Given below are two statements : One labelled as Assertion A and the other labelled as Reason R:
Assertion A : The first stage of gametophyte in the life cycle of moss is protonema stage.
Reason R : Protonema develops directly from spores produced in capsule.
In the light of the above statements, choose the most appropriate answer from options given below:
In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as
Given below are two statements :
Statement I : Endarch and exarch are the terms often used for describing the position of secondary xylem in the plant body.
Statement II : Exarch condition is the most common feature of the root system.
In the light of the above statements, choose the correct answer from the options given below:
Match List I with List II:
| List I | List II | ||
|---|---|---|---|
| (A) | M Phase | (I) | Proteins are synthesized |
| (B) | G$$_2$$ Phase | (II) | Inactive phase |
| (C) | Quiescent stage | (III) | Interval between mitosis and initiation of DNA replication |
| (D) | G$$_1$$ Phase | (IV) | Equational division |
Choose the correct answer from the options given below :