Questions

Q:

A sarcomere is best described as a

 

A) fixed structural unit within a myofibril bounded by Z lines. B) moveable structural unit within a myofibril bounded by H zones.
C) moveable structural unit within a myofibril bounded by Z lines. D) fixed structural unit within a myofibril bounded by A bands.
 
Answer & Explanation Answer: C) moveable structural unit within a myofibril bounded by Z lines.

Explanation:
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Q:

Natural Rubber is a Polymer of

A) butadiene B) 2methyl-1,3butadiene
C) ethylene D) isoprene
 
Answer & Explanation Answer: D) isoprene

Explanation:

Natural Rubber is a Polymer derived from Isoprene. 

 rubber-bands-503028_6401547100511.jpg image

      • Natural rubber is an addition polymer that is obtained as a milky white fluid known as Latex from a Tropical Rubber Tree.
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Q:

'Alice in Wonderland' the famous TV Serial is based on a book written by

A) Charles Dickens B) Thomas Hardy
C) Lewis Caroll D) Victor Hugo
 
Answer & Explanation Answer: C) Lewis Caroll

Explanation:
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Q:

Who is appointed as ambassador for ICC Women's world cup 2017 by the ICC ?

A) Sachin Tendulkar B) Veerender Sehwag
C) Virat Kohli D) Rahul Dravid
 
Answer & Explanation Answer: A) Sachin Tendulkar

Explanation:

ICC appoints Sachin Tendulkar as an ambassador for ICC Women's world cup 2017.

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Q:

Which one is the pure element

A) glass B) cement
C) sodium D) None of these
 
Answer & Explanation Answer: C) sodium

Explanation:
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Q:

Prime Minister NarendraModi released a book authored by LokSabha Speaker SumitraMahajan in New Delhi, recently. The book is titled as __________.

A) Matopadesh B) Bhagyashree
C) Preranadayini D) Matoshree
 
Answer & Explanation Answer: D) Matoshree

Explanation:

Prime Minister NarendraModi released a book authored by LokSabha Speaker SumitraMahajan in New Delhi, recently. The book is titled as 'Matoshree'.

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Q:

Is B2+ Paramagnetic or Diamagnetic?

Answer

B2+ is a Paramagnetic. 


The filled orbitals are σ(1s)22σ(1s)22σ(2s)22σ(2s)22. The half-filled orbitals are π(2pxx) and π(2pyy). Since it posses 2 unpaired electrons, it is Paramagnetic in nature.

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Q:

Only movable bone in the skull

A) Occipital bone B) Frontal bone
C) Mandible D) Temporal bone
 
Answer & Explanation Answer: C) Mandible

Explanation:

The skul contains the bones like Occipital bone, Frontal bone, Mandible, Temporal bone, Parietal bone. The mandible, or jaw bone, is the only movable bone of the skull, forming the temporomandibular joint with the temporal bone. The lower teeth are rooted into the mandible while the upper teeth are rooted in the two maxillae.

 

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