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#2 | Classification System: II
(Botany) > Plant Kingdom

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Related Practice Questions :

Identify the incorrect statement:

1. Numerical Taxonomy is based on all observable characteristics.
2. More weightage is given to reproductive characters and all other characters are given equal importance in numerical taxonomy.
3. Cytotaxonomy is based on cytological information like chromosome number, structure, behaviour
4. Chemotaxonomy uses the chemical constituents of the plant
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Consider the following adaptations seen in plants:

I. Lack of cuticle

II. Presence of stomata for exchange of gases

III. Evolution of leaf

IV. Dominance of sporophyte

V. Structural support of vascular tissue

Which of the above adaptations would be required in a plant if it has to be successfully adapted to life on land?

1. All but I

2. All but I and III

3. I, II, III and IV

4. All

 51%
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Chromatophores take part in

(1) photosynthesis

(2) growth

(3) movement

(4) respiration

 77%
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The main reason of failure of artificial classification was

(1) It considered only vegetative characters

(2) It gave more weightage to vegetative characters

(3) It gave more weightage to reproductive characters

(4) It gave equal weightage to both vegetative and reproductive characters

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Why are reproductive characters given more weightage during advanced classification?

(1) Vegetative characters are more or less constant over the generation

(2) Reproductive characters are less constant over the generation

(3) Vegetative characters are easy to get affected by environment

(4) Reproductive characters are more or less constant over the generation

 74%
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