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
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-
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
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
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
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
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
1. The ability to rise in thin tubes and the ability to resist a pulling force are respectively referred to as- A. tensile strength and capillarity B. adhesion and capillarity C. cohesion and adhesion D. capillarity and tensile strength 2. Which of the following is not a purpose of transpiration? A. Helps in absorption and
1. Which of the following options gives the correct sequence of events during mitosis? A. Condensation – nuclear membrane – disassembly crossing over segregation – telophase B. Condensation – nuclear membrane disassembly – arrangement at equator centromere division – segregation telophase C. condensation – crossing over nuclear – membrane disassembly – segregation telophase D. condensation
1. Which of the following are not polymeric? A. Nucleic acids B. Polysaccharides C. Lipids D. Proteins 2. Which one of the following statements is correct with reference to enzymes? A. Apoenzyme = Holoenzyme + Coenzyme B. Holoenzyme Apoenzyme + Coenzyme C. Coenzyme = Apoenzyme+ Holoenzyme D. Holoenzyme = Coenzyme + Co-factor 3. Which of
