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Plant Growth Regulators

Match the fol...

Question

Match the following
$\begin{matrix} C o l u m n I & C o l u m n I I A . M i c r o p r o p a g a t i o n & 1. P l a n t s p r o d u c e d t h r o u g h p r o t o p l a s t f u s i o n B . S o m a c l o n e s & 2. P r o d u c t i o n o f p l a n t s t h r o u g h t i s s u e c l u t u r e C . S o m a t i c h y b r i d s & 3. F u s i o n o f i s o l a t e d p r o t o p l a s t s D . S o m a t i c h y b r i d i s a t i o n & 4. P l a n t s i d e n t i c a l t o o r i g i n a l p l a n t s \end{matrix}$

A

A - 2, B - 4, C - 3, D - 1

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B

A - 4, B - 3, C - 2, D - 1

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C

A -1,B - 2, C - 3, D - 4

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D

A - 2, B - 4, C -1, D - 3

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Solution

The correct option is D A - 2, B - 4, C -1, D - 3
The method of producing thousands of plants through tissue culture is called micro-propagation. These plants are genetically identical to original plant and are called somaclones. Isolated protoplasts of different varieties are fused to get hybrid protoplasts which are grown to form new plants, called ‘somatic hybrids’ and this process is called somatic hybridisation .

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Q. Match the following

\begin{matrix} C o l u m n I & C o l u m n I I A . M i c r o p r o p a g a t i o n & 1. P l a n t s p r o d u c e d t h r o u g h p r o t o p l a s t f u s i o n B . S o m a c l o n e s & 2. P r o d u c t i o n o f p l a n t s t h r o u g h t i s s u e c l u t u r e C . S o m a t i c h y b r i d s & 3. F u s i o n o f i s o l a t e d p r o t o p l a s t s D . S o m a t i c h y b r i d i s a t i o n & 4. P l a n t s i d e n t i c a l t o o r i g i n a l p l a n t s \end{matrix}

Q. Match the following

\begin{matrix} C o l u m n I & C o l u m n I I A . M i c r o p r o p a g a t i o n & 1. P l a n t s p r o d u c e d t h r o u g h p r o t o p l a s t f u s i o n B . S o m a c l o n e s & 2. P r o d u c t i o n o f p l a n t s t h r o u g h t i s s u e c l u t u r e C . S o m a t i c h y b r i d s & 3. F u s i o n o f i s o l a t e d p r o t o p l a s t s D . S o m a t i c h y b r i d i s a t i o n & 4. P l a n t s i d e n t i c a l t o o r i g i n a l p l a n t s \end{matrix}

Q. Fusion product of protoplasts of different plants is called

Q. Assertion : A major advantage of tissue culture is protoplast fusion.

Reason : A hybrid is formed by the fusion of
naked protoplasts of two plants.

Q. The technique involving the isolation and fusion of protoplasts and culturing the hybrid protoplast to regenerate the whole plant is known as

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