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Biology : XI-CH07 – Structural Organization in Animals – Assertion and Reason

Read the assertion and reason carefully to mark the correct option.

10 Random question from this chapter are displayed, you can take the quiz multiple times to cover all questions

1 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Extracellular materials help in separation of cells.

Reason: Cell junctions are formed by extra cellular materials.

2 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Cockroach possesses mosaic vision.

Reason: Eye of cockroach contains several ommatidia.

3 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Ciliated epithelium mainly present in the inner surface of hollow organs like bronchioles and fallopian tube.

Reason: Cilia are microvilli.

4 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Frog shows sexual dimorphism

Reason: Male frog can be distinguished from female by presence of vocal sacs

5 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Cockroach is pest.

Reason: Cockroach destroys food and contaminates it with their excreta.

6 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Epithelial tissues protect the under lying and over lying tissues.

Reason: Materials are exchanged at the surfaces across the epithelial tissues.

7 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Sperm glue together and form spermatophores in vas deferens in cockroach.

Reason: Sperm stores in vas deferens in cockroach

8 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Earthworm known as friend of farmers

Reason: They make soil porous which helps in respiration and penetration of the developing plant roots.

9 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Muscle fibres are said to be contractile in nature.

Reason: Cells of muscle tissues can shorten forcefully and again return to the relaxed state.

10 / 10

Read the assertion and reason carefully to mark the correct option out of the options given below:

Assertion: Frogs shows hibernation and aestivation

Reason: This protect frog from extreme heat and cold respectively.

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