Q. No.In numerical taxonomy:
I. computers are used and all the observable characters are taken into consideration.
II. hundreds of characters can be considered together and each character is given equal importance.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. both I and II are incorrect
I. computers are used and all the observable characters are taken into consideration.
II. hundreds of characters can be considered together and each character is given equal importance.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. both I and II are incorrect
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
1. It is a natural system of classification.
2. It totally disregarded the external characters and did not include them to classify plants.
3. It used internal features like structure, anatomy, embryology and phytochemistry.
4. It was based on natural affinities among the organisms.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| COLUMN I [Classification method] |
COLUMN II [Feature used] |
||
| A. | Artificial | P. | Evolutionary relationships |
| B. | Phylogenetic | Q. | Gross morphological characters |
| C. | Chemotaxonomy | R. | Chemical constituents of plants |
| D. | Cytotaxonomy | S. | Chromosome number, structure and behaviour |
Codes
| A | B | C | D | |
| 1. | P | Q | S | R |
| 2. | Q | P | R | S |
| 3. | R | S | P | Q |
| 4. | S | R | Q | P |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The form and size of algae is highly variable. Which of the following will not be true?
I. Volvox is a colonial alga.
II. Ulothrix and Spirogyra do not form filaments.
III. Kelps form massive plants bodies.
| 1. Only II | 2. Only III |
| 3. Both I and II | 4. Both II and III |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Identify the incorrectly matched pair:
| Alga | Sexual reproduction | |
| I. | Ulothrix | Isogamous; non-flagellated gametes |
| II. | Spirogyra | Isogamous; flagellated gametes |
| III. | Udorina | Anisogamous |
| IV. | Fucus | Oogamous |
| 1. Only III | 2. I, II and III |
| 3. Only I and II | 4. Only III and IV |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
I: Algin is a hydrocolloid derived from brown algae
II: Carrageen is a hydrocolloid derived from green algae
III: Agar is a complex polysaccharide derived from red algae, Gelidium and Gracilaria
1. I is correct; II is incorrect; III is incorrect
2. I is incorrect; II is correct; III is correct
3. I is incorrect; II is correct; III is incorrect
4. I is correct; II is incorrect; III is correct
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Which of the following is not an example of an edible alga?
| 1. Porphyra | 2. Laminaria |
| 3. Sargassum | 4. Amanita |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Statement I: It is single-celled green algae.
Statement II: It is used as a food supplement.
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Statement I and Statement II are correct
4. Statement I and Statement II are incorrect
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
1. The photosynthetic pigments are located within definite chloroplasts.
2. Choloroplast are discoid in shape in all members of Chlorophyceae.
3. Most of the members have one or more storage bodies called pyrenoids, containing proteins besides starch, located in the chloroplasts.
4. Some green algae may store food in the form of oil droplets.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
| COLUMN I | COLUMN II | |
| 1. | Main photosynthetic pigment | Chlorophyll a, b |
| 2. | Cell wall | Inner layer of cellulose and outer layer of pectose |
| 3. | Stored food | Starch |
| 4. | Flagellar number and insertion | 2-8. unequal. basal |
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
© 2024 GoodEd Technologies Pvt. Ltd.