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12th Biology Weekly Test - 2 ( Zoology - Organisms and Population )

St. Britto Hr. Sec. School - Madurai

12th Biology Weekly Test - 2 ( Zoology - Organisms and Population )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

1000 fish in the volume of water in the pond indicates __________

Relative abundance
Ecological density
Crude density
Population density

Match the following and choose the correct combination from the options given below.

Column I Column II

A. Mutalism 1. Lion and deer

B. Commensalism 2. Round worm and man

C. Parasitism 3. Birds compete with squirrels for nuts

D. Competition 4. Sea anemone on hermit crab

E. Predation 5. Bernacles attached to Whales.

A- 4, B-5, C-2, D –3, E-1
A- 3, B-1, C-4, D – 2, E-5
A- 2, B-3, C-1, D – 5, E-4
A- 5, B-4, C-2, D – 3, E-1

Animals that can move from fresh water to sea called as______

Stenothermal
Eurythermal
Catadromous
Anadromous

"Birds and mammals attain greater body size in colder regions than warmer regions.''-
Choose the correct option.

Bergmann's rule
Jordon's rule
Sewall wright effect
Allen's rule

Diapause is a type of response classified under _________ .

Suspend
Migrate
Conform
Regulate

Which of the following is an r-species

Human
Insects
Rhinoceros
Whale

Birds sitting on cows to eat insects is an example of _______

Competition
Mutualism
Commensalism
Amensalism

Competition between species leads to

Extinction
Mutation
Amensalism
Symbiosis

The relationship between sucker fish and shark is__________

Competition
Commensalism
Predation
Parasitism.

Nuts are eaten by birds and squirrels. This is an example of an interaction called _______

Commensalism
Mutualism
Amensalism
Competition

Organisms which can survive a wide range of temperatuer are called

Ectotherms
Eurytherms
Endotherms
Stenotherms

Predation and parasitism are which type of interactions?

(+,+)
(+, O)
(--, --)
(+, --)

Van't Hoffs rule describes the impact of _______ on the environment.

Light
Temperature
Water
Soil

Type of response in hibernation and aestivation.

Suspend
Regulate
Migrate
Conform

Given below are some examples for population interactions. Which among the following shows mutualism?

Lion and deer
Man and tape worm
Hermit crab and sea-anemone
Sucker fish and shark

Part - B

Generic 5 - Answer All Question

Give an account of the properties of soil.

Write about the essential properties of water.

List the differences between R selected and K selected species.
Differentiate between Tundra and Taiga Biomes.

Give an account of population regulation

Write a note on grassland biome.

Describe Growth Models/Curves.

List out the properties of soil.

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