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

If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G?

A
T : 20%, G : 20%
B
T : 20%, G : 30%
C
T : 30%, G : 20%
D
T : 30%, G : 30%
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

Refer to the following statements for agarose-gel electrophoresis:

(a) Agarose is a natural polymer obtained from sea-weed.

(b) The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA.

(c) The DNA migrates from negatively-charged electrode to the positively-charged electrode

(d) The DNA migrates from positively-charged electrode to the negatively-charged electrode.

Choose the most appropriate answer from the options given below :

A
(b), (c) and (d) only
B
(a) and (b) only
C
(a), (b) and (c) only
D
(a), (b) and (d) only
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