12th Biology Ecology Quiz Online MCQ free test for 2026 exam

Are you student of 12th Biology grade or preparing any competitive exam based on 12th standard? If yes! Participate in 12th Biology Ecology Quiz for Check knowledge with instant result. Subscribe our YouTube Channel youtube.com/@Vidyalite and Study MCQ 12th Biology Quiz with question answer for better marks.

Ecology MCQ Test Quiz

Report a question

You cannot submit an empty report. Please add some details.

Time: 10 Minutes for 10 Question.

12th Biology: Ecology

1 / 10

1. Population density refers to:

2 / 10

2. If a population doubles in size every 3 years, what is its intrinsic rate of increase (r)?

3 / 10

3. Resource partitioning that enables species coexistence involves:

4 / 10

4. An example of parasitism is:

5 / 10

5. In logistic population growth, the population initially:

6 / 10

6. Biological control of pests is based on:

7 / 10

7. Which of the following is an example of mutualism?

8 / 10

8. An adaptation that allows an animal to avoid detection by predators is called:

9 / 10

9. Chemical defenses evolved by plants against herbivores include:

10 / 10

10. Brood parasitism in birds involves:

Insert Full Name and email for result and certificate.

Your score is

Share this quiz with your friends and ask for test their knowledge.

LinkedIn Facebook

Score card Ecology Test

Pos.NameScorePoints
There is no data yet

Vidyalite Team

Give Your Rating and Review

Helpful for your studies? Leave a review with 5-star rating!

No ratings yet. Be the first to rate!

★ ★ ★ ★ ★