Start learning →

Olympiad (Class 6) Plants and Animals — practice questions — page 2

Explore 57 free Plants and Animals questions in Olympiad (Class 6) General Knowledge. Open each question or exercise to read its content, reference answers and available explanation.

Practise Plants and Animals with Quill →

Plants and Animals questions and exercises with answers

Showing questions 31–57 of 57.

Why do Venus flytraps trap and digest small animals?Read the answer and worked solution →A strangler fig starts life on a tree. What eventually happens to its host?Read the answer and worked solution →About what percent of today's atmosphere is oxygen, thanks to photosynthesis?Read the answer and worked solution →Why must animals eat other organisms for food?Read the answer and worked solution →Cells of which organism are held in place by cell walls?Read the answer and worked solution →Of an animal's two kinds of sex cells, which is larger and non-motile?Read the answer and worked solution →By which asexual method does Hydra produce new individuals?Read the answer and worked solution →Female aphids lay fertile eggs without mating. What is this process called?Read the answer and worked solution →Which kind of consumer eats both plants and animals?Read the answer and worked solution →In grass, grasshopper, frog and snake, what is the grasshopper?Read the answer and worked solution →Which process is the ultimate energy source for nearly all ecosystems?Read the answer and worked solution →A lion gets plant-made nutrients indirectly by eating which animals?Read the answer and worked solution →In which habitat did animals first originate?Read the answer and worked solution →A mammal getting at least 90 percent of its forage from grass is called what?Read the answer and worked solution →A moose feeds mostly on tree leaves and twigs. This feeding is called what?Read the answer and worked solution →Spines on a cactus are which kind of plant defence?Read the answer and worked solution →Caffeine, nicotine and morphine made by plants belong to which group?Read the answer and worked solution →Cyanogens in some plants release which poison when the plant is damaged?Read the answer and worked solution →Which is a biotic factor affecting plant growth?Read the answer and worked solution →In which plants does the gametophyte form most of the visible plant?Read the answer and worked solution →Which of these is a carnivorous plant?Read the answer and worked solution →What do prey animals often evolve to avoid being eaten?Read the answer and worked solution →Which substances help some plants survive frost?Read the answer and worked solution →Match each floral whorl with its botanical designation:Read the answer and worked solution →Match each animal classification with its vertebrate feature:Read the answer and worked solution →Match each specialized plant adaptation with its habitat type:Read the answer and worked solution →Match each invertebrate phylum with its representative creature:Read the answer and worked solution →

Worked practice questions

Why do Venus flytraps trap and digest small animals?

  1. To get sunlight
  2. To make chlorophyll
  3. To get extra water
  4. To get minerals
Show answer and solution

Correct answer: D. To get minerals

Carnivorous plants grow where soil minerals are scarce and digest prey for nitrogen and phosphorus.

Open this question →

A strangler fig starts life on a tree. What eventually happens to its host?

  1. It grows taller
  2. It gets more light
  3. It is pollinated
  4. It is killed
Show answer and solution

Correct answer: D. It is killed

The fig begins as an epiphyte, then sets its own roots and overpowers the host tree.

Open this question →

About what percent of today's atmosphere is oxygen, thanks to photosynthesis?

  1. 21 percent
  2. 5 percent
  3. 50 percent
  4. 78 percent
Show answer and solution

Correct answer: A. 21 percent

Photosynthesis raised the oxygen content of the early atmosphere to about 21 percent today.

Open this question →

How to practise

  1. Choose a Plants and Animals question and try to work out your answer.
  2. Open the question to check the correct answer and read its worked solution.
  3. Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.

Put it into practice

Continue with Plants and Animals practice for Olympiad (Class 6). Read explanations as you go. No signup form needed to start.

Practise Plants and Animals →

More General Knowledge topics

Language and LiteratureSportsEarth and its environmentUniverseIndia and the WorldMedia and entertainmentScience and Technology in IndiaCurrent Affairs