Mastery

Living Creatures: Exploring their Characteristics — Mastery

30 questions 30 min Full-chapter mastery

Q1. When Priya marks a pencil as non-living in Table 10.1, the most chapter-appropriate single reason she can write in Column III is
- A. It does not grow, eat, breathe, respond or reproduce
- B. It is made of wood and graphite
- C. It is shorter than a book
- D. It cannot be sharpened by itself
Q2. Table 10.1 in Activity 10.1 has five columns. After the student fills Column II 'My guess' and Column III 'Reason/Remarks', Columns IV and V are filled
- A. After understanding how to identify a living being, with the correct answer and its reason
- B. Before the discussion, as a homework
- C. Only by the teacher, not the student
- D. Only for plants, not for animals
Q3. Aayush sees a money-plant winding itself around a wooden stick kept near it. Which chapter idea does this best illustrate?
- A. Plants reproduce by winding around objects
- B. Climbers also wind themselves around supports — a form of movement in plants
- C. Plants need wooden support to grow tall
- D. Climbers are non-living
Q4. Ravi argues, 'A car moves on its own, so movement should not be a feature of living beings.' From the chapter's standpoint, the best response is
- A. Agree — movement should be dropped as a feature
- B. Disagree — only living beings can move
- C. Movement is one feature, but living beings show many other characteristics that a car does not — growth, respiration, reproduction, and so on
- D. Cars are alive but very slow
Q5. The chapter asks, 'Can you wear the dress that you used to wear four years ago?' The expected student response and reason are
- A. Yes — clothes do not change with time
- B. Yes — only fabric stretches with time
- C. No — because the body has become larger due to growth
- D. No — because the dress has shrunk over time
Q6. Compare the following claims: I. A car does not grow in size with time. II. A child grows in size with time. III. Growth is therefore a characteristic the chapter uses to separate living from non-living. Which are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three
Q7. The chapter says living beings need food (nutrition) for
- A. Reproduction only
- B. Excretion only
- C. Movement from one place to another only
- D. Their growth and development
Q8. Why does the chapter use Drosera not only as an example of movement in plants but also as a special case of nutrition?
- A. Drosera produces its own animal food
- B. Drosera depends on insects for its nutrition because it is insectivorous
- C. Drosera does not need water
- D. Drosera reproduces by trapping insects
Q9. Which of these conclusions is drawn at the end of the respiration section of the chapter?
- A. Only animals respire; plants do not
- B. Respiration happens only at night
- C. Only plants respire; animals only breathe
- D. All living beings respire
Q10. In animals, urine is named in the chapter as a product of
- A. Nutrition
- B. Reproduction
- C. Excretion
- D. Germination
Q11. After giving examples of thorn, hot cup, chhui-mui and amla, the chapter concludes that
- A. Only animals respond to stimuli
- B. All living beings respond to stimuli
- C. Only plants respond to stimuli
- D. Stimuli are useful only for plants
Q12. When the chapter asks students to list young ones of five different animals such as cats and dogs, it is preparing them to understand
- A. That all animals look exactly like their parents at birth
- B. That only mammals have young ones
- C. That all living beings reproduce — producing new ones of one's own kind
- D. That young ones are smaller versions of non-living objects
Q13. According to the chapter, reproduction is necessary for
- A. Faster growth of an individual
- B. The continuity of life
- C. Excretion of waste
- D. Response to stimuli
Q14. Which of the following is the complete list of common characteristics of living beings as stated in the chapter?
- A. Movement, growth, nutrition, respiration, excretion, response to stimuli, reproduction, eventually die
- B. Only growth, nutrition and reproduction
- C. Only movement and response to stimuli
- D. Movement, taste, smell, sight, hearing, touch, growth, reproduction
Q15. A Class 6 teacher tells the class, 'A thing is non-living if it does not move.' Using the chapter's framework, this single-feature rule is
- A. Correct — movement is the only test
- B. Correct — only movement is observable
- C. Incorrect — absence of any one of the eight characteristics is what indicates non-living; movement alone is not the rule
- D. Incorrect — colour decides whether a thing is non-living
Q16. From which source do seeds in Pot D obtain the air they need for germination?
- A. From the seed coat directly
- B. From the air available in the spaces between soil particles
- C. From the leaves of the seedling
- D. From the water poured into the pot
Q17. Tara wants to sow Calendula seeds in her balcony garden in Lucknow. Based on the 'Do you know?' box of the chapter, the correct sowing advice is
- A. Leave the seeds uncovered in direct sunlight
- B. Cover the seeds with sufficient soil because they need darkness to germinate
- C. Soak the seeds in oil before sowing
- D. Sow the seeds on the surface of cold water
Q18. Table 10.2 of Activity 10.2 has a column titled 'Possible reason for the observation'. Where in the activity does the student fill this column?
- A. Before sowing the seeds
- B. After 7–10 days of observation, when comparing predictions with observations
- C. Only after Pot D shows germination
- D. It is left blank
Q19. In beaker A of Activity 10.3, an upright seedling receives sunlight from all directions. The chapter's expected observation in Table 10.3 is
- A. Shoot grows upward; root grows downward
- B. Shoot grows downward; root grows upward
- C. Both shoot and root grow sideways
- D. Both shoot and root stop growing
Q20. In beaker C of Activity 10.3, the seedling sits inside a cardboard box that allows light to enter through a small hole on the back. The combined observation expected is
- A. The shoot grows downward and the root grows toward the light
- B. The shoot grows toward the light through the hole, and the root continues to grow downward
- C. Both shoot and root grow toward the light
- D. Both shoot and root grow away from the light
Q21. In Fig. 10.4 of the chapter, Stage II in the life cycle of a bean plant is labelled as
- A. Seed germination
- B. Seed
- C. Appearance of leaves
- D. Appearance of flowers
Q22. In the life cycle of a bean plant, the fruit that is shown contains seeds and is technically called
- A. Tuber
- B. Capsule
- C. Berry
- D. Pod
Q23. Consider the following statements from the chapter about a bean plant after the fruits are formed: I. Even after continuous watering, the plant gradually becomes yellow and dry. II. All activities of life come to an end despite the availability of necessary conditions. III. The plant is then considered dead, but new bean plants can grow from the seeds. Which statements are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three
Q24. According to the chapter, the adult mosquito that emerges from the pupa rests briefly on the water surface and may then survive for
- A. 1 to 2 days
- B. 10 to 15 days
- C. About 6 months
- D. More than a year
Q25. Which one of the following is the chapter's exact description of where adult female mosquitoes lay eggs?
- A. Inside the soil far from any water
- B. Directly on or near water
- C. Only on the leaves of plants
- D. Inside the walls of houses
Q26. The chapter's 'Do you know?' box on the silk moth makes which point?
- A. Silk moth has only two life stages — egg and adult
- B. Silk moth fibres are produced by the pupa only after death
- C. Silk moth, like a mosquito, passes through four life stages — egg, larva, pupa and adult
- D. Silk moth is a non-living insect
Q27. In Fig. 10.8 of the chapter, Stage II_B is described as 'Tadpole with legs (8–10 weeks)'. The most important difference between this stage and the early tadpole is that
- A. The tadpole has now lost its tail
- B. The tadpole now lives on land
- C. The tadpole has become an adult frog
- D. The tadpole still has a tail but now has hind legs
Q28. Consider the following statements about the froglet stage of a frog: I. Froglets look like little frogs. II. They still live in water but begin to spend some time on land. III. Their tails are still present and they swim like early tadpoles. Which are correct?
- A. I and II only
- B. II and III only
- C. I and III only
- D. All three
Q29. Comparing the life cycles of a mosquito and a frog as described in the chapter, which difference is correct?
- A. The mosquito has a pupa stage; the frog does not
- B. The frog has a pupa stage; the mosquito does not
- C. Both have egg, larva, pupa and adult stages
- D. Neither has an egg stage
Q30. Charan picks up a wooden log on the path and says, 'This log is living because it was once part of a tree.' Charu replies, 'It is non-living now.' Using the chapter's framework, the better-supported view is
- A. Charan, because anything made of plant matter is living
- B. Charan, because wood feels warm to the touch
- C. Charu, because the log no longer shows any of the eight characteristics — growth, respiration, response and the rest
- D. Neither — the chapter says wood is in a third category

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