Explore topic-wise MCQs in Biology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

How many ovarioles are present in a female cockroach?

A. 16
B. 8
C. 10
D. 6
Answer» B. 8
2.

Which of these is an external organ in male cockroach?

A. Gonopore
B. Ejaculatory duct
C. Phallomere
D. Seminal vesicle
Answer» D. Seminal vesicle
3.

Cockroaches are ________

A. hermaphrodite
B. monoecious
C. dioecious
D. bisexual
Answer» D. bisexual
4.

Which of these is not a sense organ in cockroach?

A. Maxillary palps
B. Labial palps
C. Anal cerci
D. Ostia
Answer» E.
5.

The compound eyes of cockroach are situated dorsally. True or False?

A. True
B. False
Answer» B. False
6.

For how long will a cockroach survive if its head is cut off?

A. One day
B. Two weeks
C. One week
D. Two days
Answer» D. Two days
7.

How many ganglia lie in the thorax and abdomen respectively in cockroach?

A. 3, 6
B. 6, 3
C. 2, 4
D. 4, 2
Answer» B. 6, 3
8.

Which of these structures do not help in excretion in cockroaches?

A. Ostia
B. Fat body
C. Nephrocytes
D. Uricose gland
Answer» B. Fat body
9.

Cockroaches are _________

A. ammonotelic
B. ureotelic
C. uricotelic
D. annelids
Answer» D. annelids
10.

Which of these statements is true about the respiratory system of cockroach?

A. Exchange of gases takes place through active transport
B. Sphincters are present at the openings of spiracles
C. There are 8 pairs of spiracles
D. Spiracles are absent on the lateral sides of the body
Answer» C. There are 8 pairs of spiracles
11.

Which of these structures is involved in blood circulation in cockroach?

A. Ostia
B. Malpighian tubules
C. Ommatidia
D. Phallomere
Answer» B. Malpighian tubules
12.

Which of these characteristics is true about the vascular system of cockroach?

A. Closed type
B. Red hemolymph
C. Poorly developed blood vessels
D. Haemocoel does not contain visceral organs
Answer» D. Haemocoel does not contain visceral organs
13.

Which of these is not a division of hindgut in cockroach?

A. Ileum
B. Colon
C. Duodenum
D. Rectum
Answer» D. Rectum
14.

What is the function of Malpighian tubules in cockroach?

A. Locomotion
B. Circulation
C. Digestion
D. Excretion
Answer» E.