This quiz works best with JavaScript enabled. Home > Grammar > Sentence Structure > Coordination – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Coordination Quiz 11 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following description is not correct? A) Enlargement of the thyroid gland, protrusion of the eyeballs, increased basal metabolic rate, and weight loss-Exopthalmic goitre. B) Hypercalcemic hormone-Thyrocalcitonin. C) Excess secretion of growth hormone in adults especially in middle age-Acromegaly. D) Hormone are primary and intercellular messenger. Show Answer Correct Answer: B) Hypercalcemic hormone-Thyrocalcitonin. 2. What do you understand about a response ..... A) Any changes in the environment which can trigger response. B) Reaction to a stimulus. C) All the above. D) None of the above. Show Answer Correct Answer: B) Reaction to a stimulus. 3. Which of the following species has the electron configuration [Ar]3d$^{4}$? A) Ti. B) V$^{2+}$. C) Cr$^{2+}$. D) Fe$^{2+}$. Show Answer Correct Answer: C) Cr$^{2+}$. 4. What 2 organ systems control homeostasis? A) Endocrine system and nervous system. B) Endocrine system and cardiovascular system. C) Nervous system and respiratory system. D) Nervous system and cardiovascular system. Show Answer Correct Answer: A) Endocrine system and nervous system. 5. Sp$^{3}$d hybridisation results in which shape- A) Tetrahedral. B) Square planar. C) Trigonal bipyramidal. D) Octahedral. Show Answer Correct Answer: C) Trigonal bipyramidal. 6. Which part of the eye focuses light? A) Iris. B) Lens. C) Pupil. D) Retina. Show Answer Correct Answer: B) Lens. 7. Which hormone is secreted by adrenal gland?$^{ Hormon manakah yang dirembeskan oleh kelenjar adrenal? }$ A) Insulin$^{ Insulin}$. B) Glucagon$^{ Glukagon}$. C) Aldosterone$^{ Aldosteron}$. D) Progesterone Progesteron. Show Answer Correct Answer: C) Aldosterone$^{ Aldosteron}$. 8. Which one of the following do not act as a neurotransmitter? A) Acetylcholine. B) Epinephrine. C) Norepinephrine. D) Cortisone. Show Answer Correct Answer: D) Cortisone. 9. A-progesterone stimulates the formation of alveoli in mammary glands and milk secretionR-corpus luteum mainly secretes progesterone A) A&R both true, R is the correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true, but R is false. D) Both A and R false. Show Answer Correct Answer: B) A&R both true, but R is not correct explanation of A. 10. A. The released neurotransmitters bind to their specific receptors, present on the pre-synaptic membrane of neuron.B. The new potential developed in post-synaptic neuron is always excitatory. A) A and B both are correct. B) A and B both are incorrect. C) Only A is correct. D) Only B is correct. Show Answer Correct Answer: B) A and B both are incorrect. 11. The main function of abscisic acid in plants is A) To promote cell division. B) To inhibit growth. C) To promote growth of stem. D) To increase the length of cells. Show Answer Correct Answer: B) To inhibit growth. 12. Which of the following is the function of cerebellum? A) Help control balance. B) Control involuntary action. C) Analysis of hunger. D) Control coordination of nervous system. Show Answer Correct Answer: A) Help control balance. 13. The correct formula of Potassium diaquatetrachlorochromate (III) is A) K$_{2}$[CrCl$_{4}$(H$_{2}$O)$_{2}$]. B) K$_{2}$[CrCl$_{2}$(H$_{2}$O)$_{4}$]. C) K[CrCl$_{4}$(H$_{2}$O)$_{2}$]. D) K[CrCl$_{2}$(H$_{2}$O)$_{ 4}$]. Show Answer Correct Answer: C) K[CrCl$_{4}$(H$_{2}$O)$_{2}$]. 14. A complex compound in which the oxidation number of a metal is zero is A) K4 [Fe (CN)6]. B) K3 [Fe (CN)6]. C) [Ni (CO)4]. D) [Pl (NH3 )4]Cl2. Show Answer Correct Answer: C) [Ni (CO)4]. 15. During repolarization of nerve- A) K$^{+}$ gate closes and Na$^{+ }$gate opens. B) Na$^{+}$ channels are closed and K$^{+ }$channels are opened. C) Both K$^{+}$ and Na$^{+}$ gates are closed. D) Both gates remain opened. Show Answer Correct Answer: B) Na$^{+}$ channels are closed and K$^{+ }$channels are opened. 16. Mechanism to reduce the amount of water in human's body A) Urination. B) Sweating. C) Feeling thirsty. D) Shivering. Show Answer Correct Answer: A) Urination. 17. How many ions are produced from the complex [Co(NH$_{3}$)$_{6}$]Cl$_{2}$ in solution? (a) 4 (b) 3 (c) 2 (d) 1 A) A. B) B. C) C. D) D. Show Answer Correct Answer: A) A. 18. A-the space within cochlea is called scala mediaR-scala media is filled with endolymph A) A&R both true, R is correct explanation of A. B) A&R both true, but R is not correct explanation of A. C) A is true but R is false. D) Both A&R are false. Show Answer Correct Answer: B) A&R both true, but R is not correct explanation of A. 19. What is the role of chelating agents in coordination chemistry? A) Chelating agents are primarily used as catalysts in chemical reactions. B) Chelating agents stabilize metal ions by forming multiple bonds, enhancing solubility and preventing precipitation. C) Chelating agents only bind to non-metal ions. D) Chelating agents are used to increase the temperature of reactions. Show Answer Correct Answer: B) Chelating agents stabilize metal ions by forming multiple bonds, enhancing solubility and preventing precipitation. 20. In the complex [E(en)2(C2O4)]NO2 (where (en) is ethylenediamine) ..... are the coordination number and the oxidation state of the element 'E' respectively. A) 6 and 2. B) 2 and 2. C) 4 and 3. D) 6 and 3. Show Answer Correct Answer: D) 6 and 3. 21. The longest fibre on the cell body of a neuron is called A) Sheath. B) Cytoplasm. C) Axon. D) Dendrites. Show Answer Correct Answer: C) Axon. 22. Helps fruit ripen A) Auxin. B) Gibberellin. C) Cytokinins. D) Ethylene. Show Answer Correct Answer: D) Ethylene. 23. What is the charge of the complex ion [CuCl4]2-? A) -2. B) -1. C) 0. D) +2. Show Answer Correct Answer: A) -2. 24. Hormone which Stimulate stem growth and seed germination. A) Abscisic Acid. B) Cytokinins. C) Both A and B. D) Gibberellins. Show Answer Correct Answer: D) Gibberellins. 25. EDTA is a ..... ligand A) Monodentate. B) Bidentate. C) Tetradentate. D) Hexadentate. Show Answer Correct Answer: D) Hexadentate. ← PreviousNext →Related QuizzesGrammar QuizzesCoordination Quiz 1Coordination Quiz 2Coordination Quiz 3Coordination Quiz 4Coordination Quiz 5Coordination Quiz 6Coordination Quiz 7Coordination Quiz 8Coordination Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books