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TLS Online TPP Program

#Question id: 12489

Achondroplasia shows autosomal dominant inheritance with complete penetrance. A man with achondroplasia has an unaffected partner of normal height. Their first two children are not affected. Which of the following is correct?

#Part-A Aptitude & General Biotechnology
  1. The probability that their next child will be affected is 1 in 2.
  2. The probability that each of their children will be affected is less than 1 in 2 because the parents of the man with achondroplasia are not affected.
  3. The mother of these children has a sister with achondroplasia. This increases the risk that the children could be carriers.
  4. If their third child is unaffected, then the probability that their fourth child will be affected is 1 in 8.
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TLS Online TPP Program

#Question id: 12673

#Part-B Specialized Branches in Biotechnology

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for
TLS Online TPP Program

#Question id: 12674

#Part-B Specialized Branches in Biotechnology

You  have  a  friend  who  is  wary  of  environmentalists? claims  that  global  warming  could  lead  to  major  biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?
TLS Online TPP Program

#Question id: 12675

#Part-B Specialized Branches in Biotechnology

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions
What would be a likely entry for box A?

TLS Online TPP Program

#Question id: 12676

#Part-B Specialized Branches in Biotechnology

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions.

What would be a likely entry for box B?

TLS Online TPP Program

#Question id: 12677

#Part-B Specialized Branches in Biotechnology

Aquatic ecosystems that are most readily damaged by acid are those that lack an important buffer that dissolves into the runoff after a precipitation event. What is this buffer?
TLS Online TPP Program

#Question id: 12678

#Part-A Aptitude & General Biotechnology

The length of the diagonal of a square is ‘a’ cm. Which of the following represents the area of the square (in sq. cm.) ?