Chapter-2 Diversity in the Living World — Online MCQ Test
SCIENCE · Grade 6 · CBSE(NCERT)
Practice Chapter-2 Diversity in the Living World with a free chapter-wise online MCQ test.
This chapter covers: habitat - biodiversity - adaptation.
AI-generated questions from basic to board-exam level, with instant results and explanations.
Chapter-2 Diversity in the Living World — Important Questions & Answers
What is a habitat?
- A. The place where an organism lives
- B. The food an organism eats
- C. The ability of an organism to adapt
- D. The reproduction process of organisms
Answer: A. The place where an organism lives
Habitat is defined as the natural home or environment where an organism lives and finds food, shelter, and other necessities.
Habitat is defined as the natural home or environment where an organism lives and finds food, shelter, and other necessities.
Which of the following is an example of a terrestrial habitat?
- A. Ocean
- B. Forest
- C. River
- D. Pond
Answer: B. Forest
Forests are terrestrial (land-based) habitats where organisms live on land, whereas oceans, rivers, and ponds are aquatic habitats.
Forests are terrestrial (land-based) habitats where organisms live on land, whereas oceans, rivers, and ponds are aquatic habitats.
What does biodiversity mean?
- A. The study of living organisms
- B. The variety of different species and organisms in a particular area
- C. The ability to adapt to changes
- D. The process of reproduction
Answer: B. The variety of different species and organisms in a particular area
Biodiversity refers to the variety of different plants, animals, and microorganisms found in a region or habitat.
Biodiversity refers to the variety of different plants, animals, and microorganisms found in a region or habitat.
Which of the following represents high biodiversity?
- A. A desert with only cacti
- B. A tropical rainforest with thousands of species
- C. A frozen arctic region
- D. A barren mountain peak
Answer: B. A tropical rainforest with thousands of species
Tropical rainforests contain the greatest variety of plant and animal species, representing very high biodiversity compared to other ecosystems.
Tropical rainforests contain the greatest variety of plant and animal species, representing very high biodiversity compared to other ecosystems.
How does biodiversity benefit an ecosystem?
- A. It has no effect on the ecosystem
- B. It increases stability and resilience of the ecosystem
- C. It only benefits large animals
- D. It decreases the food chain
Answer: B. It increases stability and resilience of the ecosystem
Greater biodiversity creates more stable ecosystems because varied species provide redundancy; if one species declines, others can fill that ecological role.
Greater biodiversity creates more stable ecosystems because varied species provide redundancy; if one species declines, others can fill that ecological role.