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NEET Biology 2021 PYQs
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100 questions in NEET 2021
Which one of the following belongs to the family
Muscidae?
A
Fire fly
B
Grasshopper
C
Cockroach
D
House fly
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Match List-I with List-II.
List-I
List-II
(A)Metamerism
(I)Coelenterata
(B)Canal system
(II)Ctenophora
(C)Comb plates
(III)Annelida
(D)Cnidoblast
(IV)Porifera
Choose the correct answer from the options given below:
A
A-IV, B-III, C-I, D-II
B
A-III, B-IV, C-I, D-II
C
A-III, B-IV, C-II, D-I
D
A-IV, B-I, C-II, D-III
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Which one of the following organisms bears hollow
and pneumatic long bones?
A
Neophron
B
Hemidactylus
C
Macropus
D
Ornithorhynchus
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Match List-I with List-II.
List-I
List-II
(A)Physalia
(I)Pearl oyster
(B)Limulus
(II)Portuguese Man of War
(C)Ancylostoma
(III)Living fossil
(D)Pinctada
(IV)Hookworm
Choose the correct answer from the options given below:
A
A-II, B-III, C-I, D-IV
B
A-IV, B-I, C-III, D-II
C
A-II, B-III, C-IV, D-I
D
A-I, B-IV, C-III, D-II
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Read the following statements.
A
C, D and E are correct
B
A, B and C are correct
C
A, D and E are correct
D
B, C and E are correct
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Which of the following characteristics is incorrect
with respect to cockroach?
A
A ring of gastric caeca is present at the junction
of midgut and hind gut.
B
Hypopharynx lies within the cavity enclosed by
the mouth parts.
C
In females, 7th - 9th sterna together form a
genital pouch.
D
10th abdominal segment in both sexes, bears a
pair of anal cerci.
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Which of the following statements wrongly
represents the nature of smooth muscle?
A
These muscle have no striations
B
They are involuntary muscles
C
Communication among the cells is performed
by intercalated discs
D
These muscles are present in the wall of blood
vessels
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The organelles that are included in the endomembrane system are:
A
Endoplasmic reticulum, Mitochondria, Ribosomes
and Lysosomes
B
Endoplasmic reticulum, Golgi complex,
Lysosomes and Vacuoles
C
Golgi complex, Mitochondria, Ribosomes and
Lysosomes
D
Golgi complex, Endoplasmic reticulum,
Mitochondria and Lysosomes
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Identify the incorrect pair.
A
Alkaloids - Codeine
B
Toxin - Abrin
C
Lectins - Concanavalin A
D
Drugs - Ricin
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The fruit fly has 8 chromosomes (2n) in each cell.
During interphase of Mitosis if the number of
chromosomes at G1 phase is 8, what would be the number of chromosomes after S phase?
A
8
B
16
C
4
D
32
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