Which among the following statement is incorrect with respect to ootheca of cockroach ?

(1) The unfertilised eggs are encased in ootheca.

(2) Each ootheca contains 14-16 eggs on an average.

(3) Ootheca is a dark reddish to blackish brown capsule.

(4) It is about 8 mm long.

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which among the following is incorrect with respect to development in cockroach?

(1) The development is paurometabolous.

(2) Last nymphal stage has proper wings.

(3) Only adult cockroach has proper wings.

(4) Nymph moults about 13 times to reach the adult form.

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

All of the following statements are correct with respect to female cockroach except :

(1) Ovaries lie in III to V abdominal segments.

(2) Each ovary is formed of 8 ovarian tubules.

(3) A chain of developing ova forms ovariole which forms ovary.

(4) Oviducts of each ovary unite into vagina.

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

A, B, C and D in the following respectively are :

(1) Spermatheca, vestibulum, vagina, gonapophyses

(2) Spermatheca, collateral glands, vagina, genital chamber

(3) Vagina, spermatheca, collateral glands, genital chamber

(4) Vestibulum, collateral glands, vagina, genital chamber

Subtopic:  Cockroach: Female Reproductive System (OLD NCERT) |
 81%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which among the following is differentiated into ileum, colon and rectum ?

(1) Caecum

(2) Foregut

(3) Midgut

(4) Hindgut

Subtopic:  Cockroach: Digestive System (OLD NCERT) |
 89%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Complete the following statement:

Heart of cockroach consists of elongated muscular tube lying along _________ of thorax and abdomen.

(1) Ventral line

(2) Mid dorsal line

(3) Lateral line

(4) Mid ventral line

Subtopic:  Cockroach: Circulatory System (OLD NCERT) |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which among the following is not involved in excretion in cockroach ?

(1) Malpighian tubules

(2) Fat bodies

(3) Nephrocytes and urecose glands

(4) Non- ciliated columnar cells of Malpighian tubules

Subtopic:  Cockroach: Excretory System (OLD NCERT) |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Which statement among the following is true with respect to eye of cockroach ?

(1) Compound eyes are situated at the dorsal surface of the head.

(2) Simple eyes are situated at the dorsal surface of the head.

(3) Compound eyes are situated at the ventral surface of the head.

(4) None of these

Subtopic:  Compound & Specialised Epithelium |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

Malpighian tubules in cockroach absorb nitrogenous waste products and convert them into _________ which is excreted out through the ___________.

A and B in above statement respectively are :

(1) Ammonia, hindgut

(2) Ammonia, midgut

(3) Uric acid, midgut

(4) Uric acid, hindgut

Subtopic:  Cockroach: Excretory System (OLD NCERT) |
 86%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh

The location of testes in male reproductive system of cockroach is :

(1) Lateral side in II to VI abdominal segment

(2) Lateral side in IV to VI abdominal segment

(3) Dorsal side in IV to VI abdominal segment

(4) Dorsal side in II to VI abdominal segment

Subtopic:  Cockroach:Male Reproductive System (OLD NCERT) |
 67%
From NCERT
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2021 - Achiever Batch - Aryan Raj Singh