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TLS Online TPP Program

#Question id: 2115

Which of the following statements about diffusion is true?

#Unit 2. Cellular Organization

  1. It is very rapid over long distances.

  2. It requires an expenditure of energy by the cell.

  3. It is an active process in which molecules move from a region of lower concentration to a region of higher concentration.

  4. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

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TLS Online TPP Program

#Question id: 33230

#Unit 1. Molecules and their Interaction Relevant to Biology

The pH dependence of the rate of the reaction catalyzed by fumarase produces the following curve. Which amino acid/s likely to be present in the active site
TLS Online TPP Program

#Question id: 15979

#Unit 12. Applied Biology

Embryo developed through the cell proliferation__
a) From the explant without callus formation
b) Callus formation takes place
c) By indirect embryogenesis
d) By direct embryogenesis
e) By using growth regulator
TLS Online TPP Program

#Question id: 22949

#Unit 5. Developmental Biology

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?
TLS Online TPP Program

#Question id: 4912

#Unit 8. Inheritance Biology

Correns described that the inheritance of variegated color on the leaves of certain plants was determined by the maternal parent only. What phenomenon does this describe?
TLS Online TPP Program

#Question id: 3429

#Unit 11. Evolution and Behavior

Which of the following is a behavioral pattern that results from a proximate cause?