Biotechnology and Its Applications

Q.

What do you mean by genetic industry?

Q.

Which of the following is not an example of a tissue?

1. Neuron

2. Cardiac muscle tissue

3. Epithelial tissue

4. Muscle

Q.

What are muscular tissues?

Q.

Differentiate the following:

Poultry and Piggery

Q. Crops developed with desired characters by integrating foreign gene with their genome are called:

1. Tissue culture
2. Genetically Modified Crops
3. Animal husbandry
4. Bioremediation

Q. Golden rice is enriched with _________.

1. vitamin E
2. vitamin B
3. vitamin C
4. vitamin A

Q. Enzymatic browning of an apple happens due to the chemical reaction with:

1. Carbon dioxide
2. Nitrogen
3. Water vapour
4. Oxygen

Q.

Which vitamin are found high in broiler?

Q.

Arrange the steps of tissue culture in the correct order.

1. Callus separation

2. Sample collection

3. Plantlet growth

4. Callus Formation

1. 1, 2, 3, 4
2. 4, 1, 3, 2
3. 3, 1, 2, 4
4. 2, 4, 1, 3

Q. Bt-cotton is an example of which crop variety improvement factor?

1. Agronomic character
2. Maturity duration
3. Abiotic resistance
4. Biotic resistance

Q.

The unit by which the yield of a crop is measured.

1. quintal per hectares

2. kg

3. m

4. L

Q. The final stage in tissue culture before new plants are taken out to the fields is called ______.

1. hardening
2. micropropagation
3. embryogenesis
4. caulogenesis

Q.

Which method is commonly used for improving cattle breeds and why?

Q. The genetically modified rice is termed as the _________.

1. Bt rice
2. arctic rice
3. golden rice
4. brown rice

Q. Shelf life of crops refer to:

1. The time till the crops get sold from the market place.
2. The maximum time for which the crops remain fresh.
3. The maximum time for which crops can stay in farms before harvest.
4. The time from cultivation to harvest for a type of crop.

Q.

The epithelium capable of ultrafiltration is

1. Squamous epithelium

2. Cuboidal epithelium

3. Columnar epithelium

4. Compound epithelium

Q.

What are layers and broilers? Explain with examples. (3 Mark)

Q. Put a tick mark against the correct alternative in the following statement:
Identify the indigenous breed of poultry of India

1. White leghorn
2. Aseel
3. B-77
4. HH-260

Q. Silkworms are nurtured on:

1. Wool
2. Mulberry trees
3. Caves
4. Yaks

Q. Insectivorous plants catch and digest insect for

1. Obtaining nitrogen
2. Protecting their fruits
3. Being heterotrophs of consumer level
4. Protecting their leaves

Q. The most abundant tissue in the body is

1. Epithelial
2. Nervous
3. Muscular
4. Vascular

Q.

advantages of poultry farming

Q. Thin squamous epithelial cells arranged in many layers are known as _____ epithelium.

1. squamous
2. stratified squamous
3. cuboidal
4. stratified columnar

Q. Identify the type of epithelium shown in the image.

1. Columnar epithelium
2. Stratified epithelium
3. Cuboidal epithelium
4. Squamous epithelium

Q. Which among the following statements are correct for skeletal muscles?

1. Skeletal muscle cells are uninucleated
2. Skeletal muscle cells are unbranched
3. Skeletal muscle cells are branched
4. Skeletal muscle cells are multinucleated

Q. Golden rice is a promising transgenic crop. When released for cultivation, it will help in

1. Herbicide tolerance
2. Producing a petrol-like fuel fro m rice
3. Alleviation of vitamin A deficie ncy
4. Pest resistance

Q. Choose the correct option for the statements given below.
Statement 1 - Integrated pest management (IPM) utilizes pest control methods that are environment friendly.
Statement 2 - IPM includes commercial preparations of spores from $Bacillus$ $thuringiensis$ to control certain pests.

1. Both statements are correct.
2. Both statements are incorrect.
3. Statement 1 is correct but statement 2 is incorrect.
4. Statement 1 is incorrect but statement 2 is correct.

Q. The columnar epithelial tissue has hair like projections called X. Identify X.

1. Villi
2. Tentacles
3. Cilia
4. Nuclei

Q.

Arrange the steps of tissue culture in the correct order.

1. Callus separation

2. Sample collection

3. Plantlet growth

4. Callus Formation

1. 1, 2, 3, 4
2. 4, 1, 3, 2
3. 2, 4, 1, 3
4. 3, 1, 2, 4

Q. Which among the following is lined with squamous epithelium?

1. Oesophagus
2. Kidney tubules
3. Intestine
4. Salivary gland