Schizont stage in the life cycle of malarial parasite occurs in1. Erythrocytes of man2. Stomach of Anopheles3. Blood of man4. Salivary glands of Anopheles
cell inreases in volume when placed in solution which is1. Isotonic2. Hypotonic3. Hypertonic4. None of the above
The apical cell theory of the development of meristems is attributed to1. Schmidt and Foster2. Popham and Chan3. Hanstein4. Hoffmeister and Nagelli
Ribosome are the centre for1. Respiration2. Photosynthesis3. Protein synthesis4. Fat synthesis
Blood groups were discovered by1. Landsteiner2. Ronald Ross3. Altmann4. Losch
The experimental material used by Melvin Calvin to study dark reaction were1. algae2. bryophytes3. pteridophytes4. gymnosperms
Measures to control plant diseases are1. Prophylactic2. Therapeutic3. Immunization4. All the three
An egg in which the yolk is concentrated towards one pole is called1. telolecithal2. centrolecithal3. isolecithal4. mesolecithal
The true sense of equilibrium mammals redsides in internal ear. This is located or the structurre that helps a person to maintain his balance is1. Malleus2. Utriculus3. Eustachian tubes4. Semicircular canals
Stomodaeual valve in cockroach is situated between1. Crop and Gizzard2. Gizzard and Mesenteron3. Mesenteron and Ileum4. Rectum and Anus
The procoelous centrum is1. Concave in front and behind2. Concave in front and convex at the posterior face3. convex at both faces4. Flat in front and behind
The commonest thing which can respire in the absence of oxygen is1. Yeast2. Potato3. Chlorella4. Fish
Which of the following is a partial parasite ?1. Cassytha2. Viscum3. Cuscuta4. Loranthus
The pollen in Cycas exhibits1. 3- celled stage2. 1- celled stage3. 2- celled stage4. 4- celled stage
Deficiency of Vitamin D in children causes of disease1. Beri beri2. Rickets3. Pelagra4. Anaemia
Sheathing of leaf bases and a ligule is a feature of1. Musaceae2. Germinate3. Pteridophyte4. Lilliaceae
The deficiency of one or more essential amino acids may result in the fall of1. Sugar level in the blood2. Haemoglobin level in the blood3. W.B.C level in the blood4. Platelet level in the blood
If two organisms are in the same phylum, they must also be in the same: 1) class 2) species 3) family 4) kingdom
Which kingdom contains "extremophiles"? 1) eubacteria 2) archaebacteria 3) fungi 4) protista
A dichotomous key is used to: 1) locate an organism 2) identify an organism 3) divide a kingdom 4) interbreed species
The oxygen produced in photosynthesis comes from what molecule? 1) glucose 2) water 3) P680 4) ATP
What do plants and animals have in common? 1) both are heterotrophic 2) both are autotrophic 3) both are prokaryotic 4) both are eukaryotic
Oxidative phosphorylation is also known as: 1) chemiosmosis 2) glycolysis 3) fermentation 4) electron transport chain
The amount of Eosinophils normally found in the differential WBC count is 1) 0.5 - 3.0% 2) 2.5 - 3.0% 3) 1.0 - 4.0% 4) 4.0 - 5.0%
Which of the following is NOT a produce of the light dependent reaction? 1) Oxygen 2) ATP 3) NADPH 4) Sugar
Which of the following is the source of the carbon in sugar produced during photosynthesis? 1) carbon dioxide 2) water 3) rubisco 4) ATP
Carbon fixation is catalyzed by what enzyme? 1) P700 2) NADPH 3) phosphoglycerate 4) rubisco
The calvin cycle requires each of the following inputs EXCEPT: 1) ATP 2) NADPH 3) O2 4) CO2
In the light dependent reactions, when light strikes the pigments (P700 or P680) what is the immediate result? 1) excited electrons are passed to electron acceptors 2) electrons are fused to form ATP 3) glucose is produced 4) carbon fixation occurs
In the calvin cycle, more ATP than NADPH is used, how is this difference made up? 1) the cyclic pathway creates more ATP 2) the calvin cycle occurs half as often as the light dependent reaction 3) additional ATP is created from glucose 4) excess NADPH is reused in the light reaction
Which of the following occurs in the stroma of the chloroplast? 1) light dependent reaction 2) electron transport chain 3) calvin cycle 4) photolysis
Which of the following is the products of the Krebs cycle? 1) ATP 2) NADH 3) FADH 4) all of these
Which of the following is necessary for oxidative phosporylation to occur? 1) ATP 2) oxygen 3) carbon dioxide 4) lactic acid
Instead of phylum, plants use which category? 1) division 2) subspecies 3) class 4) subkingdom
The final electron acceptor during oxidative phosphorylation is: 1) oxygen 2) water 3) carbon dioxide 4) ATP
The current classification system was devised by: 1) Aristotle 2) Plato 3) Linneaus 4) Darwin
Cramps during exercise are caused by: 1) alcohol fermentation 2) glycolysis inhibition 3) lactic acid fermentation 4) chemiosmosis
This process begins with the production of Acetyl-CoA: 1) chemiosmosis 2) glycolysis 3) fermentation 4) krebs cycle
This process uses NADH and FADH2 to produce ATP 1) oxidative phosphorylation 2) fermentation 3) glycolysis 4) krebs cycle
Which of the following statements is FALSE? 1) glycolysis can occur with or without oxygen 2) glycolysis occurs in the mitochondria 3) glycolysis is the first step in both aerobic and anaerobic respiration 4) glycolysis produces 2 ATP, 2 NADH, and 2 pyruvate
Which of the following occurs in both photosynthesis and respiration? 1) chemiosmosis 2) glycolysis 3) calvin cycle 4) krebs cycle
Which of the following pairs is MOST closely related? 1) dog & tapeworm 2) tapeworm & bacteria 3) mushroom & tree 4) ameba & bacteria
Organisms in the Kingdom Animalia are: 1) mutlicellular & heterotrophic 2) multicellular & autotrophic 3) unicellular & autotrophic 4) unicellular & autotrophic
Which of the following groups would contain the largest number of organisms? 1) class 2) order 3) phylum 4) family
Origin of species was published in the year 1) 1859 2) 1862 3) 1883 4) 1919
