2941: Excessive release of the pollutant carbon monoxide (CO) into the air may produce a condition in which oxygen supply in the human body decreases. What causes this condition ?
(a) When inhaled into the human body, CO is converted into CO2
(b) The inhaled CO has much higher affinity for haemoglobin as compared to oxygen
(c) The inhaled CO destroys the chemical structure of haemoglobin
(d) The inhaled CO adversely affects the respiratory centre in the brain
2942: Consider the following statements:
1. Smart Card is a plastic card with an embedded microchip.
2. Digital technology is primarily used with new physical communication medium such as satellite and fiber optics transmission.
3. A digital library is a collection of documents in an organised electronic form available on the internet only.
Which of the statements given above is/are correct?
(a) 3 only
(b) 1 and 2
(c) 2 and 3
(d) 1, 2 and 3
2943: Regarding the atom of a chemical element, the magnetic quantum number refers to
(a) orientation
(b) shape
(c) size
(d) spin
2944: Match List I with List II and select the correct answer using the codes given below the Lists :
List I--------------List II
(Resorts)------- (States)
I. Chakrata-------- (A) Assam
II. Haflong---------- (B) West Bengal
III. Kalimpong--------- (C) Uttar Pradesh
IV. Kufri----------(D) Himachal Pradesh
Codes:
(a) I-A, II-C, III-B, IV-D
(b) I-C, II-A, III-D, IV-B
(c) I-C, II-A, III-B, IV-D
(d) I-A, II-C, III-D, IV-B
2945: Which one of the following pairs of primitive tribes and places of their in-habitation is not correctly matched ?
(a) Buksa : Pauri-Garhwal
(b) Kol : Jabalpur
(c) Munda : Chhotanagpur
(d) Korba : Kodagu