1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

In the enzyme which catalyses the breakdown of:

H2O2 $$\to$$ H2O + O2

the prosthetic group is :

A
Niacin
B
Nicotinamide adenine dinucleotide
C
Haem
D
Zinc
2
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus

Select the incorrect statement with respect to inbreeding of animals.

A
It exposes harmful recessive genes that are eliminated by selection.
B
It is used for evolving pure lines in cattle.
C
It helps in accumulation of superior genes and elimination of less desirable genes.
D
It decreases homozygosity.
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

IUDs are small objects made up of plastic or copper that are inserted in the uterine cavity. Which of the following statements are correct about IUDs ?

(a) IUDs decrease phagocytosis of sperm within the uterus.

(b) The released copper ions suppress the sperm motility.

(c) IUDs do not make the cervix hostile to the sperm.

(d) IUDs suppress the fertilization capacity of sperm.

(e) The IUDs require surgical intervention for their insertion in the uterine cavity.

Choose the most appropriate answer from the options given below:

A
(d) only
B
(a), (d) and (e) only
C
(b) and (c) only
D
(b) and (d) only
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Select the correct statement regarding mutation theory of evolution.

A
Large differences due to mutations arise gradually in a population
B
This theory was proposed by Alfred Wallace
C
Variations are small directional changes
D
Single step large mutation is a cause of speciation
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Graduate Aptitude Test in Engineering
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Class 12