Application in Agriculture

Q.

Main objective of production/use of herbicide resistant GM crops is to

1. eliminate weeds from the field without the use of manual labour
2. eliminate weeds from the field without the use of herbicides
3. encourage eco-friendly herbicides.
4. reduce herbicide accumulation in food articles for health safety

Q. What are the options for increasing food production?

1. agro-chemical based agriculture
2. organic agriculture
3. genetically engineered crop-based agriculture
4. all of the above

Q.

Why should preventive measures and biological control methods be preferred for protecting crops?

Q. What is the most important objective of biotechnology in agriculture section?

1. To produce pest resistant varieties of plant
2. To increase the nitrogen content
3. To decrease the seed number
4. To increase the plant weight

Q.

Biocontrol refers to the biological control of which of these following?

1. Pests
2. Crop quality
3. Weeds
4. Yield

Q. Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin 'A' deficiency

1. golden rice
2. Bt-Brinjal
3. Flavr Savr Tomato
4. Canola

Q.

A plant species which has been exploited for the production of hirudin is

1. Brassica napus

2. Zea mays

3. Solanum nigrum

4. Oryza sativa

Q. What is the difference between being resistance to biotic and abiotic things and having wider adaptability for crops??

Q.

How transformants are selected?

Q. Give any three preventive measures for controlling pests without the use of chemicals / pesticides .

Q. A transgenic food crop, which may help in solving the problem of night blindness in developing countries is

1. Flavr savr tomatoes
2. star-link maize
3. Bt soybean
4. golden rice

Q.

We should always eat polished rice to stay healthy.

1. True

2. False

Q. Blindness can be prevented by use of which crop in poor countries?

1. Gram
2. Golden rice
3. Pea
4. Wheat

Q.

In the following questions, a statement of assertion is followed by a statement of reason. Mark the correct choice as:

Assertion: GM foods are facing widespread resistance by the people.
Reason: GM foods have mutated genes which cause infections and allergies.

1. If both assertion and reason are true and the reason is the correct explanation of assertion.
   

2. If both assertion and reason are true but the reason is not the correct explanation of assertion.
   

3. If the assertion is true but the reason is false.
   

4. If both assertion and reason are false.

Q.

Define crop protection.

Q. Why is it important to improve the production of agriculture and animal husbandry?

1. Carbohydrates

2. Proteins

3. Fats

4. Vitamins

Q.

Which of the following is a possible disadvantage of Genetically Modified plants ?

1. The bacleria in the alimentary canal can become antibiotic resistant.

2. Strengthening of immune system of the body.

3. Increased criminal behavior.

4. Reduction in post - harvest losses.

Q. A: GMO like 'Golden rice' has increased nutrients quality.
R: This variety of basmati rice is rich in vitamin B & C.

Q. Transgenic plants are

1. produced by a somatic embryo in artificial medium
2. generated by introducing foreign DNA into a cell and regenerating a plant from that cell
3. produced after protoplast fusion in artificial medium
4. grown in artificial medium after hybridization in the field

Q. Golden rice is a transgenic crop of the future with the following improved trait

1. High protein content
2. High vitamin A content
3. High lysine (essential amino acid) content
4. Insect resistance

Q. A transgenic food crop, which may help in solving the problem of night blindness in developing countries is

1. Flavr savr tomatoes
2. Starlink maize
3. Bt soyabean
4. Golden rice

Q.

Tomatoes we see today on the shelves of grocery stores are products of

1. Cloning
2. Genetic Engineering
3. Cross pollination and Selective breeding
4. All the above

Q. Which of the following statements is/are true
Statement I: Genetically modified plants are more tolerant to abiotic stress.
Statement II: GM plants enhance nutritional value of food.
Statement III: GM plants products are carcinogenic.

1. Only statement II and III are correct
2. All statements are incorrect
3. Only statement I and III are correct
4. Only statement I and II are correct

Q. The problem of blindness in poor countries can be taken care by using which of the following?

1. Transgenic maize
2. Bt brinjal
3. Golden rice
4. Transgenic tomato

Q. The phenomenon of introducing exogenous DNA into the genome of plant or animal is called _____.

1. Tissue culture
2. Transgenesis
3. Transfection
4. Foreign gene therapy

Q.

Which of the following risks are associated with genetically modified crops?

1. Gene transfer to non-target species

2. Hazardous to the environment

3. Risks to human health

4. Resistance to pests

Q. Main objective of productive/use of herbicide-resistant GM crops is to:

1. eliminate weeds from the field without the use of manual labour
2. eliminate weeds from the field without the use of herbicides
3. encourage ecofriendly herbicides
4. reduce herbicide accumulation in food articles for health safety

Q. Suresh's grandfather read in the newspaper about golden rice, BT cotton and transgenic bananas He asked Suresh to get more information from his teacher about these crops.
What is golden rice and what is its importance?

Q. A man wants to grow a crop with a high yield for which he took the crop seeds to an agricultural scientist. The scientist processed the given crop seeds, gave a plant to man, and asked him to sow them in his field to obtain a high-yielding crop. Identify the method scientist have used here and explain.

Q.

Name two vitamins obtained from fishes. Which part of fish is it obtained from? [2 MARKS]