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TLS Online TPP Program

#Question id: 15717

 In The Origin of Species, Darwin propounded two major hypotheses:

#Zoology
  1. that organisms have descended, with modification, from common ancestors; and that the chief cause of modification is natural selection acting on hereditary variation.
  2. that organisms have descended, with modification, from separate ancestors; and that the chief cause of modification is natural selection acting on hereditary variation
  3. “facts” are in some cases simple, confirmed observations; in other cases, a “fact” is a hypothesis that has acquired so much supporting evidence that we act as if it is true.
  4. A body of ideas about the causes of evolution
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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.
TLS Online TPP Program

#Question id: 40542

#Environmental Science

ASSERTION–REASON QUESTION

Assertion (A):Eutrophication leads to hypoxic conditions in water bodies.

Reason (R):Decomposition of algal biomass consumes dissolved oxygen.
TLS Online TPP Program

#Question id: 40543

#Environmental Science

ASSERTION–REASON QUESTION
Assertion (A):Ozone in the troposphere acts as a greenhouse gas.
Reason (R):Tropospheric ozone absorbs longwave radiation emitted by Earth.