Which of the following is correctly matched?
Process                               Function
A. Coagulation                  I. Pathogen inactivation
B. Sedimentation              II. Destabilisation of colloids
C. Chlorination                  III. Settling of particles
D. Activated carbon         IV. Adsorption of organic pollutants

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#Question id: 39076

#Life Sciences

 Assertion (A): Echinoderms show radial symmetry in adult stage.

Reason (R): Echinoderms have bilateral symmetry throughout life.

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#Question id: 39077

#Zoology

Assertion (A): Arthropods possess jointed appendages.

Reason (R): Chitin is the main component of arthropod exoskeleton.

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#Question id: 39077

#Life Sciences

Assertion (A): Arthropods possess jointed appendages.

Reason (R): Chitin is the main component of arthropod exoskeleton.

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#Question id: 39078

#Zoology

Assertion  (A) : Mammals are endothermic animals.

Reason (R): Presence of hair and sweat glands helps in thermoregulation

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#Question id: 39078

#Life Sciences

Assertion  (A) : Mammals are endothermic animals.

Reason (R): Presence of hair and sweat glands helps in thermoregulation

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#Question id: 39079

#Zoology

 Match Column I with Column II

Column I (Phylum/Class)	Column II (Characteristic)
A. Porifera	1. Water vascular system
B. Annelida	2. Canal system
C. Echinodermata	3. Metameric segmentation
D. Arthropoda	4. Jointed appendages