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

Once the undigested and unabsorbed substances enter the caecum, their backflow is prevented by

A
Ileo-caecal valve
B
Gastro-oesophageal sphincter
C
Pyloric sphincter
D
Sphincter of Oddi
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?

A
Serum and Urine analysis
B
Polymerase Chain Reaction (PCR) technique
C
Enzyme Linked Immuno-Sorbent Assay (ELISA) technique
D
Recombinant DNA Technology
3
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements :

Statement I : Low temperature preserves the enzyme in a temporarily inactive state whereas high temperature destroys enzymatic activity because proteins are denatured by heat.

Statement II : When the inhibitor closely resembles the substrate in its molecular structure and inhibits the activity of the enzyme, it is known as competitive inhibitor.

In the light of the above statements, choose the correct answer from the options given below:

A
Both Statement I and Statement II are false.
B
Statement I is true but Statement II is false.
C
Statement I is false but Statement II is true.
D
Both Statement I and Statement II are true.
4
NEET 2023
MCQ (Single Correct Answer)
+4
-1
Change Language

Match List I with List II.

List I
(Type of Joint)
List II
(Found between)
(A) Cartilaginous Joint (I) Between flat skull bones
(B) Ball and Socket Joint (II) Between adjacent vertebrae in vertebral column
(C) Fibrous Joint (III) Between carpal and metacarpal of thumb
(D) Saddle joint (IV) Between Humerus and Pectoral girdle

Choose the correct answer from the options given below:

A
A-II, B-IV, C-I, D-III
B
A-I, B-IV, C-III, D-II
C
A-II, B-IV, C-III, D-I
D
A-III, B-I, C-II, D-IV
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12