451: Which one of the following types of glass can cut off ultraviolet rays ?
(a) pyrex glass
(b) Soda glass
(c) Crookes glass
(d) Jena glass
452: With reference to the latest developments in stem cell research, consider the following statements:
1. The only source of human stem cells are the embryos at blastocyst stage
2. The stem cells can be derived a without causing destruction to blastocysts
3. The stem cells can regenerate themselves in vitro virtually forever
4. Indian research centres also created a few cell lines which can be developed into many types of tissues
Which of these statements are correct?
(a) 1, 2, 3 and 4
(b) 1, 2 and 3
(c) 1, 2 and 4
(d) 3 and 4
453: With reference to the religious history of India, consider the following statements:
1. Sautrantika and Sammitiya were the sects of Jainism.
2. Sarvastivadin held that the constituents of phenomena were not wholly momentary, but existed forever in a latent form.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
454: With reference to the international meeting held in the year 2006, which of the following pairs is/are correctly matched ?
1. NAM Summit : Havana
2. APEC Meeting : Bangkok
3. EU-India Summit : Helsinki
4. Un Climate Change Conference : Geneva
Select the correct answer using the codes given below:
(A) 1 only
(B) 1, 2 and 3
(C) 1 and 3 only
(D) 2,3 and 4
455: Which one of the following statements correctly describes the meaning of legal tender money ?
(a) The money which is tendered in courts of law to defray the fee of legal cases
(b) The money which a creditor is under compulsion to accept in settlement of his claims
(c) The bank money in the form of cheques, drafts, bills of exchange, etc.
(d) The metallic money in circulation in a country