Q. No.Which of the following does not help in excretion in Periplaneta Americana?
1. Fat body
2. Urecose glands
3. Nephrocytes
4. None of these
Excretion in cockroach takes place by
(1) nephridium
(2) parotid gland
(3) coxal glands
(4) malphighian tubules
Reason (R) These canals are the part of frog’s reproduction system and connect to the cloaca of frog.
1. Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3. Assertion is true, but Reason is false
4. Both Assertion and Reason are false
The body cells in cockroaches discharge the nitrogenous waste in the hemolymph mainly in the form of?
1. Ammonia
2. Potassium urate
3. Urea
4. Calcium carbonate
Mark the incorrect statement regarding the Malpighian tubule in cockroach:
1. It is present at the junction of the midgut and hindgut.
2. It is lined by glandular and ciliated cells.
3. It absorbs uric acid from the hemolymph.
4. It is about 100-150 in number and is a thin yellow filamentous tubule.
Which of the following is correct with respect to cockroach?
a. Internally mesenteron is lined with cuticle
b. In abdomen eight pair of spiracles are present
c. All sperms of seminal vesicle are glued together into spermatophore
d. Malphigian tubules are present at the junction of midgut and hindgut
1. a, b & c
2. a & b
3. b & d
4. b, c & d
Mark the Incorrect statement
(1) Malpighian tubules of cockroach help in excretion
(2) Fat bodies of cockroach do not help in excretion
(3) Nephrocytes help in excretion
(4) Cockroach has 13 chambered tubular and dorsal heart
1. Uricose glands
2. Malpighian tubules
3. Fat body
4. Hepatic caeca
| Column-I | Column-II | ||
| a. | Crop | (i) | Removal of excretory products |
| b. | Hepatic caeca | (ii) | Storage of food |
| c. | Gizzard | (iii) | Secrete digestive juice |
| d. | Malpighian tubules | (iv) | Grinding of food particles |
1. a(ii), b(iii), c(iv), d(i)
2. a(iii), b(ii), c(iv), d(i)
3. a(ii), b(iii), c(i), d(iv)
4. a(iv), b(i), c(ii), d(iii)
| 1. | Malpighian tubules convert nitrogenous wastes into urea |
| 2. | Males bear short and styles not present in females |
| 3. | Nervous system comprises a dorsal nerve cord and ten pairs of ganglion |
| 4. | The fore wings are tegmina which are used in flight |
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