TLS Online TPP Program

#Question id: 11544


When a steroid hormone and a polypeptide hormone exert similar effects on a population of target cells, then ________.

#Biochemistry
  1. the steroid and polypeptide hormones must use the same biochemical mechanisms
  2. the steroid and polypeptide hormones must bind to the same receptor protein
  3. the steroid hormones affect the synthesis of effector proteins, whereas polypeptide hormones activate effector proteins already present in the cell
  4. the steroid hormones affect the activity of certain proteins within the cell, whereas polypeptide hormones directly affect the processing of mRNA

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TLS Online TPP Program

#Question id: 40536

#Environmental Science

Consider statements about leachate formation:
1. Moisture infiltration contributes to leachate generation.
2. Decomposition products dissolve into percolating water.
3. Proper liners eliminate leachate formation entirely.
Correct statements:

TLS Online TPP Program

#Question id: 40537

#Environmental Science

On hazardous waste management:
1.Secure landfills isolate toxic materials.
2.Mixing hazardous waste with municipal waste reduces toxicity.
3.Treatment aims to stabilize harmful constituents.
Choose Correct option:

TLS Online TPP Program

#Question id: 40538

#Environmental Science

Match List I (Pollutant) with List II (Primary Impact):

List IList II
A. SO21. Neurotoxicity
B. Mercury2. Acid rain
C. Nitrates3. Methemoglobinemia
D. CFCs4. Ozone depletion

TLS Online TPP Program

#Question id: 40539

#Environmental Science

Match List I with List II regarding air pollutants and their effects

List I (Pollutant)List II (Effect)
A. Peroxyacetyl nitrate (PAN)1. Reduces oxygen-carrying capacity of blood
B. Sulphur dioxide2. Causes photochemical smog
C. Nitrogen dioxide3. Bronchial irritation and acid rain
D. Carbon monoxide4. Pulmonary edema and reduced lung function

TLS Online TPP Program

#Question id: 40540

#Environmental Science

Match the heavy metal with the associated disease

List I (Metal)List II (Disease/Effect)
A. Mercury1. Minamata disease
B. Cadmium2. Itai-itai disease
C. Lead3. Black foot disease
D. Arsenic4. Anemia and neurological damage

TLS Online TPP Program

#Question id: 40541

#Environmental Science

ASSERTION–REASON 

Assertion (A):Biomagnification is more pronounced in aquatic ecosystems.

Reason (R):Persistent organic pollutants are fat-soluble and resistant to biodegradation.