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Who out of the following was of the strong opinion that acquired characteristics are inherited

SELECT MULTIPLE OPTION

A
Lamarck

B
Lysenko

C
Mendel

D
Huxley

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[A] The characters acquired by an individual through use and disuse of organs and through environmental influences are transmitted by heredity to the next generation.
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252 known that not only the duration of light period but that the duration of dark period is also of equal importance. Hence, it can be said that fowering in certain plants depends not only on a combination of light and dark exposures but also their relative durations. This response of plants to periods of day/night is termed photoperiodism. It is also interesting to note that while shoot apices modify themselves into flowering apices prior to flowering, they (i.e. shoot apices of plants) by themselves cannot percieve photoperiods. The site of perception of light/dark duration are the leaves. responsible for flowering. This hormonal substance migrates from leaves to shoot apices for inducing fowering only when the plants are exposed to the necessary inductive photoperiod. 15.6 Vernalisation eqtly deuelopment There are plants for which flowering is elther quantatatively or qualitatively dependent on exposure to low temperature. This phenomenon is termed vernalisation. It prevents precocious reproductive development late in the growing season, and enables the plant to have sufficient time to reach maturity. Vernalisation refers specially to the promotion of flowering by a period of low temperature. Some important food plants, wheat, barley, an a ryc have two kinds of varieties: winter and spring varieties. The 'spring C to varicty are normally planted in the spring and come to flower and produce prain before the end of the growing season. Winter varieties, however, if within a span of a flowering season. Hence, they are planted in autumn. They germinate, and over winter come out as small seedlings, resume growth in the spring. and are harvested usually around mid-summer. Another example of vernalisation is seen in biennial plants. Biennials are monocarpic plants that normally flower and die in the second season. Sugerbeet, cabbages, carrots are some of the common biennials. Subjecting the growing of a biennial plant to a cold treatment stimulates a subsequent photoperiodic flowering response. SuMMARY Growth is one of the most conspicuous events in any living organism. It is an irreversible increase expressed in parameters such as size, area, length, height. volume, cell number etc. It conspicuously involves increased protoplasmic material. In plants. meristems are the sites of growth. Root and shoot apical meristems sometimes alongwith intercalary meristem, contribute to the elongation growth of
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Question Text
Who out of the following was of the strong opinion that acquired characteristics are inherited
TopicEvolution
SubjectBiology
ClassClass 12
Answer TypeText solution:1
Upvotes125