Cockroach - morphology and anatomy — NEET & JEE Questions

Question 1 · difficulty L1 · recall

The body of a cockroach is divided into

• A. head, thorax and abdomen
• B. cephalothorax and abdomen only
• C. head and trunk only
• D. proboscis, collar and trunk

Question 2 · difficulty L2 · understanding

The exoskeleton of a cockroach is composed mainly of

• A. chitin
• B. cellulose
• C. calcium phosphate
• D. keratin

Question 3 · difficulty L2 · understanding

Cockroaches breathe through a system of

• A. tracheae opening through spiracles
• B. lungs
• C. gills
• D. skin only

Question 4 · difficulty L2 · understanding

The excretory organs of a cockroach are

• A. Malpighian tubules
• B. nephridia
• C. flame cells
• D. kidneys

Question 5 · difficulty L3 · understanding

Which of the following is/are present in female cockroach? A. Collateral gland B. Mushroom gland C. Spermatheca D. Anal style E. Phallic gland Choose the most appropriate answer from the options given below:

• A. B and D only
• B. B and E only
• C. A only
• D. A and C only

Question 6 · difficulty L3 · understanding

In both sexes of cockroach, a pair of jointed filamentous structures called anal cerci are present on

• A. $$5^{\text {th }}$$ segment
• B. $$10^{\text {th }}$$ segment
• C. $$8^{\text {th }}$$ and $$9^{\text {th }}$$ segment
• D. $$11^{\text {th }}$$ segment

Question 7 · difficulty L3 · understanding

Match List I with List II related to digestive system of cockroach. List - I List - II A. The structures used for storing of food I. Gizzaard B. Ring of 6-8 blind tubules at junction of foregut and midgut. II. Gastric Caeca C. Ring of 100-150 yellow coloured thin filaments at junction of midgut and hindgut. III. Malpighian tubules D. The structures used for grinding the food. IV. Crop Choose the correct answer from the options given below:

• A. A-IV, B-II, C-III, D-I
• B. A-I, B-II, C-III, D-IV
• C. A-IV, B-III, C-II, D-I
• D. A-III, B-II, C-IV, D-I

Question 8 · difficulty L3 · understanding

The Cockroach is :

• A. Ammonotelic only
• B. Uricotelic only
• C. Ureotelic only
• D. Ureotelic and Uricotelic

Question 9 · difficulty L3 · understanding

Given below are two statements : Statement I : In cockroach, the forewings are transparent and prothoracic in origin. Statement II : In cockroach, the hind wings are opaque, leathery and mesothoracic in origin. In the light of the above statements, choose the correct answer from the options given below :

• A. Statement I is correct but Statement II is false
• B. Statement I is incorrect but Statement II is true
• C. Both Statement I and Statement II are true
• D. Both Statement I and Statement II are false

Question 10 · difficulty L3 · understanding

In cockroach, excretion is brought about by - A. Phallic gland B. Urecose gland C. Nephrocytes D. Fat body E. Collaterial glands Choose the correct answer from the options given below :

• A. A, B and E only
• B. B, C and D only
• C. B and D only
• D. A and E only