TEAS 7 Science Questions & Answers 2023|2024 Latest Update

1. Which of the following is the appropriate threshold value for mammalian neurons? o -80 Mv o -55 mV o 0 mV o +35 mV 2. In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation? o 2 red, 2 white o 4 red, 0 white o 3 red, 1 white o 1 red, 3 white 3. Which of the following structures is present in both prokarayotic cells? o Endoplasmic reticulum o Cell membrane o Chloroplast o Golgi apparatus 4. Which of the following can lead to a tsunami? o Sunspot activity o Lightning strikes o Flooding o Earthquakes 5. Which of the following are used to determine a person’s DNA sequence? o Genes o Blood type o Hormones o Enzymes 6. Which of the following organic molecules contain both an amine and carboxyl group? o Lipids o Chitin o Cellulose o Proteins 7. Osteoporosis results from which of the following