ETEA PAST PAPER 2020 ( PART 14 ) 1. Which of the following is common to all neurons? A thick myelin heath Presence of node of Ranvier A cell which contains a nucleus Presence of Schwann cells 2. Neurons are cells adopted for the rapid transmission of electrical impulses. To do this, they have long thin process called: Axons Dendrited Myelin sheath Schwann cells 3. ___ is a junction between two neurons or between a motor neuron and a muscle cell Impulse Synapse Axon Cleft 4. Which of the following represents the changes that occur in the ovary and the uterus approximately every 28 days involving evolution with the breakdown and loss of the linning of the uterus Uterine cycle Menstrual cycle Embryo formation Ovulation 5. Which of the following diseases is sexually transmitted? AIDs Dengue fever Tuberculosis Cholera 6. Which of the following hormones of the pituitary gland regulate the menstrual cycle? Estrogen and progesterone Luteinizing hormone and estrogen Follicle stimulating hormone and estrogen Follicle stimulating hormone and luteinizing hormone 7. Haemophilia A and B, color blindness and testicular feminization are example of : Note: none of these is correct Pseudosutosomal trait Y-linked inheritance X-linked dominant trait Y-linked recessive trait 8. Which traits are most likely to affect men than women? X linked recessive Autosomal dominant X linked dominant Autosomal recessive 9. Alleles both have an effect on the phenotype heterozygotic organism Recessive Co-dominant Dominant Multiple 10. When both the alleles of a gene are the same, the organism is said to be: Heterozygous Homozygous Genotype Phenotype Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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