Organisms and Populations Book Back Practice Test

12th Standard Zoology — Organisms and Populations: Book Back Online Practice Test

Pick how many questions you want and set a time limit, then start. You'll get your score at the end with the correct answer and an explanation for every question. Free, in Tamil and English — 12 questions available.

Set up your test

Number of questions

Time limit

Time remaining00:00

All populations in a given physical area are defined as

A.Biome B.Ecosystem C.Territory D.Biotic factors

Organisms which can survive a wide range of temperature are called

A.Ectotherms B.Eurytherms C.Endotherms D.Stenotherms

The interaction in nature, where one gets benefit on the expense of other is...

A.Predation B.Mutualism C.Amensalism D.Commensalism

Predation and parasitism are which type of interactions?

A.(+,+) B.(+, O) C.(--, --) D.(+, --)

Competition between species leads to

A.Extinction B.Mutation C.Amensalism D.Symbiosis

Which of the following is an r-species

A.Human B.Insects C.Rhinoceros D.Whale

Match the following and choose the correct combination from the options given below. Column I A. Mutualism B. Commensalism C. Parasitism D. Competition E. Predation Column II 1. Lion and deer 2. Round worm and man 3. Birds compete with squirrels for nuts 4. Sea anemone on hermit crab 5. Barnacles attached to Whales

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

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively.

சுற்றுச்சூழல் காரணிகளுக்கு ஏற்ப உயிரினங்களின் எதிர்வினையைக் காட்டும் வரைபடம்.

A.A- Conformer, B- Regulator, C- Partial Regulator B.A- Regulator, B- Partial Regulator, C- Conformer C.A- Partial Regulator, B- Regulator, C- Conformer D.A- Regulator, B- Conformer, C- Partial Regulator

The relationship between sucker fish and shark is...........

A.Competition B.Commensalism C.Predation D.Parasitism

Q10

Which of the following is correct for r-selected species

A.Large number of progeny with small size B.Large number of progeny with large size C.Small number of progeny with small size D.Small number of progeny with large size

Q11

Animals that can move from fresh water to sea called as.....

A.Stenothermal B.Eurythermal C.Catadromous D.Anadromous

Q12

Some organisms are able to maintain homeostasis by physical means ...

A.Conform B.Regulate C.Migrate D.Suspend

More for this chapter

About this Organisms and Populations test

This free online practice test covers Organisms and Populations from the 12th Standard Zoology (Samacheer Kalvi) syllabus. Choose the number of questions and an optional time limit, then answer and submit — everything is checked in your browser, with the correct answers and a worked explanation shown at the end. For the full solutions to every question in this set, see the solved MCQs page.

More chapters in Zoology

View all