International News-Scientific and Technological Developments [Current Affairs]: Questions 30 - 31 of 32

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Question 30

Question MCQ▾

Which of the statement/statements given below is/are incorrect about NASA՚s X-Ray Telescopes?

(i) The latest X-Ray space telescope of NASA has unveiled an eerie image of a cosmic explosion՚s remnants.

(ii) This strikingly resembles a skeletal hand timed aptly for the Halloween season officially termed as MSH 15 - 52.

(iii) MSH 15 - 52 is showcased by ISRO՚s Chandra X-ray Space Telescope and the IXPE space telescope.

(iv) Researchers studied MSH 15 - 52 for approximately 17 days with the aid of NASA՚s Imaging X-ray Polarimetry Explorer (IXPE) launched in December 2021. (October)

Choices

Choice (4)Response

a.

(i) and (ii) only

b.

(i) , (ii) and (iii) only

c.

(iii) only

d.

(ii) only

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Question 31

Question MCQ▾

Consider the following statements about Haemoglobin in Chondrocytes:

(i) Scientists have recently reported that cells making cartilage also make haemoglobin.

(ii) In China in the year 2017, a pathologist came across spherical structures that bore a striking resemblance to RBCs and contained haemoglobin.

(iii) Functional haemoglobin՚s discovery in cartilage leads to the possibility that it plays a crucial role in certain joint diseases as there are many bone deformities developed from defects in chondrocytes.

(iv) The structure, ‘haemoglobin bodies’ or ‘Herdy’ were found in the cartilage within chondrocytes.

Which of the statement/statements given above is/are correct? (November)

Choices

Choice (4)Response

a.

(iv) only

AND

(ii) only

b.

(iii) only

c.

(i) only

d.

All a., b. and c. are correct

Edit