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