Alimentary Canal of Cockroach

Q.

Which is the smallest size mycoplasma in the world

Q. Cockroach has a stomodeal valve between

1. crop and gizzard
2. gizzard and mesentron
3. mesenteron and ileum
4. ileum and colon

Q. The largest part of the alimentary canal in cockroach is:

1. Rectum
2. Gizzard
3. Ileum
4. Crop

Q.

Number of alary muscles in Cockroach is

1. 7

2. 9

3. 12

4. 13

Q.

Can baking soda kill cockroaches?

Q. Which of the following organs secrete digestive juices in cockroach?

1. Gizzard
2. Hepatic caeca
3. Malpighian tubules
4. Crop

Q. Which among the following is divided into ileum, colon and rectum?

1. Midgut
2. Hindgut
3. Foregut
4. Mesentron

Q. Find the correct order of the parts of alimentary canal in cockroach:

1. Mouth – Oesophagus- Pharynx – Gizzard
2. Pharynx – Gizzard – Crop – Malpighian tubules
3. Pharynx – Gizzard – Crop – Oesophagus – Malpighian tubules
4. Mouth – Pharynx – Crop – Gizzard

Q. The anatomical and physiological adaptations seen in a cockroach which help it digest non-biological matter as well, are _____.

1. Crop, Pharynx, Hepatic caeca.

2. Bigger Labium, Hypopharynx, Strong enzymes.

3. Mandibles, Proventricular teeth, Symbiotic bacteria and Protozoa.

4. Longer Foregut, Midgut with Malpighian tubules, Broader Hindgut.

Q.

Which of the following is a component of the respiratory membrane?

1. Fused basal laminae of the alveolar and the capillary endothelial cell

2. All of the above are members of the respiratory membrane

3. Plasma membrane of the alveolar cell

4. Plasma membrane of the capillary endothelial cell

Q. Which of the following is correctly stated as it happens in the common cockroach?

1. Malpighian tubules are excretory organs projecting out from the colon
2. Oxygen is transported by hemoglobin in blood
3. Nitrogenous excretory product is urea
4. The food is ground by mandibles and gizzard

Q.

Draw a labelled diagram of alimentary canal of a cockroach.

Q.

Does a tree have a cell wall?

Q. The cross section of the body of an invertebrate is given below. Identify the animal which has this body plan.

1. Earthworm.
2. Cockroach
3. Planaria
4. Round worm

Q. Which of the following character is found only in mammals?

1. A pair of lungs.
2. Diaphragm between thorax and abdomen.
3. Four chambered heart.
4. Foetal membranes.

Q. Coanocite cells, scleroblast cell are which cell ?

Q.

Which organism has conglobate glands in the reproductive system?

Q. Explain the digestive system in cockroach.

Q.

Hardened exoskeletal plates of cockroach are called:

1. podomeres

2. sclerites

3. tegmina

4. tagmata

Q. Arrange the given parts of a cockroach's digestive system into the correct sequence.

1. Crop
2. Gizzard
3. Pharynx
4. Malpighian tubes
5. Hepatic caecae

Q. Number of spiracles found in Cockroach are

1. 5 thoracic, 3 abdominal
2. 3 thoracic, 5 abdominal
3. 8 thoracic, 2 abdominal
4. 2 thoracic, 8 abdominal

Q. Number of spiracles in Cockroach is

1. 12 pairs
2. 6 pairs
3. 8 pairs
4. 10 pairs

Q. What is haemocoel?

Q. In Cockroach, glands present between 5th and 6th abdominal segments are

1. Blood
2. Pharyngeal
3. Salivary
4. Stink

Q. Read the following statements about cockroach
(i) In male cockroach, a characteristic mushroom shaped gland is present in the 6th and 7th abdominal segments which junctions as an accessory reproductive gland.
(ii) Cockroach is uricotelic
(iii) The fat body and uricose glands are glandular in function
(iv) Blood from sinuses enter heart through ostia and is pumped anteriorly to sinuses again
Which of the above statements are correct?

1. (i), (ii) and (iv)
2. (i) and (iv)
3. (ii) and (iii)
4. (ii) and (iv)

Q. ............ heart of cockroach chamber is without ostia

1. Last thoracic
2. 1st prothoracic
3. First abdominal
4. Last abdominal

Q. Describe the digestive system of cockroach.

Q. Correct statement about circulatory system of cockroach is

1. It has 13-chambered heart with a pair of ostia in each chamber
2. It has a complicated type of circulatory system
3. In has closed type of circulatory system
4. It takes place without participation of tissues

Q. The haemolymph (blood) of cockroach ___________________.

1. Is composed of colourless plasma and numerous types of haemocytes
2. Is homologous to the blood of vertebrates
3. Both (a) and (b)
4. Lacks plasma

Q.

The digestive system of a cockroach is associated with symbiotic _____ $\&$ _____.

1. Bacteria $\&$ Protozoa

2. Bacteria $\&$ Mites

3. Protozoa $\&$ Fungi

4. Fungi $\&$ Virus