Structural Organization in Animals Questions and Answers Part-3

1.What is the function of tight junction?
a) Protects from bacterial infection
b) Stop substance leaking across the tissue
c) Both (a) and (b)
d) Elasticity to the tissue

Answer: b
Explanation: Stop substance leaking across the tissue

2. What is the function of Adhering junction?
a) Cementing to keep neighbouring cells together
b) Give rigidity to tissue
c) Stop leaking substance across the tissue
d) All of these

Answer: a
Explanation: Cementing to keep neighbouring cells together

3. Which of the following junctions facilitate the cells to communicate with each other by connecting the cytoplasm of adjoining cells?
a) Tight junction
b) Adhering junction
c) Gap junction
d) Both (b) and (c)

Answer: c
Explanation: Gap junction

4. Big molecules can be transported to the neighbouring cell by which of the following junction?
a) Adhering junction
b) Gap junction
c) Both (a) and (b)
d) Not possible for big molecules

Answer: b
Explanation: Big molecules can be transported to the neighbouring cell by Gap junction

5. Which tissue links and supports other tissues/organs of the body?
a) Epithelial tissue
b) Connective tissue
c) Neural tissue
d) All of these

Answer: b
Explanation: Connective tissue links and supports other tissues/organs of the body.

6. In which of the following connective tissues, the elastin fibres are absent?
a) Bone
b) Cartilage
c) Blood
d) Both (a) and (b)

Answer: c
Explanation: Blood

7. The matrix or ground substance in connective tissues are made up of _________
a) Thick proteins
b) Elastin fibres
c) Modified polysaccharides
d) Modified triglycerides

Answer: c
Explanation: The matrix or ground substance in connective tissues are made up of Modified polysaccharides.

8. Which of the following possess semi-fluid ground substance?
a) Aerolar tissue
b) Adipose tissue
c) Blood
d) Both (a) and (b)

Answer: d
Explanation: Both (a) and (b)

9. Which of the following is not a part of aerolar tissue?
a) Fibroblasts
b) Mast cells
c) Fibro clasts
d) All of these

Answer: c
Explanation: Fibro clasts is not a part of aerolar tissue.

10. Where is the excess unused nutrition stored in our body?
a) Aerolar tissue
b) Adipose tissue
c) Both (a) and (b)
d) Blood

Answer: b
Explanation: Adipose tissue