Through mosaic vision, a cockroach can receive
Several images of an object with less sensitivity but less resolution
Only one image of an object with less sensitivity but less resolution
Several image of an object with less sensitivity but more resolution
Only one image of an object with less sensitivity but more resolution
Only one image of an object with less sensitivity but more resolution
A.
Several images of an object with less sensitivity but less resolution
Eye of cockroach consists of about 2,000 ommatidia, the pigment seperating ommatidia. Each ommatidium forms a complete image of the entire field of vision and all the images together form a continuous through partly overlapping super- position image. These images rae formed in dim light and are not sharp.
Mesorchium in frog in a/an
Opening of conus arteriosus
Peritoneal fold which adheres the testis to the upper part of the kidneys
Part of the hind brain
Tissue by which ovaries are attached to the peritoneal cavity
Tissue by which ovaries are attached to the peritoneal cavity
Role of calciferous glands in the stomach of earthworm is to
Neutralize the humic acid in the humus
Produce HCI
Emulsify fats
Increase the absorptive area
Increase the absorptive area
Tendons, which attach one bone to another bone are made up of
Dense regular connective tissue
Dense irregular connective tissue
Areolar tissue
Adipose tissue
Adipose tissue
Match the following regarding the morphology of cockroach and choose the correct option
| Column I | Column II |
| i. Tergites | A. Forewings |
| ii. Tegmina | B. Upper lip |
| iii. Hypopharynx | C. Dorsal sclerite |
| iv. Labium | D. Tongue |
| v. Labrum | E. Lower lip |
i - D; ii - E; iii - C; iv - B; v - A
i - B; ii - C; iii - E; iv - D; v - A
i - E; ii - A; iii - C; iv - D; v - B
i - C; ii - A; iii - D; iv - E; v - B
i - C; ii - A; iii - D; iv - E; v - B
Which one is a specialized connective tissue among these?
Adipose tissue
Bone
Areolar tissue
Fibroblasts
Fibroblasts
Which among these is not involved in excretion in cockroaches?
Malphigian tubules
Nephrocytes
Urecose glands
Maxillary palps
Maxillary palps
Frogs
are uricotelic
have olfactory lobes in the midbrain
do not have renal portal system
have lymphatic system
have lymphatic system
In the circulatory system of Pheretima, A, B, C and D represents
A - Lateral hearts; B - Sub neural vessel; C - Commissural vessel; D - Lateral oesophageal vessel
A - Lateral hearts; B - Lateral oesophageal vessel; C - Sub- neural vessel; D - Commissural vessel
A - Lateral hearts; B - Commissural vessel; C - Sub- neural vessel; D - Lateral oesophageal vessel
A - Commissural vessels; B - Lateral hearts; C - Lateral oesophageal vessel; D - Sub- neural vessel
A - Commissural vessels; B - Lateral hearts; C - Lateral oesophageal vessel; D - Sub- neural vessel
The structure in earthworm which serves as a wedge to force open cracks in the soil is
Peristomium
Setae
Clitellum
Typhlosole
Typhlosole
