Explore topic-wise MCQs in NEET.

This section includes 14620 Mcqs, each offering curated multiple-choice questions to sharpen your NEET knowledge and support exam preparation. Choose a topic below to get started.

13851.

Shortest phase in the menstruation cycle of women is:

A. Menses
B. Luteal phase
C. Ovulatory phase
D. Follicular phase
Answer» D. Follicular phase
13852.

In the given columns, column-I contain structure; of female reproductive system and column-I contain its feature. Select the correct match - from the option given below. Column-I (Structures of female reproductive system) Column-II (Features) A. Ampulla I. It undergoes cyclical changes during menstrual cycle. B. Labia majora II. It helps in collection of ovum after ovulation. C. Oviduct III. Wider part of fallopian tube where fusion of male and female gametes takes place. D. Fimbriae IV. Larger hairy folds which extend down from the mons pubis and surrounds the vaginal opening. E. Endometrium V. Also called fallopian tubes, which extend from the periphery of each ovary to the womb.

A. A-I; B-II; C-III; D-V; E-IV
B. A-III; B-I; C-II; D-V; E-IV
C. A-III; B-IV; C-V; D-II; E-I
D. A-II; B-IV; C-III; D-V; E-I
Answer» D. A-II; B-IV; C-III; D-V; E-I
13853.

Read the following statements (i) to (v) and answer the question. (i) Each testis has highly coiled 250 compartments called seminiferous tubules. (ii) Erection of the penis occurs due to presence of special tissues that facilitate insemination. (iii) Immunologically competent cells are also present in the interstitial spaces of seminiferous tubules. (iv) Testes lie outside the abdominal cavity in a thin pouch like skin called scrotum. (v) Bulbourethral gland is a single accessory gland. How many of the above statements are incorrect?

A. (i), (ii) and (iii)
B. (iii) and (v)
C. (i) and (v)
D. (ii), (iv) and (v)
Answer» D. (ii), (iv) and (v)
13854.

The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure 1, 2, 3 and 4.

A. 1 - Head: Its anterior portion is covered by a structure filled with enzymes that help in the fusion of male and female gametes.
B. 2 - Middle piece: It contains a haploid nucleus.
C. 3 - Neck: It possesses few ribosomes which produces energy for the process of fertilisation.
D. 4 - Tail: It releases energy source for swimming of sperm.
Answer» C. 3 - Neck: It possesses few ribosomes which produces energy for the process of fertilisation.
13855.

Which of the following statements regarding sertoli cell is correct?

A. It is found in seminiferous tubule and secrete testosterone hormone.
B. It is a place where spermatozoa is concentrated and stored until ejaculation.
C. It secretes spermatozoa activating substances like fructose, citrate, inositol, prostaglandin and protein.
D. It is found in seminiferous tubule and function as nurse cells for differentiating spermatozoa.
Answer» E.
13856.

In the given columns, column-I contain structures of male reproductive system and I column-II contains its feature. Select the correct match from the options given below. Column-I (Structure of male reproductive system) Column-II (features) A. Seminiferous tubule I. Network of seminiferous tubule B. Rete testis II. Secondary sexual characters C. Leydig cells III. Meiosis and sperm formation occurs D. Prepuce IV. Place of implantation E. V. Terminal skin of penis

A. A-I; B-II; C-III; D-V
B. A-III; B-I; C-II; D-V
C. A- III; B-1; C-IV; D-II
D. A-II; B-IV; C-III; D-V
Answer» C. A- III; B-1; C-IV; D-II
13857.

The given figure shows the male reproductive system. Some structures are marked as 1, 2, 3, and 4. Identify the structure whose removal will cause the sperm to be reacted with acidic urine in the urethra.

A. 1
B. 2
C. 3
D. 4
Answer» E.
13858.

Sperms produce an enzymatic substance for dissolving egg coverings. It is called

A. Hyaluronic acid
B. Hyaluronidase
C. Androgamone
D. Diastase
Answer» C. Androgamone
13859.

Which of the following is a transporting tube leading from the bladder which brings urine outside the body via penis?

A. Ureter
B. Epididymis
C. Ejaculatory duct
D. Urethral meatus
Answer» E.
13860.

The drug "Heroin" is obtained from the plant of which of the following family?

A. Leguminosae
B. Papaveraceae
C. Liliaceae
D. Solanaeae
Answer» C. Liliaceae
13861.

Use of anti-histamines and steroids give a quick relief from:

A. Headache
B. Allergy
C. Nausea
D. Cough
Answer» C. Nausea
13862.

Atropine, an alkaloid, is obtained from:

A. Datura stramonium
B. Atropa belladonna
C. Hyoscyamus niger
D. Withania somnifera
Answer» C. Hyoscyamus niger
13863.

A person, showing unpredictable moods, outbursts of emotion, quarrelsome behaviour and conflicts with other, is suffering from:

A. Borderline personality disorder (BPD)
B. Mood disorders
C. Addictive disorders
D. Schizophrenia
Answer» B. Mood disorders
13864.

Ergot, a drug is derived from fungus:

A. Aspergillus
B. Phytophthora
C. Claviceps
D. Peronospora
Answer» D. Peronospora
13865.

Which one of the following statements is correct about T-lymphocytes in mammals?

A. These are produced in thyroid.
B. There are three main types - cytotoxic T-cells, helper T-cells and suppressor T-cells.
C. These are originated in lymphoid tissues.
D. They scavenge damaged cells and cellular debris.
Answer» D. They scavenge damaged cells and cellular debris.
13866.

For which of the following disease, there is preventive vaccine?

A. AIDS
B. Hepatitis B
C. Syphilis
D. Gonorrhoea
Answer» C. Syphilis
13867.

Vaccines are:-

A. Treated bacteria or viruses or one of their proteins.
B. MHC (major histocompatibility complex) proteins.
C. Curative medicines.
D. Monoclonal antibodies.
Answer» B. MHC (major histocompatibility complex) proteins.
13868.

The drug "Belladona" is obtained from:

A. Rauwolfia
B. Atropa
C. Capsicum
D. Solarium
Answer» C. Capsicum
13869.

Reserpine alkaloid is a drug extracted from the roots of:

A. Ferula foetida
B. Digitalis purpurea
C. Rauwolfia serpentine
D. Atropa belladonna
Answer» D. Atropa belladonna
13870.

LSD is obtained from:

A. Cannabis sativa
B. Erythroxylon coca
C. Claviceps purpurea
D. Papaver somniferum
Answer» D. Papaver somniferum
13871.

?Western blot test? is done for the confirmation of:

A. Filaria
B. AIDS
C. Anaemia
D. Malaria
Answer» C. Anaemia
13872.

Which of the following is used in the treatment of thyroid cancer?

A. \[{{I}_{131}}\]
B. \[{{U}_{258}}\]
C. \[R{{a}_{224}}\]
D. \[{{C}_{14}}\]
Answer» B. \[{{U}_{258}}\]
13873.

Radiotherapy is used for:

A. Detecting bone fracture.
B. Detecting cardiac trouble.
C. Getting whole body's photograph.
D. Treating cancer by controlled exposure of X-rays.
Answer» E.
13874.

Cirrhosis of the liver is caused by:

A. Cocaine
B. LSD
C. Alcohol
D. Morphine
Answer» D. Morphine
13875.

Damage to thymus in a child may lead to:

A. A reduction in haemoglobin content of blood.
B. A reduction in stem cell production.
C. Loss of antibody mediated immunity.
D. Loss of cell mediated immunity.
Answer» E.
13876.

The disease marasmus in children is caused due to the deficiency of:

A. Carbohydrates
B. Proteins
C. Fats
D. All of these
Answer» E.
13877.

There is a patient having a disease in which a semisolid material oozes out and forms a tough membrane over it in air passage. The disease is:

A. Diphtheria
B. Pertussis
C. Tetanus
D. TB
Answer» B. Pertussis
13878.

The diseases mumps, cholera and TB are the type of____.

A. Bacterial diseases
B. Endemic diseases
C. Viral diseases
D. Communicable diseases
Answer» E.
13879.

Which of the following diseases is not transmitted by houseflies?

A. Typhoid
B. Yellow fever
C. Dysentery
D. Cholera
Answer» C. Dysentery
13880.

Parkinson's disease is caused due to deficiency of:

A. GABA
B. Endorphins
C. Dopamine
D. Acetylcholine
Answer» D. Acetylcholine
13881.

The infective stage of Entamoeba histolytica is:

A. Binucleate form
B. Tetranucleate form
C. Minuta form
D. Sporozoite stage
Answer» C. Minuta form
13882.

Amoebiasis is caused by:

A. Plasmodium vivax
B. Entamoeba gingivalis
C. Trypanosoma gambiense
D. Entamoeba histolytica
Answer» E.
13883.

All allergens are non-infectious foreign substances that:

A. Increase the secretion of IgA
B. Increase the secretion of IgE
C. Increase the secretion of IgG
D. Increase the secretion of IgM
Answer» E.
13884.

Types of antibodies involved in asthma are:

A. IgA
B. IgM
C. IgE
D. IgD
Answer» D. IgD
13885.

The class of antibodies which appear first after the infection, is:

A. IgG
B. IgM
C. IgA
D. IgD
Answer» C. IgA
13886.

What is released in body during disease which results in fever?

A. Pyrogens
B. Antibodies
C. Interferons
D. Interleukins
Answer» B. Antibodies
13887.

The antibody dependent cytotoxicity is seen in:

A. Local anaphylaxis
B. Generalise anaphylaxis
C. Immune complex reaction
D. Non-compatable-blood transfusion
Answer» E.
13888.

A person is injected with globulin against hepatitis. This is:

A. Naturally acquired active immunity
B. Naturally acquired passive immunity
C. Artificially acquired active immunity
D. Artificially acquired passive immunity
Answer» D. Artificially acquired passive immunity
13889.

Lymphoid tissue is found in:

A. Thymus
B. Tonsils
C. Lymph nodes
D. All of these
Answer» E.
13890.

A non-infectious unnatural and unusual reaction to a substance or condition is:

A. Toxin
B. Allergy
C. Infection
D. Immunity
Answer» C. Infection
13891.

Immunoglobulin is present in sebum of:

A. IgM
B. IgG
C. IgA
D. IgE
Answer» D. IgE
13892.

B-lymphocytes are primarily involved in:

A. Humoral immunity
B. Autoimmune disorders
C. Graft rejection
D. Cell-mediated immunity
Answer» B. Autoimmune disorders
13893.

In the cell-mediated immune response, T-lymphocytes divide and secrete:

A. Antigens
B. Plasmogens
C. Collagens
D. Cytokines
Answer» E.
13894.

Active immunity is:

A. Borrowed from an active disease case.
B. Developed in direct response to a disease agent.
C. The product of borrowed antibodies.
D. Passive immunity that is activated.
Answer» C. The product of borrowed antibodies.
13895.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : ORS is given to the patients suffering from cholera. Reason : ORS contains water, minerals and sugar to avoid dehydration.

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
Answer» B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
13896.

Hydrophobia' (Rabies) is a disease caused by [DPMT 1985]

A. Virus
B. Nematode
C. Helminth
D. Protozoan
Answer» B. Nematode
13897.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Adenoma is a sarcoma. Reason : Adenoma is located in the adipose tissue.

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
Answer» E.
13898.

Regeneration of a limb or tail is an example of [BVP 2000]

A. Compensatory hypertrophy
B. Epimorphosis
C. Morphallaxis
D. Autotomy
Answer» C. Morphallaxis
13899.

Which of the following is not case of epimorphosis [CPMT 2004]

A. Formation of sperms from small clumps of cells
B. Regeneration of tail in a lizard
C. Replacement of severed arm in starfish
D. Replacement of limb in salamander
Answer» B. Regeneration of tail in a lizard
13900.

Read the assertion and reason carefully to mark the correct option out of the options given below: Assertion : Birds and mammals show isometric growth. Reason : Fishes and insects show allometric growth.

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false
Answer» E.