The fluid-filled cavities near the embryonic ectoderm and the embryonic endoderm are respectively:
1. amniotic cavity, blastocele
2. amniotic cavity, yolk sac
3. blastocele, amniotic cavity
4. yolk sac, amniotic cavity

Subtopic:  Embryonic Development till Gastrulation |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The epidermis and the dermis of the skin develops respectively from embryonic:
1. ectoderm, endoderm
2. ectoderm, mesoderm
3. endoderm, mesoderm
4. endoderm, ectoderm

Subtopic:  Embryonic Development till Gastrulation | Fetal Development & Parturition |
 55%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Identify the organ system in humans that is derived from all the three embryonic germ layers:
1. cardiovascular system.
2. digestive system.
3. endocrine system.
4. muscular system.

Subtopic:  Embryonic Development till Gastrulation |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Parturition involves a positive feedback between:
1. uterine contraction, estrogen
2. estrogen, progesterone
3. estrogen, oxytocin
4. uterine contraction, oxytocin

Subtopic:  Fetal Development & Parturition |
 81%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Lactation after child birth is possible due to decrease in the secretion of:
1. HCG
2. oxytocin
3. FSH and LH
4. estrogen and progesterone

Subtopic:  Fetal Development & Parturition |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The initial phase of the cortical reaction leads to:
1. slow block to polyspermy
2. fast block to polyspermy
3. formation of pronuclei
4. completion of acrosome reaction

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 53%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Prolactin is secreted by:
1. hypothalamus
2. anterior pituitary
3. posterior pituitary
4. mammary glands

Subtopic:  Fetal Development & Parturition |
 63%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The first form of milk produced by the mammary glands of mammals immediately following delivery of the newborn is called:

1.prolactin2.progesterone
3.milk4.colostrum

Subtopic:  Fetal Development & Parturition |
 92%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The most common age for the onset of puberty in females is:
1. 8-9 years
2. 9-10 years
3. 11-13 years
4. 14-15 years

Subtopic:  Female Reproductive System-2 |
 77%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Identify the incorrect statement:
1. Spermatogenesis begins at puberty.
2. Secondary spermatocyte has 23 chromosomes.
3. Oogenesis lasts only from puberty until menopause
4. oogenesis begins in fetal life

Subtopic:  oogenesis |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch