🧬
NEET Zoology PYQs
Class XI & Class XII
•
NCERT Based
•
Instant Feedback
🧬 Zoology
📘 Class XI & XII
🤖 AI Explanations
This page score:
0 /40
407 questions in Zoology
Match List I with List II:
List-I
List-II
A.
Non-medicated IUD
I.
Multiload 375
B.
Copper releasing IUD
II.
Progestogens
C.
Hormone releasing IUD
III.
Lippes loop
D.
Implants
IV.
LNG-20
Choose the correct answer form the options given
below:
A
A-IV, B-I, C-II, D-III
B
A-III, B-I, C-IV, D-II
C
A-III, B-I, C-II, D-IV
D
A-I, B-III, C-IV, D-II
Show explanation
Explanation: NCERT Page No.59, (Topic-4.2 POPULATION EXPLOSION AND BIRTH CONTROL)
Given below are two statements:Statement I: The presence or absence of hymen is not a reliable indicator of virginity.Statement II: The hymen is torn during the first coitus only.
A
Statement I is true but Statement II is false
B
Statement I is false but Statement II is true
C
Both Statement I and Statement II are true
D
Both Statement I and Statement II are false
Show explanation
Explanation: NCERT Page No.30, (Topic-2.2 THE FEMALE REPRODUCTIVE SYSTEM)
Mad cow disease is caused by
A
Prions
B
Viroids
C
Aspergillus sp.
D
Mycoplasma sp.
Show explanation
Mad cow disease (Bovine Spongiform Encephalopathy) is caused by infectious protein particles called prions. They do not contain nucleic acids and induce abnormal folding of normal proteins.
In water, frogs respire using ________.
A
skin
B
buccal cavity
C
lungs
D
trachea
Show explanation
During aquatic life frogs mainly perform cutaneous respiration through their moist skin.
Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?
A
Femur-tibia-patella-tarsal
B
Patella-femur-tibia-tarsal
C
Femur-patella-tibia-tarsal
D
Femur-tarsal-patella-tibia
Show explanation
The lower limb consists of femur, patella, tibia-fibula and then the tarsal bones of the foot.
Match List-I with List-II.
List-I
List-II
A. Starch
I. Fights infection
B. Antibody
II. Energy storage
C. Concanavalin A
IV. Lectin
D. Glut-4
III. Glucose transport
Choose the correct answer from the options given below:
A
A-I, B-II, C-III, D-IV
B
A-II, B-I, C-IV, D-III
C
A-II, B-I, C-III, D-IV
D
A-I, B-II, C-IV, D-III
Show explanation
Starch is an energy storage polysaccharide, antibodies fight infection, Concanavalin A is a lectin, and GLUT-4 transports glucose.
Given below are two statements:
A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
Show explanation
Adult echinoderms are radially symmetrical, whereas larvae are bilaterally symmetrical.
Endomembrane system includes _______.
A
endoplasmic reticulum, Golgi complex, lysosomes and vacuole
B
endoplasmic reticulum, chloroplast, peroxisomes and vacuole
C
mitochondria, chloroplast, peroxisomes and vacuole
D
Golgi complex, chloroplast, peroxisomes and vacuole
Show explanation
The endomembrane system comprises the endoplasmic reticulum, Golgi apparatus, lysosomes and vacuoles.
The number of action potentials generated by sino-arterial node (SAN) in a healthy human is _______ per minute.
A
28 – 30
B
70 – 75
C
100 – 110
D
120 – 140
Show explanation
The sinoatrial (SA) node normally generates 70–75 action potentials per minute and acts as the natural pacemaker of the human heart.
Which of the following statements is incorrect?
A
Blood coagulates in response to an injury
B
Blood clot consists of fibrins
C
Fibrin is produced from fibrinogen
D
Fibrinogen is produced from fibrin
Show explanation
Fibrin is formed from fibrinogen during blood clotting, not the other way around.
