1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following statements wrongly represents the nature of smooth muscle?
A
These muscles are present in the wall of blood vessels
B
These muscle have no striations
C
They are involuntary muscles
D
Communication among the cells is performed by intercalated discs
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following characteristics is incorrect with respect to cockroach?
A
10th abdominal segment in both sexes, bears a pair of anal cerci
B
A ring of gastric caeca is present at the junction of midgut and hind gut
C
Hypopharynx lies within the cavity enclosed by the mouth parts
D
In females, 7th-9th sterna together form a genital pouch
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Identify the types of cell junctions that help to stop the leakage of the substances across a tissue and facilitation of communication with neighbouring cells via rapid transfer of ions and molecules.
A
Adhering junctions and Gap junctions, respectively
B
Gap junctions and Adhering junctions, respectively
C
Tight junctions and Gap junctions, respectively
D
Adhering junctions and Tight junctions respectively
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Following are the statements about prostomium of earthworm.

(1) It serves as a covering for mouth.

(2) It helps to open cracks in the soil into which it can crawl.

(3) It is one of the sensory structures.

(4) It is the first body segment.

Choose the correct answer from the options given below.
A
(2) and (3) are correct
B
(1), (2) and (3) are correct
C
(1), (2) and (4) are correct
D
(1), (2), (3) and (4) are correct
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