Excretory Products and their Elimination

1. Which of the following statements is correct? A. The ascending limb of loop of Henle is impermeable to water. B. The descending limb of loop of Henle is impermeable to water. C. The ascending limb of loop of Henle is permeable to water. D. The descending limb of loop of Henle is permeable to

JENPAS UG Logical Reasoning Mock Test

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Body Fluids and Circulation Questions and Answers

1. Mitral valve is present between— A. left auricle and right auricle B. left ventricle and right ventricle C. left auricle and left ventricle D. right auricle and right ventricle 2. The condition “where bone marrow stops producing WBCs is called- A. anaemia B. leukaemia C. leucopenia D. leukoplakia 3. Select the incorrect statement out

Breathing and Respiration Questions and Answers

1. Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of— A. Residual Volume B. Inspiratory Reserve Volume C. Tidal Volume D. Expiratory Reserve Volume 2. Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because-

Digestion and Absorption Questions and Answers

1. The optimum pH of pepsin is-— A. 11 B. 5-6 C. 1.6-2.4 D. 4-7 2. Enzymes not present in pancreatic juice is- A. Amylase B. Chymotrypsinogen C. Lipase D. enterokinase 3. Vermiform appendix arises from- A. caecum B. colon C. rectum D. ileum 4. Choose the correct statement among the following. A. The intestinal

DSSSB Junior Engineer Electrical Previous Question Papers

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Plant Growth and Development Questions and Answers

1. The phenomenon called ‘apical dominance‘ in plants is due to a phytohormone— A. Cytokinins B. Auxins C. ABA D. gibberellins 2. Gibberellins can promote seed germination because of their influence on A. absorption of water through hard seed coat B. synthesis of abscisic acid C. production of hydrolysing enzymes D. rate of cell division

Respiration in Plants Questions and Answers

1. Which statement is wrong for Krebs’ cycle? A. There are three points in the cycle where NAD+ is reduced to NADH + H+ B. There is one point in the cycle where FAD+ is reduced to FADH2 C. During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised D. The

Photosynthesis Questions and Answers

1. With reference to factors affecting the rate of photosynthesis, which of the following statement is not correct? A. Light saturation for CO2 fixation occurs a 10% of full sunlight. B. Increasing atmospheric CO2 concentration up to 0.05% can enhance CO2 fixation rate. C. C3 plants respond to higher temperature with enhance photosynthesis while C4

Mineral Nutrition Questions and Answers

1. Which of the following is not non-essential element for plants. A. Potassium B. Sodium C. Aluminium D. Cobalt 2. Element involved in nitrogen fixation is- A. Zinc B. Iron C. Boron D. Chlorine 3. X is essential micronutrient required in leaves and roots. Major function of ‘X’ is to perform metabolism of urea and