Which of the following is correct regarding respiration in adult frog

• In water- Skin, gills

• On land - Skin, buccal cavity

• In water- Skin, buccal cavity

• On land- Skin, lungs, gills

One of the world's most poisonous fish toxins is released by

• clown fish

• eel fish

• sword fish

• puffer fish

What is common between earthworm and Periplaneta

• Both have red coloured blood

• Both possess anal styles

• Both have malpighian tubules

• Both have segmented body

194.

Pebrine in silkworms is caused by

• Dugesia

• Monocystis

• Nosema

• Plasmodium

Which of the following is a homopolysaccharide

• Heparin

• Inulin

• Pectin

• Hyaluronic acid

Assertion: Frog can change its colour, according to its surroundings.

Reason: It is a way of mimicry to capture preys

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false

Assertion: Complexity of classification increases from kingdom to species.

Reason: Common characters increase from kingdom to species.

• If both assertion and reason are true and reason is the correct explanation of assertion.

• If both assertion and reason are true but reason is not the correct explanation of assertion.

• If assertion is true but reason is false.

• If both assertion and reason are false

In the given table, some organisms are classified into categories. However, there is one exception. Select the option with correctly mentioned exceptional organism.

• Organisms	Category	Exception
  Penicillium, Aspergillus, Mucor	Fungi	Mucor

• Organisms	Category	Fungi
  Cacti, Venus flytrap	Plants	Cacti

• Organisms	Category	Exception
  Ascaris, Nereis, Wuchereria	Aschelminthes	Nereis

• Organisms	Category	Exception
  Scorpion, Prawn, Anopheles	Arthropoda	Prawn

Which of the following have porous body and are diploblastic?

• Aurelia and Obelia

• Adamsia and Euplectella

• Leucosolenia and Spongilla

• Sycon and Hydra

Which of the following statements is correct

• Aspergillus niger is used for producing cyclosporin A.

• Activated sludge is digested by aerobic bacteria to produce marsh gas.

• Fleming, Chain & Florey were awarded with Nobel Prize for discovering penicillin. 

• BOD is amount of oxygen produced by bacteria on decomposition.