NEET (Zoology MCQs)
Categories: OTHERS
Q.1. Which of the following acts as a factor of natural selection in the case of industrial melanism?
(1) Lichens
(2) Moths
(3) Birds
(4) Pollution
Ans. (3) Birds
Q.2. Which part of the body is most likely to be affected in people suffering from rheumatoid arthritis?
(1) Heart
(2) Liver
(3) Kidney
(4) Joints
Ans. (4) Joints
Q.3. Match List-I with List-II and choose the correct option.
|
List-I |
List-II |
|
(A) Sertoli cell |
(I) Testicular hormone |
|
(B) Leyding cell |
(II) External opening of urethra |
|
(C) Epididymis |
(III) Nutrition of germ cells |
|
(D) Bladder opening |
(IV) Male accessory gland |
A B C D
(1) IV II II I
(2) III I IV II
(3) I II III IV
(4) II IV I III
Ans. (2) A B C D
III I IV II
Q.4. Assertion (A): In humans, cortisol suppresses the immune response.
Reason (R): Cortisol has the ability to induce anti-inflammatory response.
(1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
(2) Both Assertion (A) and Reason (R) are true but Reason (R) is not the correct explanation of Assertion (A).
(3) Assertion (A) is true and Reason (R) is false.
(4) Assertion (A) is false and Reason (R) is true.
Ans. (1) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion (A).
Q.5. Which of the following is used to insert desired genes in dicotyledonous plants?
(1) Microinjection
(2) E. coli
(3) Retrovirus
(4) Agrobacterium tumefaciens
Ans. (4) Agrobacterium tumefaciens
Q.6. Which of the following hormones increases the heart beat and force of heart contraction?
(1) Epinephrine
(2) Melatonin
(3) Cortisol
(4) Calcitonin
Ans. (1) Epinephrine
Q.7. Match List-I with List-II and choose the correct option.
|
List-I (Blood Groups) |
List-II (Immunity in Plasma) |
|
(A) A |
(I) anti-B |
|
(B) AB |
(II) anti-A |
|
(C) O |
(III) Nil |
|
(D) B |
(IV) anti-A, B |
A B C D
(1) IV II II I
(2) I III IV II
(3) I II III IV
(4) II IV I III
Ans. (2) A B C D
I III IV II
Q.8. Identify the type of vesicle based on the presence of the given features.
- Presence of theca externa.
- Formation of first polar body.
- Completion of first meiotic division.
Choose the correct option.
(1) Tertiary vesicle
(2) Primordial vesicle
(3) Secondary vesicle
(4) Primary vesicle
Ans. (1) Tertiary vesicle
Q.9. Statement I: Although human heart is auto-excitable, its functions are controlled by both nervous and hormonal regulation mechanisms.
Statement II: Lymph is almost similar to blood except for protein content and organized substances.
(1) Both Statement I and Statement II are correct.
(2) Statement I is correct but Statement II is incorrect.
(3) Statement I is incorrect but Statement II is correct.
(4) Both Statement I and Statement II are incorrect.
Ans. (1) Both Statement I and Statement II are correct.
Q.10. What do doctors usually use to induce labor when required?
(1) Progesterone injection
(2) Estrogen injection
(3) Oxytocin injection
(4) Testosterone injection
Ans. (3) Oxytocin injection