Select correct combination of the statements regarding
the taxonomical aids.
A. Herbaria serve as quick referral systems in
    taxonomical studies.
B. Keys are generally analytical in nature.
C. Manuals provide the index to the plant species
    found in a particular area.
D. Museums have collections of preserved animal
    specimens only, for study and reference.

1. A, B, C

2. B, D

3. A, B

4. A, C

Subtopic:  Taxonomical Aids: Part 1 (OLD NCERT) | Taxonomical Aids: Part 2 (OLD NCERT) | Taxonomical Aids (OLD NCERT) |
 51%
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What is incorrect statements-

1. Organisms that can respond to stimuli are with a well developed nervous system..

2. Generally growth and reproduction are mutually exclusive events in higher organism.

3. Mules and sterile worker bees do not reproduce.

4. Metabolic reactions may take place in isolated cell-free systems

Subtopic:  Introduction & Growth as Criterion for Being Living (OLD NCERT) | Reproduction as Criterion for Being Living (OLD NCERT) | Metabolism and Consciousness as Criterion for Being Living (OLD NCERT) |
 64%
From NCERT
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Mark the incorrect one (with respect to taxonomic key)

1. Based on contrasting characters

2. Generally analytical in nature

3. Each statement is called couplet 

4. used for identification of plants or animals

 

Subtopic:  Taxonomical Aids: Part 1 (OLD NCERT) |
 71%
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Living organisms exhibit distinctive characteristics to differentiate from non-living objects. Which one of the following statements can be considered as defining property of living things?

1 Increase in body mass as a criterion for growth

2 Reproduction is synonymous with growth in unicellular organisms

3 Ability of living organisms to sense their surroundings

4 Metabolic sections that can be demonstrated outside the body in cell-free system only

 

Subtopic:  Metabolism and Consciousness as Criterion for Being Living (OLD NCERT) |
 78%
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Biologists have established certain procedures and techniques to store and preserve the information as well as specimens. Amongst these which one has collection of both preserved plant and animal specimens?

 1 Zoological parks

2 Herbarium

3 Museum

4 Botanical gardens

Subtopic:  Taxonomical Aids (OLD NCERT) |
 83%
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Mark the correct statements with respect to living organisms 

1 Growth and cellular organisation are considered as defining properties of living organisms

2 Reproduction can be all inclusive defining characteristic of living organisms

3 Living organisms are self replicating, self regulating and evolving interesting systems

4 isolated metabolic reactions in vitro are living things

Subtopic:  Metabolism and Consciousness as Criterion for Being Living (OLD NCERT) |
 70%
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Choose the wrong statements with respect to distinguishing characteristics of living beings

1 In majority of higher, the growth and reproduction are mutually exclusive events

2 Degrowth will occur when catabolism exceeds anabolism

3 Isolated metabolic relations in-vitro are neither living things nor living reactions

4 Growth cannot be taken as a defining property of living organisms if we take increase in body mass as a criterion on growth

 

Subtopic:  Metabolism and Consciousness as Criterion for Being Living (OLD NCERT) |
 61%
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Select incorrect statements with respect to living beings

1 Growth cannot be taken as a defining property of living organisms

2 Growth can be easily observed in vitro culture

3 Metabolic reactions cannot be demonstrated outside the body in cell-free system

4 All organisms, from the prokaryotes to the most complex eukaryotes can sense and respond to environmental cues

 

Subtopic:  Metabolism and Consciousness as Criterion for Being Living (OLD NCERT) |
 79%
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An attribute found in plants but not animals is

(1) Metabolism

(2) Sexual reproduction

(3) Autotrophy

(4) Asexual reproduction

Subtopic:  Reproduction as Criterion for Being Living (OLD NCERT) |
 80%
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Find out the wrong statement out-
a. Increase in mass and increase in number of individuals are twin characteristics of growth.
b. Growth, reproduction and ability to respond are the only unique features of living organisms.
c. a and b both
d. Metabolism, ability to self-replicate and self-organise are the unique features of living organisms.

Subtopic:  Introduction & Growth as Criterion for Being Living (OLD NCERT) | Reproduction as Criterion for Being Living (OLD NCERT) |
 69%
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