Step 1: Understanding the Concept:
The question asks for the name of the pre-reproductive stage in a plant's life cycle.
Step 2: Detailed Explanation:
The life cycle of a plant is typically divided into two main stages:
\[\begin{array}{rl} \bullet & \text{Juvenile phase (or Vegetative phase): This is the initial period of growth after germination, during which the plant is physiologically immature and cannot reproduce sexually (i.e., it cannot produce flowers and fruits). Its energy is focused on developing roots, stems, and leaves. } \\ \bullet & \text{Reproductive phase (or Adult/Mature phase): After the juvenile phase, the plant becomes capable of sexual reproduction. This phase is often marked by the onset of flowering. The flowering phase is part of the broader reproductive phase. } \\ \end{array}\]
The "precocious phase" is not a standard term; "precocious" means developing unusually early, which is an exception, not the rule.
The question describes the stage before the plant can reproduce, which is the juvenile phase.
Step 3: Final Answer:
The stage of growth before a plant can reproduce sexually is known as the Juvenile phase.
Match the LIST-I (Spectroscopy) with LIST-II (Application)
LIST-I | LIST-II |
---|---|
A. Visible light spectroscopy | III. Identification on the basis of color |
B. Fluorescence spectroscopy | IV. Identification on the basis of fluorophore present |
C. FTIR spectroscopy | I. Identification on the basis of absorption in infrared region |
D. Mass Spectroscopy | II. Identification on the basis of m/z ion |
Match the LIST-I with LIST-II
LIST-I | LIST-II |
---|---|
A. Forensic Psychiatry | III. Behavioural pattern of criminal |
B. Forensic Engineering | IV. Origin of metallic fracture |
C. Forensic Odontology | I. Bite marks analysis |
D. Computer Forensics | II. Information derived from digital devices |
Match the LIST-I with LIST-II
LIST-I | LIST-II |
---|---|
A. Calvin Goddard | II. Forensic Ballistics |
B. Karl Landsteiner | III. Blood Grouping |
C. Albert Osborn | IV. Document examination |
D. Mathieu Orfila | I. Forensic Toxicology |
Match the LIST-I (Evidence, etc.) with LIST-II (Example, Construction etc.)
LIST-I | LIST-II |
---|---|
A. Biological evidence | IV. Blood |
B. Latent print evidence | III. Fingerprints |
C. Trace evidence | II. Soil |
D. Digital evidence | I. Cell phone records |
Match the LIST-I with LIST-II
LIST-I | LIST-II |
---|---|
A. Ridges | III. The raised portion of the friction skin of the fingers |
B. Type Lines | I. Two most inner ridges which start parallel, diverge and surround or tend to surround the pattern area |
C. Delta | IV. The ridge characteristics nearest to the point of divergence of type lines |
D. Enclosure | II. A single ridge bifurcates and reunites to enclose some space |