BIOLOGY THE LIVING WORLD -

Biology - The living world

This topic explains the NCERT concept of living organisms based on characteristics like growth, metabolism, reproduction, and responsiveness.
All MCQs below are strictly NCERT-based and test conceptual understanding of life processes.

1 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Emergent properties arise due to:

1. Individual molecules

2. Individual cells

3. DNA alone

4. Interactions among components

2 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Self-consciousness is observed in:

1. All animals

2. Plants

3. Microorganisms

4. Humans only

3 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which factor influences reproduction in seasonal breeders?

1. Temperature only

2. Rainfall only

3. Photoperiod

4. Wind speed

4 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which organisms can sense and respond to environmental stimuli?

1. Only animals

2. Only plants

3. Only humans

4. All living organisms

5 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Why is cellular organization essential for life?

1. It enables growth

2. It enables reproduction

3. It enables consciousness

4. It integrates metabolic reactions

6 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Cell-free metabolic reactions are considered:

1. Living reactions but not living things

2. Living organisms

3. Non-living reactions

4. Artificial systems

7 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following is common to all living organisms without exception?

1. Growth

2. Reproduction

3. Metabolism

4. Consciousness

8 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

In unicellular organisms, reproduction is equivalent to:

1. Metabolism

2. Growth

3. Differentiation

4. Fragmentation

9 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which mode of reproduction results in rapid spread of fungi?

1. Asexual spore formation

2. Binary fission

3. Budding

4. Regeneration

10 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following shows true regeneration?

1. Hydra

2. Yeast

3. Planaria

4. Moss

11 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

In animals, growth generally occurs:

1. Throughout life

2. Only during reproduction

3. Up to a certain age

4. Only during embryonic stage

12 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which tissue continues cell division throughout life in plants?

1. Permanent tissue

2. Meristematic tissue

3. Vascular tissue

4. Ground tissue

13 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which statement correctly differentiates growth in living and non-living objects?

1. Living growth is external

2. Non-living growth is internal

3. Living growth is internal, non-living is external

4. Both grow internally

14 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Growth in non-living objects occurs due to:

1. Accumulation of material on surface

2. Cell division

3. Metabolic reactions

4. Regeneration

15 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following is the MOST COMPLEX characteristic of life?

1. Growth

2. Reproduction

3. Metabolism

4. Response to stimuli

16 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Why reproduction is not a defining feature of life?

1. It occurs in non-living objects

2. Some living organisms do not reproduce

3. It is artificial

4. It occurs only in plants

17 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which statement is CORRECT?

1. All living organisms reproduce

2. All growing objects are living

3. Cellular organization defines life

4. Consciousness is universal

18 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Fragmentation occurs in:

1. Fungi

2. Filamentous algae

3. Protonema of moss

4. All of the above

19 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which characteristic is ABSENT in non-living objects?

1. Growth

2. Increase in mass

3. Accumulation

4. Metabolism

20 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Budding is seen in:

1. Planaria

2. Yeast and Hydra

3. Bacteria

4. Moss

21 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which process occurs only in living organisms and not in non-living ones?

1. Metabolic reactions

2. Surface growth

3. Crystallization

4. Sedimentation

22 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which feature links all living organisms — past, present and future?

1. Consciousness

2. Cellular organization

3. Metabolism

4. Common genetic material

23 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Living organisms are best described as:

1. Static systems

2. Self-regulating interactive systems

3. Closed systems

4. Non-responsive systems

24 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which is NOT an emergent property?

1. Molecular structure

2. Tissue function

3. Organ function

4. Cellular metabolism

25 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Emergent properties arise due to:

1. Individual molecules

2. Individual cells

3. Interaction among components

4. DNA alone

26 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Patients in coma are difficult to classify as living because they lack:

1. Metabolism

2. Growth

3. Consciousness

4. Cellular organization

27 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which factor affects reproduction in seasonal breeders?

1. Light duration

2. Gravity

3. Wind

4. Altitude

28 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which organism shows self-consciousness?

1. Humans

2. All animals

3. Plants

4. Microorganisms

29 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Ability to sense environment and respond is present in:

1. Only animals

2. All living organisms

3. Only humans

4. Only plants

30 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which feature finally defines life forms according to NCERT?

1. Growth

2. Reproduction

3. Metabolism

4. Cellular organization

31 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Metabolic reactions performed in a test tube are considered:

1. Living organisms

2. Non-living reactions

3. Living reactions but not living things

4. Artificial life

32 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Why is metabolism considered a defining feature of life?

1. Only plants show it

2. Non-living objects do not show it

3. It occurs only inside cells

4. It requires oxygen

33 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following best defines metabolism?

1. Energy release

2. Only anabolic reactions

3. Chemical reactions inside cells

4. Only catabolic reactions

34 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which process in Planaria leads to formation of a new organism?

1. Regeneration

2. Budding

3. Fragmentation

4. Binary fission

35 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following organisms does NOT reproduce naturally?

1. Hydra

2. Yeast

3. Mule

4. Planaria

36 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which statement is TRUE regarding unicellular organisms?

1. Growth and reproduction are different

2. Reproduction is absent

3. Growth is synonymous with reproduction

4. They do not show metabolism

37 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Growth in plants differs from animals because plants show growth:

1. Only till adulthood

2. Only during reproduction

3. Only in reproductive organs

4. Continuously throughout life

38 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Increase in body mass in living organisms occurs by which process?

1. Surface accumulation

2. Crystallization

3. Cell division

4. Sedimentation

39 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following is NOT a defining property of living organisms?

1. Growth

2. Reproduction

3. Metabolism

4. Cellular organization

40 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which of the following does NOT exhibit reproduction but is living?

1. Bacteria

2. Hydra

3. Sterile worker bee

4. Yeast

41 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Growth pattern in plants and animals differs mainly because plants show growth:

1. Only during reproduction

2. Only during reproduction

3. Only up to maturity

4. Throughout their entire life span

42 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which statement best explains why growth cannot be used as a defining feature of life?

1. All living organisms grow

2. Growth occurs only in plants

3. Growth stops after reproduction

4. Non-living objects also increase in size

43 / 43

Category: Biology - The living World

Tags: What is living ,NCERT ,MCQS,NEET

1 points

Which statement regarding metabolism is TRUE?

1. Only animals show metabolism

2. Metabolism occurs only inside organs

3. All living organisms show metabolism

4. Metabolism can be seen in non-living objects

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