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