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NEET Biology MCQS Mock Test Paper 31

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1. In ecological succession; the intermediate developmental phase is known as




2. This is true about secondary succession




3. Lithosphere serves as a reservoir for




4. This is not a climax vegetation




5. This about ecological succession is incorrect




6. An example of plants occupying the second stage of hydrosere is




7. On the sand; ecological succession is




8. Order of basic processes involved in succession is




9.  Process of the successful establishment of species in a new area is known as




10.  In ecological succession; the final stable community is known as




11.  This is a major reason for infertility in women




12. Boosting the intake of _________ can help women trying to conceive




13. Nerve supply of ovary is through




14. Menstrual phase bleeding is due to




15. Fertility in women is impaired by




16. Infertility is when a couple fails to conceive after




17. Procedures used to treat infertility are




18. Right ovarian artery arises from




19. This condition impairs infertility




20.  In women; this sexually transmitted disease can result in infertility




21. Lymph differs from blood in having ________.




22.  What happens to the red blood cells when it is kept in 0.8% NaCl?




23. Division of White Blood Cells takes place by_____




24. Least constancy of shape is exhibited by_______.




25. Which of the following statement is true about the Camel’s erythrocytes?




26. In adults; Red blood Cells is formed in ________.




27.  What is the average life span of human Red blood Cells?




28. When the count of white blood cells drops below the optimum level of blood it is known as ________?




29. The protein content is the highest in the lymphatics of ________.




30. An abnormal rise in the number of RBC count is known as________.




31. Which of the following organ is formed during gastrulation?




32. Mesoderm gives rise to all the structures except ______.




33.  In human females; the fertilized eggs get implanted in the uterus after ________.




34. Brain; nerve cells and spinal cord or the central nervous system develops from embryonic ______.




35. Which of the following options contains only the mesodermal structures?




36. Implantation is the process of__________.




37.  Which of the following embryo has a parasitic mode of nutrition?




38. which of the following events is likely to take place; if the nuclei from an 8-celled stage of an embryo are transplanted into enucleated eggs?




39. Egg implantation is followed by______.




40. Pseudopregnancy is a physiological condition; comparable to normal pregnancy except that there is no__________.




41. This is also known as meroblastic cleavage




42. The type of cleavage found in insects




43. Discoidal and superficial cleavages are types of




44. If the first cleavage furrow divides zygote completely into two; the cleavage type is




45. The only human system that is derived from all the three germ layers is




46. The fertilized egg divides by the process of




47. If an unfertilized egg is pricked with a microneedle; it will




48. A freshly unfertilized egg of hen contains




49. How many cleavages are completed in the 16-celled stage of an egg?




50.  The spindle in the determinate cleavage is