Given below are two statements:
Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement II: The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements, choose the correct answer from the options given below:

NEET-2023 [Human-Reproduction] [class-xii ]

• Statement I incorrect but Statement II is true.
• Both Statement I and Statement II are true.
• Both Statement I and Statement II are false
• Statement I is correct but Statement II is false.
Correct Option: B  [ Both Statement I and Statement II are true. ]

Remark:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Endometrium is necessary for implantation of blastocyst.
Reason R: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:

NEET-2023 [Human-Reproduction] [class-xii ]

• A is false but R is true.
• Both A and R are true and R is the correct explanation of A.
• Both A and R are true but R is NOT the correct explanation of A.
• A is true but R is false.
Correct Option: C  [ Both A and R are true but R is NOT the correct explanation of A. ]

Remark:

Which of the following statements are correct regarding female reproductive cycle?
A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.
B. First menstrual cycle begins at puberty and is called menopause.
C. Lack of menstruation may be indicative of pregnancy.
D. Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below:

NEET-2023 [Human-Reproduction] [class-xii ]

• A, C and D only
• A and D only
• A and B only
• A, B and C only
Correct Option: A  [ A, C and D only ]

Remark:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Amniocentesis for sex determination is one of the strategies of Reproductive and Child Health Care Programme.
Reason R: Ban on amniocentesis checks increasing menace of female foeticide.
In the light of the above statements. Choose the correct answer from the options given below:

NEET-2023 [Human-Reproduction] [class-xii ]

• A is false but R is true.
• Both A and R are true and R is the correct explanation of A.
• Both A and R are true and R is NOT the correct explanation of A.
• A is true but R is false.
Correct Option: A  [ A is false but R is true. ]

Remark:

Identify the asexual reproductive structure associated with Penicillium:

NEET-2022 [Human-Reproduction] [class-xii ]

• Conidia
• Gemmules
• Buds
• Zoospores
Correct Option: A  [ Conidia ]

Remark:

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
A. It results in the formation of haploid gametes
B. Differentiation of gamete occurs after the completion of meiosis
C. Meiosis occurs continuously in a mitotically dividing stem cell population
D. It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary
E. It is initiated at puberty
Choose the most appropriate answer from the options given below:

NEET-2022 [Human-Reproduction] [class-xii ]

• B and C only
• B, D and E only
• B, C and E only
• C and E only
Correct Option: C  [ B, C and E only ]

Remark:

At which stage of life the oogenesis process is initiated ?

NEET-2022 [Human-Reproduction] [class-xii ]

• Embryonic development stage
• Birth
• Adult
• Puberty
Correct Option: A  [ Embryonic development stage ]

Remark:

Given below are two statements:
Statement I: The release of sperms into the seminiferous tubules is called spermiation. Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia. In the light of the above statements, choose the most appropriate answer from the options given below:

NEET-2022 [Human-Reproduction] [class-xii ]

• Both Statement I and Statement II are incorrect
• Statement I is correct but Statement II is incorrect
• Statement I is correct but Statement II is incorrect
• Both Statement I and Statement II are correct
Correct Option: B  [ Statement I is correct but Statement II is incorrect ]

Remark:

Receptors for sperm binding in mammals are present on:

NEET-2021 [Human-Reproduction] [class-xii ]

• Corona radiata
• Vitelline membrane
• Perivitelline space
• Zona pellucida
Correct Option: D  [ Zona pellucida ]

Remark:

Which of these is not an important component of initiation of parturition in humans?

NEET-2021 [Human-Reproduction] [class-xii ]

• Increase in estrogen and progesterone ratio
• Synthesis of prostaglandins
• Release of Oxytocin
• Release of Prolactin
Correct Option: D  [ Release of Prolactin ]

Remark: