Among the terms listed below, those that are not technically correct names for a floral whorl are

(i) androecium     

(ii) carpel

(iii) corolla           

(iv) sepal

1. (i) and (iv)     

2. (iii) and (iv)       

3. (ii) and (iv)   

4. (i) and (ii)

 

(c) All the four whorls of the plant with their relative position in flower can be indicated through following diagram.

Sepals collectively form a whorl, called as calyx while technically the carpel is known as gynoecium. The floral whorls formed by petals and stamens are called as corolla and androecium respectively.

Page 73, XI NCERT