SINDH MDCAT 2019 Mdcat 2019 ( PART 9) 1. In sexual reproduction, sex cells contain ____ number of chromosomes when compared to other cells of body Same Half All are correct Double 2. Kinetochore is a complex of ____ associated with the centromere of a chromosome to which the microtubules of the spindle attach. Nucleosomes Proteins Carbohydrates DNA 3. Pituitary gland releases hormone ____ and ____ hormone, while ovaries produce ____ and progesterone Estrogen and follicle stimulating, luteinizing Follicle stimulating and estrogen, luteinizing Luteinizing and estrogen, follicle stimulating Follicle stimulating and luteinizing, estrogen 4. In higher animals’ bodies, tissue fluid is isotonic as contrary to plants because in plant’s cell: Cell wall creates resistance in water uptake Chlorophyll creates resistance in water uptake Plastids creates resistance in water uptake Cell membrane creates resistance in water uptake 5. Which one is NOT an involuntary function? Skeletal muscle movement Blinking of eyes Pumping of blood Breathing 6. In gametogenesis, which resultant product is non-functional? Spermatogonia Polar body Ovum Oogonia 7. The passageways of the respiratory system are lined by mucous secreting cells called Surfactant cells Tracheal cells Goblet cells Pleural cells 8. Virus can only survive and reproduce inside a Animal cell Bacterial cell Living cell Non-living 9. In addition to smaller hind limb muscle mass, the mutant “mini muscle” gene exhibit lower heart rates during physical activity, larger kidneys and livers in mice. This is a very good example of ____ : Epistasis Co-dominance Multiple alleles Pleiotropy 10. ____ is the stage of mitosis characterized by the physical separation of ____ chromatids Metaphase, Homologous Anaphase, Sister Telophase, F1 chromatids Interphase, Offspring Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20