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Which of the following is not the basis for sub-classification in plants?

Which of the following is not the basis for sub-classification in plants? Correct Answer Structure of branches

Plants are sub-classified based on their well-differentiable structure, presence of vascular tissues, presence of seeds, seed coat i.e. if the seeds are naked or covered.

Related Questions

Consider the following statements and choose the correct answer:
1. Intense or strong light retards the growth of shoot
2. Shade plants are shorter and stockier than sun plants
3. Shade plants have dense covering of hairs while sun plants are less hairy
4. The stems of shade plants are taIler and more branched than that of sun plants
Consider the following statements and choose the correct answer:
1. The C4 plants can absorb CO2 even from a much low CO2 concentration when the C3 plants fail to avail it
2. The C4 plants require less energy to fix CO2 as compared to C3 plants
3. C4 plants are better adapted to tropical and desert areas where sunlight is more intense and the growing season is longer
4. Maize is a C4 plant
Plants have been used as healers and health rejuvenators since times immemorial. More than half the drugs under clinical use owe their origin to plants. The Glossary of Indian Medicinal Plants lists 3000 plants. Which part of the plants is used most for medicinal properties ? 
S1:Palaeobotany is the study of fossil plants preserved in rocks dating back in millions of years.
P :Records of the history of the world are contained in fossils.
Q :Through the ages, plants have evolved from simple to more complex forms.
R :First there were water plants then land plants appeared during the Paleozoic era.
S :But since the fossil remains appear locked in rock layers, they are closely related to the geologist area of investigation.
S6:The fossil plants indicate the age of the rock, and also point to facts regarding climate, temperature and topography.

The Proper sequence should be:
Which of the following statements are correct?
1. FUnction is the basis of departmentalisation.
2. Product is one of the basis of departmentalisation.
3. Territory is the basis of deparmentation.
4. Authority is the basis of departmentation.
The intake pipes of nuclear plants and water plants along Great lakes are clogged by a certain variety of mussels that proved to be causing nuisance to the working systems. But it is found that the bags of these calms when suspended in the effluent streams of chemical plants, not only improves quality of water significantly but also remove some hazardous wastes from effluents just by feeding voraciously on the algae that they filter from water that passes by it. Which one of the inferences given below, if true, is most strongly supported on the basis of information given in the above paragraph?
In a laboratory test run, the rate of drying was found to be 0.5 × 10-3 kg/m2.s, when the moisture content reduced from 0.4 to 0.1 on dry basis. The critical moisture content of the material is 0.08 on a dry basis. A tray dryer is used to dry 100 kg (dry basis) of the same material under identical conditions. The surface area of the material is 0.04 m2/kg of dry solid. The time required (in seconds) to reduce the moisture content of the solids from 0.3 to 0.2 (dry basis) is
In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion/conclusions logically follows/follow the given statements. Statements : Some flowers are plants. All plants are trees. Some tree are roses. Conclusions : I. Some roses are plants. II. Some trees are plants. III. Some trees are flowers.
In Mendel’s experiments on garden pea plants, he performed a dihybrid cross of round yellow and green wrinkled seed plants. In the F2 generation, he sampled 1600 plants. Which of the following represents the correct number of plants of each phenotype?
Consider the following statements and choose the correct answer:
1. The effects of biotic factors include interactions amongst plants growing in a community, between plants and animals including man and between plants and soil-microorganisms
2. In a densly populated area, one of the most important types of biotic factors influencing vegetation is due to man's multifarious activities - this is noted in farming operations
3. Change or destruction of vegetation by fire is a direct biotic effect due to man's activities
4. In many cases different plant groups, plants and bacteria live in mutual benefit - this is called symbiosis in which each partner derives some benefit from the other