TLS Online TPP Program

#Question id: 4632


Which of these conditions should completely prevent the occurrence of natural selection in a population over time?

#Zoology
  1. All variation between individuals is due only to environmental factors.

  2. The environment is changing at a relatively slow rate.

  3. The population size is large.

  4. The population lives in a habitat where there are no competing species present.

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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.