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Q:

Which three processes are methods of genetic recombination?

A) independent assortment B) Crossing over
C) fertilization D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

Genetic recombination is a complex process that involves alignment of two homologous DNA strands, precise breakage of each strand, equal exchange of DNA segments between the two strands, and sealing of the resultant recombined DNA molecules through the action of enzymes called ligases.

Crossing over, independent assortment and fertilization are methods of genetic recombination.

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Q:

Hydra reproduces by

A) Fragmentation B) Multiple fission
C) Budding D) Binary fission
 
Answer & Explanation Answer: C) Budding

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Q:

The gas evolved when sodium carbonate reacts with hydrochloric acid is

A) Hydrogen B) Chlorine
C) Hydrogen Chloride D) Carbon dioxide
 
Answer & Explanation Answer: D) Carbon dioxide

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Q:

Which is the first metallic element in the Modern Periodic Table?

A) Li B) Na
C) He D) H2
 
Answer & Explanation Answer: A) Li

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Q:

Yerwada Jail is in

A) Mumbai B) Pune
C) Goa D) Nagpur
 
Answer & Explanation Answer: B) Pune

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Filed Under: Indian Geography
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Q:

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word

 

A) Sichology B)   Psychology  
C) Sighchology   D) Sychology  
 
Answer & Explanation Answer: B)   Psychology  

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Q:

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

Their is direct evidence that when learning (1)/ occurs, neuro-chemical communication between (2)/ neurons is facilitated and less input is required. (3)/ No error (4)

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

Which one of the following oxides of Nitrogen is also known as Laughing Gas?

A) NO2 B) N2O5
C) NO D) N2O
 
Answer & Explanation Answer: D) N2O

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