Malpighian tubules in cockroach are present at the junction of ___A_____   and ____B______  and are ____C______  in number. Choose the option that correctly fills the blanks.
       (A)         (B)           (C)
1. Foregut    Midgut    6-8
2. Midgut    Hindgut   100-150
3. Foregut   Midgut    100-150
4. Foregut    Hindgut    6-8

Subtopic:  Cockroach: Digestive System | Cockroach: Excretory System |
 88%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

In female Periplaneta, genital pouch is formed by
1. 7th , 8th and 9th sternum
2. 9th , 10th terga and 9th sternum
3. 7th, 8th terga and 9th sternum
4. 9th, 10th sterna and 9th tergum
Subtopic:  Cockroach: Intro & External Morphology |
 76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

Match each item in Column I with one in Column II and select the correct match from the codes given:
Column I Column II
A. Copulatory pad in male frog P. Present on 1st digit of forelimbs
B. In hibernation, frog respires Q. Present on 1st digit of hind limbs
C. Optic lobes in a frog are a part of R. Through skin
D. Bidder’s canal S. Through lungs
T. Fore brain
U. Mid brain
W. Present in female frog’s kidney for the passage of ova
X. Present in male frog’s kidney for the passage of sperms

Codes: 
A B C D
1. P R X W
2. P R U X
3. R P T X
4. Q S T W
Subtopic:  Frogs |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Identify the incorrectly matched pair regarding Periplaneta americana:
1. Tegmina Metathorax
2. Labrum Upper lip
3. Anal styles Absent in females
4. Development Paurometabolous
Subtopic:  Cockroach: Intro & External Morphology | Cockroach: Structure of Thorax | Cockroach:Male Reproductive System |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

In smooth muscles:
1. striated fibres are bundled together in a parallel fashion
2. intercalated discs at some fusion points allow the cells to contract as a unit
3. fibres taper at both ends and do not show striations
4. cell junctions are absent

 
Subtopic:  Cardiac Muscle & Smooth Muscle |
 80%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The type of connective tissue shown in the given diagram is:

I. called as the dense regular connective tissue
II.  seen in tendons and ligaments
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect

 
Subtopic:  Connective Tissue |
 82%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

Match column-I with column-II with respect to Periplaneta and select the correct option 
Column-I Column-II
a. Crop (i) Removal of excretory products
b. Hepatic caeca (ii) Storage of food 
c. Gizzard (iii) Secrete digestive juice
d.  Malpighian tubules (iv) Grinding of food particles 

1. a(ii), b(iii), c(iv), d(i)
2. a(iii), b(ii), c(iv), d(i)
3. a(ii), b(iii), c(i), d(iv)
4. a(iv), b(i), c(ii), d(iii)
Subtopic:  Cockroach: Digestive System | Cockroach: Excretory System |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following is one of the paths followed by air/O2 during respiration in an adult male Periplaneta americana as it enters the animal body?
1. Spiracle in metathorax, trachea, tracheoles, oxygen diffuses into cells
2. Mouth, bronchial tube, trachea, oxygen enters cells
3. Spiracles in prothorax, tracheoles, and trachea oxygen diffuses into cells
4. Hypopharynx, mouth, pharynx, trachea, tissues
Subtopic:  Cockroach: Respiratory System |
 64%
From NCERT
NEET - 2013
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Regarding frogs:
Statement I: They have the ability to change the colour to hide them from their enemies (camouflage).
Statement II: They undergo summer sleep called as hibernation as well as winter sleep called as aestivation.
1. Only Statement II is correct
2. Only Statement I is correct
3. Both Statement I and Statement II are incorrect.
4. Both Statement I and Statement II are correct.
 
Subtopic:  Frogs |
 76%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Identify the incorrect statement regarding Rana tigrina:
1. Forebrain includes olfactory lobes.
2. Midbrain includes optic lobes.
3. Hindbrain consists of cerebellum and medulla oblongata.
4. There are twelve pairs of cranial nerves.
 
Subtopic:  Frogs: Anatomy (Nervous System) |
 81%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.