MCQs on Implantation and Gastrulation

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Implantation and Gastrulation Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Implantation and Gastrulation

1. ___________ is formed during gastrulation
(a) gill
(b) vitelline membrane
(c) heart
(d) archenteron

Answer

Answer: (d)


2. Mesoderm gives rise to all the structures except
(a) gonads
(b) circulatory system
(c) nervous system
(d) muscular system

Answer

Answer: (c)


3. The fertilized eggs in human females gets implanted in uterus
(a) after one month of fertilization
(b) after two months of fertilization
(c) after about 7 days of fertilization
(d) after 3 weeks of fertilization

Answer

Answer: (c)


4. Brain, nerve cells and spinal cord or the Central nervous system develops from embryonic
(a) mesoderm
(b) endoderm
(c) ectoderm
(d) both (b) and (c)

Answer

Answer: (c)


5. This list contains only the mesodermal structures
(a) Heart, blood, bones, notochord
(b) heart, blood, muscles, liver
(c) notochord, blood, liver, muscles
(d) liver, heart, bones, blood

Answer

Answer: (a)


6. Implantation is the process of
(a) attachment of blastocyst to the uterine wall
(b) egg movement
(c) degeneration of egg
(d) egg fertilization

Answer

Answer: (a)


7. This embryo has parasitic mode of nutrition
(a) mammalian embryo
(b) bird’s embryo
(c) amphibian embryo
(d) reptilian embryo

Answer

Answer: (a)


8. If the nuclei from an 8-celled stage of an embryo are transplanted into enucleated eggs, which of the following events is likely to take place
(a) recipient egg dies
(b) donor nuclei die in the new environment
(c) cleavage occurs but is arrested after some time
(d) formation of viable embryo in the recipient eggs

Answer

Answer: (d)


9. Egg implantation is followed by
(a) Parturition
(b) Copulation
(c) Fertilization
(d) Gestation

Answer

Answer: (d)


10. Pseudopregnancy is a physiological condition comparable to normal pregnancy except that there is no
(a) endometrial changes
(b) developing foetus
(c) corpus luteum
(d) developing ovum

Answer

Answer: (b)


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