Prepare for NEET Biology Structural Organisation In Animals (Cockroach) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights into the anatomy, respiratory, and reproductive systems of cockroaches.
NEET Questions / Zoology / Structural Organisation In Animals / Cockroach
In cockroaches, the blood vascular system is described as open type. This implies:
Blood does not flow in well-defined blood vessels and bathes the tissues directly.
Blood flows in well-defined blood vessels and exchanges materials through capillaries.
Blood flows in a closed circulatory system with a four-chambered heart.
Blood flows in a closed circulatory system with a three-chambered heart.
Which specific structure in the cockroach's digestive system is responsible for storing food and initiating enzymatic digestion?
Gizzard
Malpighian tubules
Crop
Hepatic caeca
Cockroaches exhibit uricotelism. This means their primary nitrogenous waste product is:
Ammonia
Urea
Uric Acid
Amino acids
The primary function of the collateral glands in a male cockroach is:
Produce sperm
Store sperm
Form the outermost layer of the spermatophore
Nourish the developing sperm
The development of a cockroach is described as 'paurometabolous'. This term signifies:
Complete metamorphosis with distinct larval, pupal, and adult stages.
Gradual metamorphosis with nymph stages resembling the adult.
Direct development without any larval stage.
Development with a parasitic larval stage.
Which of the following structures in a cockroach is NOT directly involved in the process of respiration?
Spiracles
Tracheae
Tracheoles
Hepatic caeca
Which of the following is the excretory organ in cockroaches?
Nephridia
Malpighian tubules
Kidneys
Green glands
Which part of the cockroach's digestive system grinds food?
Crop
Gizzard
Stomach
Intestine
