1
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
2
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
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Excretion in cockroach is performed by all, EXCEPT:

A
Hepatic caeca
B
Urecose glands
C
Malpighian tubules
D
Fat body
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Select the correct statements.

(a) Angiotensin II activates the cortex of adrenal gland to release aldosterone.

(b) Aldosterone leads to increase in blood pressure.

(c) ANF acts as a check on renin-angiotensin mechanism.

(d) ADH causes vasodilation.

(e) Vasopressin is released from adenohypophysis.

Choose the most appropriate answer from the options given below :

A
(a), (b) and (c) only
B
(a), (b) and (e) only
C
(c), (d) and (e) only
D
(b), (c) and (d) only
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12