Question

Difficulty: Very hardInferences and Implicit Meaning

In the early twentieth century, the polymath Jagadish Chandra Bose proposed that electrical signaling mechanisms in plants were fundamentally analogous to nerve conduction in animals, challenging the prevailing physiological paradigm that categorized plant responses as mere slow, mechanical turgor shifts. Bose devised sensitive instruments, such as the crescograph, to measure sub-micrometer growth variations and electrical potential changes in plant tissues subjected to mechanical, chemical, or electrical stimuli. While orthodox Western biophysicists initially rejected his assertions as teleological—attributing animal-like perceptual agency to vegetation—Bose’s measurements were meticulously empirical. Subsequent re-evaluations suggest that the skepticism of his contemporaries stemmed less from flaws in his instrumentation than from a deep-seated ontological commitment: the Cartesian dichotomy separating sensation-capable fauna from passive flora. Consequently, by framing plant excitation through the lens of unified biological responsiveness, Bose was not merely reporting physical data; he was implicitly challenging the rigid taxonomic boundaries that structured Edwardian biophysical discourse.

Which of the following can be inferred from the passage regarding Western biophysicists’ initial response to Bose’s work? Consider each of the choices separately and select all that apply.

  1. Their rejection of Bose’s claims was driven primarily by entrenched conceptual frameworks regarding biological categories rather than by identified flaws in Bose's experimental devices.Answer
  2. B
    They maintained that plant movements were governed exclusively by rapid electrical signaling rather than mechanical turgor shifts.
  3. They interpreted Bose's conceptualization of plant stimulation as implying that plants possessed perceptual qualities akin to animal sensation.Answer

Answer

The correct selections are the statement concerning pre-existing conceptual frameworks about biological categories and the statement concerning the attribution of animal-like perceptual qualities to plants.
The passage implicitly supports two conclusions about Western biophysicists' reaction. First, it asserts that skepticism was rooted in an 'ontological commitment' (the Cartesian dichotomy separating fauna and flora) rather than instrumental flaws, validating the claim that conceptual frameworks drove their rejection. Second, it notes that critics accused Bose of 'attributing animal-like perceptual agency to vegetation,' validating the claim that they interpreted his work as ascribing animal-like perception to plants.

Step-by-Step Solution

1
Analyze the passage for evidence regarding the cause of Western biophysicists' skepticism.
The text notes that skepticism 'stemmed less from flaws in his instrumentation than from a deep-seated ontological commitment: the Cartesian dichotomy separating sensation-capable fauna from passive flora.'
This directly justifies inferring that pre-existing conceptual paradigms, rather than technical apparatus errors, motivated their rejection.
2
Evaluate the option regarding how critics interpreted Bose's work.
The text states critics 'rejected his assertions as teleological—attributing animal-like perceptual agency to vegetation.'
This directly supports the inference that critics saw Bose's ideas as implying animal-like perceptual capabilities in plants.
3
Evaluate the option regarding prevailing views on plant excitation mechanisms.
The text asserts the prevailing paradigm categorized plant responses as 'mere slow, mechanical turgor shifts,' which contradicts the claim that they believed movements were governed by rapid electrical signaling.
This option misreads the passage's description of the established scientific consensus.

Key Concept

Inferences and Implicit Meaning
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