Biotechnology and Its Applications

Q.

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

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

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

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

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

Q. The tissue which protects the entire animal body is called ________.

1. epithelial tissue
2. meristematic tissue
3. parenchyma tissue
4. sclerenchyma tissue

Q. Which among the following epithelial tissue forms the lining of kidney tubules and ducts of salivary glands, where it provides mechanical support?

1. Squamous
2. Columnar
3. Cuboidal
4. Ciliated columnar

Q. Which among the following is the correct similarity between cardiac and skeletal muscles?

1. Both are cylindrical
2. Both are uninucleated
3. Both are spindle shaped
4. Both are involuntary

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

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

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

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

Q. Which among the following statements are correct with respect to smooth muscle?

1. They are spindle shaped
2. They are voluntary
3. Light and dark bands are present
4. They are uninucleated