1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following characteristics is incorrect with respect to cockroach?
A
10th abdominal segment in both sexes, bears a pair of anal cerci
B
A ring of gastric caeca is present at the junction of midgut and hind gut
C
Hypopharynx lies within the cavity enclosed by the mouth parts
D
In females, 7th-9th sterna together form a genital pouch
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Dobson units are used to measure thickness of :
A
Troposphere
B
CFCs
C
Stratosphere
D
Ozone
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Veneral diseases can spread through :

(1) Using sterile needles

(2) Transfusion of blood from infected person

(3) Infector mother to foetus

(4) Kissing

(5) Inheritance

Choose the correct answer from the option given below.
A
(1) and (3) only
B
(1), (2), and (3) only
C
(2), (3) and (4) only
D
(2) and (3) only
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which one of the following organisms bears hollow and pneumatic long bones?
A
Ornithorhynchus
B
Neophron
C
Hemidactylus
D
Macropus
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