Blood Vascular System of Cockroach

Q.

Why is cockroach blood white?

Q. The heart of cockroach lies along mid dorsal line of

1. thorax and abdomen
2. head and abdomen
3. head, thorax and abdomen
4. head and thorax

Q.

Blood from pericardial sinus enters the heart of cockroach through:

1. ostia

2. anterior aorta

3. osculum

4. fenestrae

Q.

Among malpighian tubules, fat bodies, nephrocytes, uricose glands, gastric caecae, trachea, collateral glands, phallic glands, crop and gizzard, how many are concerned with the removal of nitrogenous wastes in the form of uric acid?

Q. The figure shows open circulatory system of cockroach. Identify A, B and C.

1. A-Posterior aorta, B-Alary muscles, C-Chambers of heart
2. A-Anterior aorta, B-Ciliary muscles, C-Chambers of heart
3. A-Posterior aorta, B-Circular muscles, C-Chambers of heart
4. A-Anterior aorta, B-Alary muscles, C-Chambers of heart

Q. Which of the following is incorrect w.r.t. structure/gland of cockroach and its total number in body?

1. Collateral glands in female cockroach–2
2. Malpighian tubules–100–150
3. Spiracles–10
4. Ommatidia in each compound eye 2000

Q. The figure shows open circulatory system of cockroach. Identify A, B and C.

1. A-Posterior aorta, B-Alary muscles, C-Chambers of heart
2. A-Anterior aorta, B-Ciliary muscles, C-Chambers of heart
3. A-Anterior aorta, B-Alary muscles, C-Chambers of heart
4. A-Posterior aorta, B-Circular muscles, C-Chambers of heart

Q.

Read the paragraph and fill the blanks with the correct option sequence:

The blood vascular system of a cockroach is of ___(i)___ type, as blood flows in the body cavities. The generalised body cavity is called ____(ii)____. Blood is colourless due to the absence of ____(iii)____. The heart is ____(iv)____ and works in coordination with alary muscles for contractions and dilations.

1. (i) Open (ii) Haemocoel (iii) Hemoglobin (iv) 12 chambered

2. (i) Open (ii) Haemocoel (iii) Porphyrin (iv) 13 chambered

3. (i) Open (ii) Haemocoel (iii) Hemoglobin (iv) 13 chambered

4. (i) Open (ii) Blastocoel (iii)Hemoglobin (iv) 12 chambered

Q. Which of the following encloses heart in cockroach?

1. Pericardial sinus
2. Perivisceral sinus
3. Perineural sinus
4. None of the above

Q. The circulatory system in cockroach consists of

1. Heart, sinuses and alary muscle
2. Veins, heart and atrium
3. Cardiac muscle, heart, blood vessels
4. Blood vessels, heart, atrium

Q. Open circulatory system is not of physiological hindrance in cockroach because

1. Heart is simple but chambered
2. Blood is colourless
3. Circulatory and respiratory systems are not connected
4. Excretion occurs through malpighian tubules

Q. In cockroach the flow of haemolymph is:

1. Heart $\to$ head haemocoel $\to$ perivisceral sinus $\to$ pericardial sinus $\to$ ostia $\to$ heart
2. Heart $\to$ pericardial sinus $\to$ head haemocoel $\to$ perivisceral sinus $\to$ ostia $\to$ heart
3. Heart $\to$ head haemocoel $\to$ perivisceral sinus $\to$ ostia pericardial sinus $\to$ heart
4. Heart $\to$ ostia $\to$ perivisceral sinus $\to$ pericardial sinus $\to$ head haemocoel $\to$ heart

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

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

Q. The term used to define the condition of blood flowing in body cavities instead of blood vessels, is called _____ type and the generalised body coelom or cavity through which it flows, is called __________.

1. Open $\&$ Paracoel
2. Open $\&$ Haemocoel
3. Closed $\&$ Paracoel
4. Closed $\&$ Haemocoel

Q. Choose the correct answer from the allternatives given.
What type of circulatory system is found in cockroach?

1. Lacunar
2. Closed
3. Peritrophic
4. Penestrated

Q. 13 chambered heart is found in

1. Cockroach
2. Frog
3. Human
4. Fish

Q. Sate whether the following statements are true or false.
The abdomen of cockroach is somewhat flattened and consists of ten segments.

1. True
2. False

Q.

1. A- Gizzard; B- Crop; C- Malpighian tubules; D- Hepatic caecae
2. A- Crop; B- Gizzard; C- Hepatic caecae; D- Malpighian tubules
3. A- Gizzard; B- Crop; C- Hepatic caecae; D- Malpighian tubules
4. A- Crop; B- Gizzard; C- Malpighian tubules; D- Hepatic caecae

Q. Dark colour of breast muscles of birds of flight is due to high concentration of

1. Mitochondria
2. Haemoglobin
3. Myoglobin
4. Both myoglobin and mitochondria

Q. What is the main function of the stomodaeal valve in the gut of cockroach?

Q. What is the name of blood vessel, which arises from first chamber of heart in cockroach?

1. Nephrocyte
2. Fenestrae
3. Anterior aorta
4. Ostia

Q. Which among the following is not the function of blood of the cockroach

1. It brings nitrogenous waster from all parts of the body to the excretory
2. It transports secretions of the ductless glands to the target organs
3. It carriers defensive phagocytes to the places of infection
4. It carries oxygen to all the parts of the body

Q.

Read the paragraph and fill the blanks with the correct option sequence:

The blood vascular system of a cockroach is of ___(i)___ type, as blood flows in the body cavities. The generalised body cavity is called ____(ii)____. Blood is colourless due to the absence of ____(iii)____. The heart is ____(iv)____ and works in coordination with alary muscles for contractions and dilations.

1. (i) Open (ii) Haemocoel (iii) Haemoglobin (iv) 12 chambered

2. (i) Open (ii) Haemocoel (iii) Porphyrin (iv) 13 chambered
3. (i) Open (ii) Blastocoel (iii) Haemoglobin (iv) 12 chambered
4. (i) Open (ii) Haemocoel (iii) Haemoglobin (iv) 13 chambered

Q. Which of the following encloses heart in cockroach?

1. Pericardial sinus
2. Perivisceral sinus
3. Perineural sinus
4. None of the above

Q. Circulatory system of Cockroach is present

1. On dorsal side with 10 abdominal and 3 thoracic units of heart
2. On dorsal side with 13 unit heart in abdomen
3. On ventral, side with 10 abdominal and 3 thoracic units of heart
4. On ventral side With 13 unit heart in abdomen

Q. Function of stomodaeal value in the gut of the cockroach is to prevent the regurgitation of partially digested food from.

1. Mid-gut into hind-gut
2. Mid-gut into crop
3. None of these
4. Preoral cavity

Q. How does circulation in the cockroach? occur? Explain.

Q. Find the odd one out:

1. Malpighian tubules – excretion
2. Vascular system – closed
3. Sense organs – compound eye
4. Respiratory system - trachea

Q. The term used to define the condition of blood flowing in body cavities instead of blood vessels, is called _____ type and the generalised body coelom or cavity through which it flows, is called __________.

1. Open & Haemocoel

2. Open & Paracoel

3. Closed & Paracoel

4. Closed & Haemocoel

Q. Find the odd one out:

1. Malpighian tubules – excretion
2. Vascular system – closed
3. Sense organs – compound eye
4. Respiratory system - trachea