1
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following is characteristic feature of cockroach regarding sexual dimorphism?

A
Presence of anal styles
B
Presence of sclerites
C
Presence of anal cerci
D
Dark brown body colour and anal cerci
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following statements are correct regarding skeletal muscle?

A. Muscle bundles are held together by collagenous connective tissue layer called fascicle.

B. Sarcoplasmic reticulum of muscle fibre is a store house of calcium ions.

C. Striated appearance of skeletal muscle fibre is due to distribution pattern of actin and myosin proteins.

D. M line is considered as functional unit of contraction called sarcomere.

Choose the most appropriate answer from the options given below:

A
B and C only
B
A, C and D only
C
C and D only
D
A, B and C only
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

The unique mammalian characteristics are :

A
hairs, pinna and mammary glands
B
hairs, pinna and indirect development
C
pinna, monocondylic skull and mammary glands
D
hairs, tympanic membrane and mammary glands
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language

Which one of the following is NOT an advantage of inbreeding?

A
It exposes harmful recessive genes but are eliminated by selection.
B
Elimination of less desirable genes and accumulation of superior genes takes place due to it.
C
It decreases the productivity of inbred population, after continuous inbreeding.
D
It decreases homozygosity.
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