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.

5801.

There are some special types of cells found in the seminiferous tubules known as sertoli cells. These are [CBSE PMT 1992]

A. Germinal cells
B. Reproductive cells
C. Somatic cells
D. Protective cells
Answer» E.
5802.

The function of prostate gland is [Wardha 2005]

A. Storage of semen
B. Provide motility to sperms
C. Formation of semen
D. Release of hormones
Answer» C. Formation of semen
5803.

Heterogametic male condition does not occur in [MHCET 2004]

A. Birds
B. Humans
C. Drosophila
D. Honey bee
Answer» B. Humans
5804.

Seminiferous tubules develop central lumen after [DPMT 1987]

A. Birth
B. Prepuberal time
C. Puberty
D. Old age
Answer» D. Old age
5805.

Cauda epididymis leads to [MHCET 2004]

A. Vas efferens
B. Vas deferens
C. Ejaculatory duct
D. Rete testis
Answer» C. Ejaculatory duct
5806.

ICSH acts on [MHCET 2004]

A. Spermatogonia
B. Nurse cells
C. Leydig cells
D. Primary spermatocytes
Answer» D. Primary spermatocytes
5807.

In most mammals, the testes are located in scrotal sac for [MHCET 2003]

A. Spermatogenesis
B. Sex differentiation
C. More space to visceral organs
D. Independent functioning of kidney
Answer» B. Sex differentiation
5808.

Which of the following is the endocrine tissue of testes [Pb. PMT 2000]

A. Epidermis
B. Inguinal canal
C. Leydig cells
D. Spermatic cord
Answer» D. Spermatic cord
5809.

In which of the following organism testes descends into scrotum in breeding season but in non-breeding season goes up [AFMC 2004]

A. Frog
B. Kangaroo
C. Shrew
D. Bat
Answer» E.
5810.

In rabbit, head of the epididymis present at the head of the testis is called [KCET 2000; CPMT 2000; BHU 2004]

A. Vas deferens
B. Cauda epididymis
C. Gubernaculum
D. Caput epididymis
Answer» E.
5811.

Sertoli cells are found in [RPMT 1999; Haryana PMT 2005]

A. Kidney of rabbit
B. Ovary of frog
C. Testes of rabbit
D. Ovary of rabbit
Answer» D. Ovary of rabbit
5812.

Bidder?s canal is found in [AFMC 1999]

A. Testes of frog
B. Kidney of frog
C. Ovary of mammal
D. Kidney of mammal
Answer» C. Ovary of mammal
5813.

Seminiferous tubules are found in [MP PMT 1998; BVP 2004]

A. Testis
B. Ovary
C. Kidney
D. Lung
Answer» B. Ovary
5814.

From the seminiferous tubules the spermatozoa pass into

A. Epididymis
B. Vas deferens
C. Seminal vesicle
D. Rete testis
Answer» E.
5815.

The testes of a great majority of mammals are typically enclosed in an extra abdominal sac, the scrotum. The temperature inside the scrotum is lower than that in the abdomen. What will happen if the temperature of the scrotum is artificially maintained to the level of abdominal temperature

A. The germinal epithelium will produce a large quantity of androgen secretion
B. The germinal epithelium of the testes will divide faster, thus producing more sperms
C. The germinal epithelium of the testes will degenerate, resulting in sterility
D. The germinal epithelium will carry out normal spermatogenesis
Answer» D. The germinal epithelium will carry out normal spermatogenesis
5816.

Supporting cells found in between the germinal epithelium of testes are called [MP PMT 1996, 2002]

A. Interstitial cells of Leydig
B. Sertoli cells
C. Granular cells
D. Phagocytes
Answer» C. Granular cells
5817.

Testes in rabbit are [MP PMT 1995]

A. Inside the body
B. On the sides of the kidneys
C. In scrotal sacs
D. On either side of dorsal aorta
Answer» D. On either side of dorsal aorta
5818.

Which of the following is similar in function to Cowper's gland

A. Bartholin's gland
B. Perineal gland
C. Prostate gland
D. Rectal gland
Answer» B. Perineal gland
5819.

The scrotal sac of a male mammal is homologous to

A. Clitoris
B. Labia majora
C. Vagina
D. Uterus
Answer» C. Vagina
5820.

Ducts leading from the testes of rabbit are called

A. Genital ducts
B. Spermatic ducts
C. Urinary ducts
D. Vasa efferentia
Answer» E.
5821.

In which animal the testes are abdominal during embryonic stages but migrate to scrotum just before birth where they remain throughout life

A. Elephants
B. Men
C. Rats
D. Whales
Answer» C. Rats
5822.

Functions of seminal fluid is/are

A. Maintains the viability of sperms
B. Maintains motility of sperms
C. Provides proper \[pH\] and ionic strength
D. All the above
Answer» E.
5823.

Which of the following is an accessory reproductive gland in male mammals [CPMT 1988; MP PMT 1988; MH CET 2004]

A. Prostate gland
B. Gastric gland
C. Mushroom shaped gland
D. Inguinal gland
Answer» B. Gastric gland
5824.

The fold of skin covering the penis is called

A. Corpora covernosa
B. Corpus spongiosum
C. Prepuce
D. None of these
Answer» D. None of these
5825.

Sperms become non-motile in the vagina in

A. Less than 60 minutes
B. More than 60 minutes
C. 120 minutes
D. 25-30 hours
Answer» B. More than 60 minutes
5826.

The narrow middle part of the epididymis is called

A. Caput epididymis
B. Cauda epididymis
C. Corpus epididymis
D. All the above
Answer» D. All the above
5827.

Ejaculation of semen

A. Involves rhythmic contractions of striated muscles
B. Is aided by sympathetic nerve activity
C. Coincides with feeling of organisms
D. All the above
Answer» E.
5828.

Each epididymis consists of a single tightly coiled tube whose length is about

A. \[20\,cm\]
B. \[20\,feet\]
C. \[20\,metres\]
D. None of these
Answer» C. \[20\,metres\]
5829.

Composition of semen is

A. Secretion of the testes and epididymis
B. Secretions of the seminal vesicles
C. Secretions of prostate gland and bulbo-urethral glands
D. All the above
Answer» E.
5830.

The seminal fluid coagulates on ejaculation due to

A. Sodium contents from prostatic secretion
B. Sodium contents from Cowper's glands
C. Calcium and fibrinogen contents from prostatic secretion
D. Secretions of epididymis
Answer» D. Secretions of epididymis
5831.

Which of the following statement is incorrect about Leydig cells

A. They are abundant in early foetal life
B. Gradually diminish during childhood
C. Increase at puberty
D. Absent in old age
Answer» E.
5832.

Testis and ovary lie

A. Dorsal to kidney
B. Ventral to kidney
C. Lateral to kidney
D. Diagonal to kidney
Answer» C. Lateral to kidney
5833.

The male sex hormone 'testosterone' is secreted by special Leydig's cells present in

A. Kidneys
B. Seminiferous tubules of testes
C. Connective tissue surrounding the seminiferous tubules of testes
D. Cells lining the epidermis of the testes
Answer» D. Cells lining the epidermis of the testes
5834.

Bulbourethral gland is also known as

A. Prostate gland
B. Cowper's gland
C. Perineal gland
D. Meibomian gland
Answer» C. Perineal gland
5835.

Cowper's gland is present in [MP PMT 1994, 95]

A. Cockroach
B. Rabbit
C. Earthworm
D. Frog
Answer» C. Earthworm
5836.

In man the two vasa deferentia open into

A. Urinary bladder
B. Rectum
C. Urethra
D. Penis
Answer» D. Penis
5837.

Gubernaculum cordis is a contractile structure that [CMC Vellore 1993]

A. Pulls down the testis during breeding season into the scrotal sac
B. Allows daily migration of the testis from the abdominal cavity into the scrotum
C. Facilitates ejaculation of spermatozoa from the testis
D. Keeps the testis in position
Answer» E.
5838.

If Cowper's glands are removed. They will affect

A. Erection of penis
B. Sperms
C. Sex recognition
D. Sexual behaviour
Answer» C. Sex recognition
5839.

The abdominal passage which connects the abdominal cavity with the scrotal sac in mammals is known as [AFMC 1975; CPMT 1987]

A. Spermatic canal
B. Neurenteric canal
C. Inguinal canal
D. Haversion canal
Answer» D. Haversion canal
5840.

If the vas deferens of a man is surgically disconnected [MP PMT 1993]

A. Sperms in the semen will be without nuclei
B. Semen will be without sperms
C. Spermatogenesis will not occur
D. Sperms in the semen will be non-motile
Answer» C. Spermatogenesis will not occur
5841.

Which cells in the testis secrete testosterone [MP PMT 1992; CBSE PMT 2001; BVP 2001;BHU 2001, 04]

A. Interstitial cells or cells of Leydig
B. Cells of the germinal epithelium
C. Sertoli cells
D. Secondary spermatocytes
Answer» B. Cells of the germinal epithelium
5842.

Cryptorchidism is the condition in man when [CBSE PMT 1990]

A. There are two testis in each scrotum
B. Testis do not descent into the scrotum
C. Testis enlarge in the scrotum
D. Testis degenerate in the scrotum
Answer» C. Testis enlarge in the scrotum
5843.

Which of the following amino acids contain sulphur

A. Asparagin
B. Serine
C. Proline
D. Methionine
Answer» E.
5844.

Chlorosis occurs when plants are grown in  [MP PMT 1984, 87; CPMT 1981, 84; DPMT 1984]

A. Dark
B. Shade
C. Strong light
D. Fe free medium or (due to lack of iron or magnesium)
Answer» E.
5845.

In plants a common symptom caused by deficiency of P, K, Ca and Mg is the [AIIMS 1980, 84; BHU 1985]

A. Bending of leaf tip
B. Formation of anthocyanin
C. Poor development of vasculature
D. Appearance of dead necrotic areas
Answer» E.
5846.

Which is essential for root hair growth [BHU 2005]

A. Zn
B. Ca
C. Mo
D. S
Answer» C. Mo
5847.

The appearance of yellow edges to leaves is due to deficiency of this mineral element [Kerala PMT 2004]

A. Calcium
B. Magnesium
C. Potassium
D. Sulphur
E. Molybdenum
Answer» D. Sulphur
5848.

Which of the following is essential mineral element and is not a constituent of any enzyme but stimulate the activity of many enzymes [CBSE PMT 1989; BHU 1994]

A. Zn
B. Mg
C. Mn
D. K
Answer» E.
5849.

The major portion of the dry weight of plants comprises of  [CBSE PMT 2003]

A. Carbon, hydrogen and oxygen
B. Nitrogen, Phosphorus and potassium
C. Calcium, magnesium and sulphur
D. Carbon, nitrogen and hydrogen
Answer» B. Nitrogen, Phosphorus and potassium
5850.

Those fertilizers, which provide all the essential elements such as \[N,\,P\] and \[K\] etc. required for plant growth, are called [BHU 2001]

A. Direct fertilizers
B. Indirect fertilizers
C. Complete fertilizers
D. Incomplete fertilizers
Answer» D. Incomplete fertilizers