Bio- Hybridisation and Genetic modification

Hybridisation is the process by which…..

• Hybridisation is the process by which molecules break down into their constituent atoms.
• Hybridisation is the process by which electrons are transferred between atoms.
• Hybridisation is the process by which atoms combine to form molecules.
• two desirable characteristics present in different organisms can be brought together into one organism

What do you think a hybrid of a Lion and Tiger may be called?

• Tigon
• Lionger
• Liger

• Tiglon.

A person ‘R’ plans to make a hybrid of two plant species what conditions must the two plants fulfil to be able to be used in Hybridisation?

• The two plants must be able to grow in the given condition and be healthy.

• The two plants must be from the same family but not closely related

• The two plants must have completely different DNA
• The two plants must be from different continents

Genetic modification is a way of improving _________ by introducing a gene that provides the desired characteristics.

• Animal species

• Trees

• Crops

Three types of Hybridisation are-:

• Intercropping,

  Interbreeding and intergalactic

• Intervarital,Interspecific,intergenes

• None of these

Answer explanation

The correct answer is: INTERVARITAL , INTERSPECIFIC NAD INTERGENES.

How many types of hybridization are there in plants?

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What are the different ways/methods of hybridization ?

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What is the purpose of Crop Variety Improvement?

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Any 3 positive and negative impacts of Genetically modified crops.

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Answer explanation

• +ve : More nutritious food.

• -Increased supply of food with reduced cost and longer shelf life.

• - less use of pesticides

-ve: Biodiversity loss

• -allergic reactions

• - can turn out to be toxic for human body.

Other responses also accepted.

First Hybrid Crop in India was (hint: starts with the letter ‘m’.)

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Answer explanation

Maize