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TLS Online TPP Program

#Question id: 40170

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Acid rain causes damage to historical monuments made of marble (like the Taj Mahal).
Reason (R): Sulfur dioxide in the air reacts with calcium carbonate in marble to form calcium sulfate (Gypsum), causing the stone to flake off.
In light of the above statements, choose the correct answer:

#Environmental Science
  1. Both (A) and (R) are true and (R) is the correct explanation of (A)
  2. Both (A) and (R) are true but (R) is NOT the correct explanation of (A)
  3. (A) is true but (R) is false
  4. (A) is false but (R) is true
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TLS Online TPP Program

#Question id: 2957

#Zoology

A mutation in the gene that codes for p53 can result in-

A. loss of an inhibitor protein, p21.

B. loss of a transcription factor.

C. uncontrolled cell growth and cancer.

Which of the following is correct?
TLS Online TPP Program

#Question id: 2958

#Biochemistry

Which of the following structures is not a feature of the mitotic chromosome?
TLS Online TPP Program

#Question id: 2958

#Zoology

Which of the following structures is not a feature of the mitotic chromosome?
TLS Online TPP Program

#Question id: 2959

#Biochemistry

During which of the following mitotic phases are chromosomes dispersed the most?
TLS Online TPP Program

#Question id: 2959

#Zoology

During which of the following mitotic phases are chromosomes dispersed the most?
TLS Online TPP Program

#Question id: 2960

#Biochemistry

Which type of spindle microtubules are attached to chromosomes?