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Consider the following statements (A to ...

Consider the following statements (A to C) each with one or two blanks
Statements
(A) The capacity to generated a whole plant from any cell/explant is called___ (i)___.
(B) Transfer of resistance genes is achieved by ____(ii)____ between the target and the source plant followed by ____(iii)_____
(C ) The rice vaireties IR8 were developed in ____(iv)____.

A

(i) cell growth
(ii) Mutation
(iii) Selection

B

(ii) Sexual hybridisation
(iii) Selection
(iv) India

C

i) totipotency ii) sexual hybridisation iii) Selection (iv) Phillippines

D

(iv) India
(i) Totipotency
(ii) Somatic hybridisation

Text Solution

AI Generated Solution

The correct Answer is:
Let's solve the question step by step. ### Step 1: Analyze Statement (A) The first statement is: "The capacity to generate a whole plant from any cell/explant is called ___ (i) ___." - The process of generating a whole plant from a single cell or explant is known as **totipotency**. This term refers to the ability of a single cell to divide and produce all the differentiated cells in an organism, including the ability to regenerate a complete plant. **Answer for (i):** Totipotency ### Step 2: Analyze Statement (B) The second statement is: "Transfer of resistance genes is achieved by ___ (ii) ___ between the target and the source plant followed by ___ (iii) ___." - The transfer of resistance genes typically occurs through a process called **sexual hybridization**. This involves crossing two different plant varieties to combine desirable traits. - After hybridization, the next step is **selection**. This means identifying and selecting the offspring that carry the desired resistance genes. **Answer for (ii):** Sexual hybridization **Answer for (iii):** Selection ### Step 3: Analyze Statement (C) The third statement is: "The rice varieties IR8 were developed in ___ (iv) ___." - The rice variety IR8, known for its semi-dwarf characteristics and high yield, was developed by the **International Rice Research Institute (IRRI)**, which is located in the **Philippines**. **Answer for (iv):** Philippines ### Final Answers - (i) Totipotency - (ii) Sexual hybridization - (iii) Selection - (iv) Philippines ### Summary of the Completed Statements (A) The capacity to generate a whole plant from any cell/explant is called **totipotency**. (B) Transfer of resistance genes is achieved by **sexual hybridization** between the target and the source plant followed by **selection**. (C) The rice varieties IR8 were developed in **Philippines**.
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