pairs is correctly matched ?
(a) Vikramsila Monastery : Uttar Pradesh
(b) Hemkund Gurudawara : Himachal Pradesh
(c) Udayagiri Caves : Maharashtra
(d)Amaravati Buddhist Stupa : Andhra Pradesh
184: Hawala transactions relate to payments
(a) received in rupees against overseas currencies and vice versa without going through the official channels
(b) received for sale/transfer of shares without going through the established stock exchanges
(c) received as commission for services rendered to overseas investors/buyers/ sellers in assisting them to get over the red tape
and/or in getting preferential treatment
(d) made to political parties or to individuals for meeting election expenses
185: Identical twins are born when:
(a) Two sperms fertilise one ovum
(b) Two sperms fertilise two ovums simultaneously
(c) One sperm fertilises the ovum and zygote divides into two separate cells developing independently
(d) One sperm fertilises two ovums