Q. No.Goblet cells of alimentary canal are modified from:
1.
Columnar epithelial cells
2.
Chondrocytes
3.
Compound epithelial cells
4.
Squamous epithelial cells
If the head of the cockroach is removed, it may live for a few days because:
| 1. | The cockroach does not have a nervous system |
| 2. | The head holds a small proportion of the nervous system while the rest is situated along the ventral part of its body |
| 3. | The head holds 1/3rd of the nervous system while the rest is situated along the dorsal part of its body |
| 4. | The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen |
Cuboidal epithelium with brush border of microvilli is found in :
1. Ducts of salivary glands
2. Proximal convoluted tubule of nephron
3. Eustachian tube
4. Lining of intestine
The most abundant type of loose connective tissue is
1. Areolar tissue
2. Cartilage
3. Tendon
4. Bone
Match the column I and column II with respect to types of epithelial tissue and their function.
| Column I | Column II | ||
| a. | Glandular epithelium | (i) | Secretes hormones and milk |
| b. | Squamous | (ii) | Forms a diffusion epithelium boundary |
| c. | Columnar epithelium | (iii) | Helps in secretion and absorption |
| d. | Ciliated epithelium | (iv) | Responsible for movement of ova and mucus |
Choose the correct option.
1. a(i), b(ii), c(iii), d(iv)
2. a(ii), b(iii), c(iv), d(i)
3. a(iii), b(iv), c(i), d(ii)
4. a(iv), b(i), c(ii), d(iii)
Brain of cockroach supplies nerves to
1. Antennae
2. Compound eyes
3. Anal cerci
4. Both(1) & (2)
Haemolymph in cockroach is devoid of
1. Plasma
2. Haemocytes
3. Amino acids
4. Respiratory pigment
The heart receives blood from the sinuses through
1. Haemocoel
2. Alary muscles
3. Ostia
4. Aorta
Alary muscles play an important role in
1. Circulation of blood
2. Respiration
3. Body movement
4. Peristalsis
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