FORTIUS - PYQ based Unit Test # 3 (OLD NCERT)Contact Number: 8527521718FORTIUS - PYQ based Unit Test # 3 (OLD NCERT)Contact Number: 8527521718Select the mismatch:
1. Rhodospirillum - Mycorrhiza
2. Anabaena - Nitrogen fixer
3. Rhizobium - Alfalfa
4. Frankia - Alnus
Which of the following facilitates opening of stomatal aperture?
1. Decrease in turgidity of guard cells
2. Radial orientation of cellulose microfibrils in the cell wall of guard cells
3. Longitudinal orientation of cellulose microfibrils in the cell wall of guard cells
4. Contraction of outer wall of guard cells
Which of the metabolites is common to respiration, mediated breakdown of fats, carbohydrates and proteins?
1. Glucose-6-phosphate
2. Fructose 1, 6, bisphosphate
3. Pyruvic acid
4. Acetyl Co-A
Deficiency symptoms of nitrogen and potassium are visible first in
| 1. senescent leaves | 2. young leaves |
| 3. roots | 4. buds |
It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
1. Cytokinin and Abscisic acid
2. Auxin and Ethylene
3. Gibberellin and Cytokinin
4. Gibberellin and Abscisic acid
In which of the following, all three are macronutrients?
1. Iron, copper, molybdenum
2. Molybdenum, magnesium, manganese
3. Nitrogen, magnesium, phosphorus
4. Boron, zinc, manganese
Which of the following is the connecting link between glycolysis and Kreb's cycle?
| 1. | Acetyl Co-A | 2. | Oxalosuccinic acid |
| 3. | Pyruvic acid | 4. | Citric acid |
Read the following four statements a, b, c and d and select the right option having both correct statements:
| (a) | Z scheme of light reaction takes place in presence of PS I only |
| (b) | Only PS I is functional in cyclic photophosphorylation |
| (c) | Cyclic photophosphorylation results into synthesis of ATP and NADPH |
| (d) | Stroma lamellae lack PS II as well as NADP reductase |
Options:
| 1. | (c) and (d) | 2. | (b) and (d) |
| 3. | (a) and (b) | 4. | (b) and (c) |
A plant in your garden avoids photorespiratory losses, has improved water use efficiency, shows high rates of photosynthesis at high temperatures and has improved efficiency of nitrogen utilization. In which of the following physiological groups would you assign this plant?
| 1. | C4 | 2. | CAM |
| 3. | Nitrogen-fixer | 4. | C3 |
What will be the direction of flow of water when a plant cell is placed in a hypotonic solution?
1. Water will flow in both directions.
2. Water will flow out of the cell.
3. Water will flow into the cell.
4. No flow of water in any direction.
The main difference between active and passive transport across cell membrane is:
| 1. | passive transport is non-selective whereas active transport is selective. |
| 2. | passive transport requires a concentration gradient across a biological membrane whereas active transport requires energy to move solutes. |
| 3. | passive transport is confined to anionic carrier proteins whereas active transport is confined to cationic channel. |
| 4. | active transport occurs more rapidly than passive. |
Where is the respiratory electron transport system (ETS) located in plants?
1. Mitochondrial matrix
2. Outer mitochondrial membrane
3. Inner mitochondrial membrane
4. Intermembrane space
What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
| 1. | Green plants need light to perform photosynthesis |
| 2. | Green plants seek light because they are phototropic |
| 3. | Light stimulates plant cells on the lighted side to grow faster |
| 4. | Auxin accumulates on the shaded side, stimulating greater cell elongation |
In a chloroplast the highest number of protons are found in
| 1. | lumen of thylakoids | 2. | inter membrane space |
| 3. | antenna complex | 4. | stroma |
Study the cycle shown below and select the option which gives correct words for all the four blanks A, B, C and D:
| (A) | (B) | (C) | (D) | |
| 1. | Denitrification | Ammonification | Plant biomass |
Animal biomass |
| 2. | Nitrification | Denitrification | Animal biomass |
Plant biomass |
| 3. | Denitrification | Nitrification | Plant biomass |
Animal biomass |
| 4. | Nitrification | Ammonification | Animal biomass |
Plant biomass |
During non-cyclic photophosphorylation, when electrons are lost from the reaction center at PS II, what is the source which replaces these electrons?
| 1. | Oxygen | 2. | Water |
| 3. | Carbon dioxide | 4. | Light |
The site of perception of light in plants during photoperiodism is:
1. Axillary bud
2. Leaf
3. Shoot apex
4. Stem
What is the site of perception of photoperiod necessary for induction of flowering in plants?
1. Leaves
2. Lateral buds
3. Pulvinus
4. Shoot apex
The structures that are formed by stacking of organised flattened membranous sacs in the chloroplasts are
| 1. | cristae | 2. | grana |
| 3. | stroma lamellae | 4. | stroma |
Respiratory Quotient (RQ) value of tripalmitin is:
| 1. | 0.09 | 2. | 0.9 |
| 3. | 0.7 | 4. | 0.007 |
Seed dormancy is due to : -
1. Ethylene
2. Abscisic acid
3. IAA
4. Starch
Thiobacillus is a group of bacteria helpful in carrying out:
| 1. Denitrification | 2. Nitrogen fixation |
| 3. Chemoautotrophic fixation | 4. Nitrification |
Best defined function of manganese in green plants is
| 1. Photolysis of water | 2. Calvin cycle |
| 3. Nitrogen fixation | 4. Water absorption |
During biological nitrogen fixation, inactivation of nitrogenase by oxygen poisoning is prevented by
1. leghaemoglobin
2. xanthophyll
3. carotene
4. cytochrome
Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
| 1. | Plasticity | 2. | Maturity |
| 3. | Elasticity | 4. | Flexibility |
Removal of shoot tips is a very useful technique to boost the production of tea leaves. This is because
| 1. | Gibberellins prevent bolting and are inactivated. |
| 2. | Auxins prevent leaf drop at early stages. |
| 3. | Effect of auxins is removed and growth of lateral buds is enhanced. |
| 4. | Gibberellins delay senescence of leaves. |
Which element is located at the center of the porphyrin ring in chlorophyll?
| 1. | Calcium | 2. | Magnesium |
| 3. | Potassium | 4. | Manganese |
Glycolysis is found in the cytoplasm of virtually all types of aerobic/anaerobic cells. In this process, glucose is converted into :
| 1. | PEP | 2. | acetyl CoA |
| 3. | pyruvic acid | 4. | citric acid |
Loading of phloem is related to:
1. Increase of sugar in phloem
2. Elongation of phloem cell
3. Separation of phloem parenchyma
4. Strengthening of phloem fiber
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:
1. Phosphofructokinase
2. Aldolase
3. Hexokinase
4. Enolase
Which one of the following growth regulators is known as stress hormone ?
| 1. | Abscisic acid | 2. | Ethylene |
| 3. | GA3 | 4. | Indole acetic acid |
Which of the following PGR is present in coconut milk which is used in tissue culture?
| 1. | Cytokinin | 2. | Auxin |
| 3. | Gibberellin | 4. | Ethylene |
One scientist cultured Cladophora in a suspension of Azotobacter and illuminated the culture by splitting light through a prism. He observed that bacteria accumulated mainly in the region of :
| 1. | Violet and green light | 2. | Indigo and green light |
| 3. | Orange and yellow light | 4. | Blue and red light |
Match List-I with List II
| List-I | List-II | ||
| (a) | ETS complex-I | (i) | Cyt bc1 |
| (b) | ETS complex-II | (ii) | Cyt a,a3 and 2 copper centres |
| (c) | ETS complex-III | (iii) | NADH dehydrogenase |
| (d) | ETS complex-IV | (iv) | Ubiquinone and FADH2 dehydrogenase |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (i) | (iv) | (iii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iii) | (ii) | (i) | (iv) |
| 4. | (iii) | (iv) | (i) | (ii) |
What is the direction of movement of sugars in phloem?
1. Bi-directional
2. Non-multidirectional
3. Upward
4. Downward
The oxygenation activity of RuBisCO enzyme in photorespiration leads to the formation of:
| 1. | 1 molecule of the 3-C compound |
| 2. | 1 molecule of the 6-C compound |
| 3. | 1 molecule of a 4-C compound and 1 molecule of the 2-C compound |
| 4. | 2 molecules of the 3-C compound |
Inhibitory substances in dormant seeds cannot be removed by subjecting seeds to:
1. Gibberellic acid
2. Nitrate
3. Ascorbic acid
4. Chilling conditions
Root pressure develops due to
1. active absorption
2. low osmotic potential in soil
3. passive absorption
4. increase in transpiration
Nitrifying bacteria
1. convert free nitrogen to nitrogen compounds
2. convert proteins into ammonia
3. reduce nitrates to free nitrogen
4. oxidize ammonia to nitrates
The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and early morning is:
1. Root pressure
2. Imbibition
3. Plasmolysis
4. Transpiration
Which statement is wrong for Krebs cycle?
| 1. | There are three points in the cycle where is reduced to NADH + |
| 2. | There is one point in the cycle where is reduced to |
| 3. | During conversion of succinyl Co-A to succinic acid, a molecule of GTP is synthesised |
| 4. | The cycle starts with condensation of acetyl group (acetyl Co-A) with pyruvic acid to yield citric acid |
Which one of the following is correctly matched?
1. Passive transport of nutrients-ATP
2. Apoplast- Plasmodesmata
3. Potassium- Readily mobilized
4. Bakane of rice seedlings-F Skoog
Transpiration and root pressure cause water to rise in plants by
1. pulling it upward
2. pulling and pushing it, respectively
3. pushing it upward
4. pushing and pulling it, respectively
Farmers in a particular region were concerned that pre-mature yellowing of leaves of a pulse crop might cause decrease in the yield. Which treatment could be most beneficial to obtain maximum seed yield?
1. Frequent irrigation of the crop
2. Treatment of the plants with cytokinins along with a small dose of nitrogenous fertilizer
3. Removal of all yellow leaves and spraying the remaining green leaves with 2, 4, 5 trichlorophenoxy acetic acid
4. Application of iron and magnesium to promote synthesis of chlorophyll
In which one of the following processes is not released?
1. Aerobic respiration in plants
2. Aerobic respiration in animals
3. Alcoholic fermentation
4. Lactate fermentation
In the sugarcane plant, 14CO2 is fixed in malic acid because the enzyme that fixes CO2 is:-
1. Ribulose biphosphate carboxylase
2. Phosphoenol pyruvic acid carboxylase
3. Ribulose phosphate kinase
4. Fructose phosphatase
In C3 plants, the first stable product of photosynthesis during the dark reaction is :-
| 1. | Oxaloacetic acid | 2. | 3-phosphoglyceric acid |
| 3. | Phosphoglyceraldehyde | 4. | Malic acid |
With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct?
| 1. | Increasing atmospheric concentration up to 0.05 % can enhance fixation rate |
| 2. | plants respond to higher temperatures with enhanced photosynthesis while plants have much lower temperature optimum |
| 3. | Tomato is a greenhouse crop which can be grown in – enriched atmosphere for higher yield |
| 4. | Light saturation for fixation occurs at 10% of full sunlight |
During which stage in the complete oxidation of glucose, is the greatest number of ATP molecules formed from ADP?
1. Glycolysis
2. Krebs cycle
3. Electron transport
4. Conversion of pyruvic acid to acetyl CoA
Gastric juice of infants contains?
1. maltase, pepsinogen, rennin
2. nuclease, pepsinogen, lipase
3. pepsinogen, lipase, rennin
4. amylase, rennin, pepsinogen
Which of the following statement is not correct?
1. Brunner's glands are present in the submucosa of stomach and secrete pepsinogen.
2. Goblet cells are present in the mucosa of intestine and secrete mucus.
3. Oxyntic cells are present in the mucosa of stomach and secrete HCl.
4. Acini are present in the pancreas and secrete carboxypeptidase.
Bulk of carbon dioxide (CO2) released from body tissues into the blood is present as:
1. carbaminohaemoglobin in RBCs
2. bicarbonate in blood plasma and RBCs
3. free CO2 in blood plasma
4. 70% carbaminohaemoglobin and 30% as bicarbonate
Match the following parts of a nephron with their function:
| (a) | Descending limb of Henle's loop | (i) | Reabsorption of salts |
| (b) | Proximal convoluted tubule | (ii) | Reabsorption of water |
| (c) | Ascending limb of Henle's loop | (iii) | Conditional reabsorption of sodium ions and water |
| (d) | Distal convoluted tubule | (iv) | Reabsorption of ions, water and organic nutrients |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (i) | (iii) | (ii) | (iv) |
| 2. | (ii) | (iv) | (i) | (iii) |
| 3. | (i) | (iv) | (ii) | (iii) |
| 4. | (iv) | (i) | (iii) | (ii) |
A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-D.
1. B- Synaptic connection; D- K+
2. A- Neurotransmitter; B- Synaptic cleft
3. C- Neurotransmitter; D- Ca++
4. A- Receptor; C- Synaptic vesicles
The hepatic portal vein drains blood to liver from
| 1. | heart | 2. | stomach |
| 3. | kidneys | 4. | intestine |
How do parasympathetic neural signals affect the working of the heart?
| 1. | Reduce both heart rate and cardiac output |
| 2. | Heart rate is increased without affecting the cardiac output |
| 3. | Both heart rate and cardiac output increase |
| 4. | Heart rate decreases but cardiac output increases |
The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option, which gives correct identification and main function and/or characteristic.
| 1. | A-trachea-long tube supported by complete cartilaginous rings for conducting inspired air |
| 2. | B-pleural membrane-surrounds ribs on both sides to provide cushion against rubbing |
| 3. | C-alveoli-thin walled vascular bag-like structures for exchange of gases |
| 4. | D-lower end of lungs-diaphragm pulls it down during inspiration |
Which of the following statement is correct in relation to the endocrine system?
| 1. | Adenohypophysis is under direct neural regulation of the hypothalamus |
| 2. | Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones |
| 3. | Non-nutrient chemicals produced by the body in trace amount that act as intercellular messenger are known as hormones |
| 4. | Releasing and inhibitory hormones are produced by the pituitary gland |
When breast feeding is replaced by less nutritive food low in proteins and calories, the infants below the age of one year are likely to suffer from:
| 1. marasmus | 2. rickets |
| 3. kwashiorkor | 4. pellagra |
Which type of white blood cells are concerned with the release of histamine and the natural anticoagulant heparin?
| 1. | Neutrophils | 2. | Basophils |
| 3. | Eosinophils | 4. | Monocytes |
Match the items given in Column I with those in Column II and select the correct option given below:
| Column – I | Column – II | ||
| (a) | Tricuspid valve | (i) | Between left atrium and left ventricle |
| (b) | Bicuspid valve | (ii) | Between right ventricle and pulmonary artery |
| (c) | Semilunar valve | (iii) | Between right atrium and right ventricle |
Codes:
| (a) | (b) | (c) | |
| 1. | (i) | (ii) | (iii) |
| 2. | (i) | (iii) | (ii) |
| 3. | (iii) | (i) | (ii) |
| 4. | (ii) | (i) | (iii) |
The enzyme enterokinase helps in the conversion of
| 1. trypsinogen into trypsin | 2. caseinogen into casein |
| 3. pepsinogen into pepsin | 4. protein into polypeptides |
A person is having problems with calcium and phosphorus metabolism in his body. Which one of the following glands may not be functioning properly?
| 1. | Parathyroid | 2. | Parotid |
| 3. | Pancreas | 4. | Thyroid |
Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?
1. Insulin and glucagon
2. Thyroxine and insulin
3. Somatostatin and oxytocin
4. Cortisol and testosterone
The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :
1. pO2=95 and pCO2 = 40
2. pO2 = 159 and pCO2 =0.3
3. pO2 = 104 and pCO2=40
4. pO2 = 40 and pCO2=45
A pregnant female delivers a baby who suffers from stunted growth, mental retardation, low intelligence quotient and abnormal skin. This is the result of
1. Deficiency of iodine in diet
2. Low secretion of growth hormone
3. Cancer of the thyroid gland
4. Over secretion of pars distalis
Which of the following factors is responsible for the formation of concentrated urine?
| 1. | Hydrostatic pressure during glomerular filtration. |
| 2. | Low levels of antidiuretic hormone. |
| 3. | Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys. |
| 4. | Secretion of erythropoietin by Juxtaglomerular complex. |
Calcium is important in skeletal muscle contraction because it
| 1. | Detaches the myosin head from the actin filament |
| 2. | Activates the myosin ATPase by binding on it |
| 3. | Binds to troponin to remove the masking of active sites on actin for myosin |
| 4. | Prevents the formation of bonds between the myosin cross bridges and the actin filament |
When a neuron is at resting state, i.e., not conducting any impulse, the axonal membrane is
| 1. | equally permeable to both and ions |
| 2. | impermeable to both and ions |
| 3. | comparatively more permeable to ions and nearly impermeable to ions |
| 4. | comparatively more permeable to ions and nearly impermeable to ions |
Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.
1. Pleurisy
2. Pneumonia
3. Emphysema
4. Asthma
Contraction in gall is bladder stimulated by :
| 1. | CCK | 2. | PZ |
| 3. | Secretin | 4. | Enterogastrin |
Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
| Pairs of skeletal parts | Category | |
| 1. | Malleus and stapes | Ear ossicles |
| 2. | Sternum and ribs | Axial skeleton |
| 3. | Clavicle and glenoid cavity | Pelvic girdle |
| 4. | Humerus and ulna | Appendicular skeleton |
Photosensitive compound in the human eye is made up of:
| 1. Opsin and Retinal | 2. Opsin and Retinol |
| 3. Transducin and Retinene | 4. Guanosine and Retinol |
Given below is a diagrammatic cross-section of a single loop of human cochlea.
Which one of the following options correctly represents the names of the three different parts?
1. A:Perilymph, B:Tectorial membrane, C:Endolymph
2. B:Tectorial membrane, C:Perilymph, D:Secretory cells
3. C:Endolymph, D:Sensory hair cells, A:Serum
4. D:Sensory hair cells, A:Endolymph, B:Tectorial membrane
Match the items in Column - I with those in Column - II:
| Column - I | Column - II | ||
| (a) | Podocytes | (i) | Crystallised oxalate |
| (b) | Protonephridia | (ii) | Annelids |
| (c) | Nephridia | (iii) | Amphioxus |
| (d) | Renal calculi | (iv) | Filtration slits |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iii) | (ii) | (iv) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (ii) | (iii) | (i) |
ATPase enzyme needed for muscle contraction is located in
| 1. | Troponin | 2. | Myosin |
| 3. | Actin | 4. | Actinin |
Match the items given in Column-I with those in Column-II and select the correct option given below:
| Column-I | Column-II | ||
| a. | Glycosuria | i. | Accumulation of uric acid in joints |
| b. | Gout | ii. | Mass of crystallized salts within the kidney |
| c. | Renal calculi | iii. | Inflammation in glomeruli |
| d. | Glomerulonephritis | iv. | Presence of glucose in urine |
Options:
| a | b | c | d | |
| 1. | iii | ii | iv | i |
| 2. | i | ii | iii | iv |
| 3. | ii | iii | i | iv |
| 4. | iv | i | ii | iii |
Thickening of arteries due to cholesterol deposition is:
| 1. | atherosclerosis | 2. | rheumatic heart |
| 3. | blood pressure | 4. | cardiac arrest |
Out of ‘X’ pairs of ribs in humans, only ‘Y’ pairs are true ribs. Select the option that correctly represents values of X and Y and provides their explanation.
1. X = 12, Y = 15 True ribs are attached dorsally to vertebral column and sternum on the two ends
2. X = 24, Y = 7 True ribs are dorsally attached to vertebral column but are free on ventral side
3. X = 24, Y = 12 True ribs are dorsally attached to vertebral column but are free on ventral side
4. X = 12, Y = 7 True ribs are attached dorsally to vertebral column and ventrally to the sternum
The initial step in the digestion of milk in an infant is carried out by:
| 1. Lipase | 2. Trypsin |
| 3. Rennin | 4. Pepsin |
Doctors use a stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when
| 1. | AV valves open up |
| 2. | Ventricular walls vibrate due to gushing in of blood from atria |
| 3. | Semilunar valves close down after the blood flows into vessels from ventricles |
| 4. | AV node receives the signal from SA node |
The majority of carbon dioxide produced by our body cells is transported to the lungs:
1. dissolved in the blood
2. as bicarbonates
3. as carbonates
4. attached to haemoglobin
Epithelial cells of the intestine involved in food absorption have on their surface:
| 1. Zymogen granules | 2. Pinocytic vesicles |
| 3. Phagocytic vesicles | 4. Microvilli |
Which of the following terms describe human dentition?
1. Thecodont, Diphyodont, Homodont
2. Thecodont, Diphyodont, Heterodont
3. Pleurodont, Monophyodont, Homodont
4. Pleurodont, Diphyodont, Heterodont
Select the correct match of the digested products in humans given in column I with their absorption site and mechanism in column II.
| Column I | Column II | |
| 1. | Glycines and Glucose | Small intestine and active absorption |
| 2. | Fructose and Na+ | Small intestine and passive absorption |
| 3. | Glycerol and Fatty acids | Duodenum and move as chylomicrons |
| 4. | Cholesterol and Maltose | Large intestine and active absorption |
Listed below are four respiratory capacities (1-4) and four jumbled respiratory volumes of a normal human adult.
| Respiratory capacities | Respiratory volume | |
| (a) | Residual volume | 2500 mL |
| (b) | Vital capacity | 3500 mL |
| (c) | Inspiratory reserve volume | 1200 mL |
| (d) | Inspiratory capacity | 4500 mL |
Which one of the following is the correct matching of two capacities and volumes?
1. (a) 2500 mL, (d) 4500 mL
2. (c) 1200 mL, (a) 2500 mL
3. (b) 4500 mL, (c) 2500 mL
4. (d) 4500 mL, (b) 3500 mL
The vitamin nicotinamide can be synthesized in our body from
| 1. tyrosine | 2. tryptophan |
| 3. valine | 4. phenylalanine |
Sliding filament theory can be best explained as
| 1. | when myofilaments slide pass each other, actin filaments shorten while myosin filaments do not shorten |
| 2. | actin and myosin filaments shorten and slide pass each other |
| 3. | actin and myosin filaments do not shorten but rather slide pass each other |
| 4. | when myofilaments slide pass each other, myosin filaments shorten while actin filaments do not shorten |
Select the correct events that occur during inspiration.
(a) Contraction of diaphragm
(b) Contraction of external inter-costal muscles
(c) Pulmonary volume decreases
(d) Intra pulmonary pressure increases
| 1. | (c) and (d) | 2. | (a), (b) and (d) |
| 3. | only (d) | 4. | (a) and (b) |
Good vision depends on adequate intake of carotene rich food.
Select the best option from the following statements:
I. Vitamin-A derivatives are formed from carotene.
I. The photo pigments are embedded in the membrane discs of the inner segment.
III. Retinal is a derivative of vitamin-A.
IV. Retinal is a light absorbing part of all the visual photo pigments.
| 1. (I) and (II) | 2. (I), (III) and (IV) |
| 3. (I) and (III) | 4. (II), (III) and (IV) |
Which of the following process of urine formation takes place all along the renal tubule and collecting duct?
1. Ultrafiltration and tubular reabsorption
2. Ultrafiltration and tubular secretion
3. Tubular reabsorption and secretion
4. Anti-current mechanism and reabsorption
Which of the following is used in the treatment of Thyroid cancer:
| 1. I131 | 2. U238 |
| 3. Ra224 | 4. C14 |
Which one of the following statements is correct with respect to kidney function regulation?
| 1. | Exposure to cold temperature stimulates ADH release |
| 2. | An increase in glomerular blood flow stimulates the formation of angiotensin II |
| 3. | During summer when the body loses a lot of water by evaporation, the release of ADH is suppressed |
| 4. | When someone drinks a lot of water, ADH release is suppressed |
What would be the heart rate of a person if the cardiac output is 5L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
1. 125 beats per minute
2. 50 beats per minute
3. 75 beats per minute
4. 100 beats per minute
Which of the following statements is correct?
| 1. | The ascending limb of the loop of Henle is impermeable to water |
| 2. | The descending limb of the loop of Henle is impermeable to water |
| 3. | The ascending limb of the loop of Henle is permeable to water |
| 4. | The descending limb of the loop of Henle is permeable to electrolytes |
Graves' disease is caused due to?
1. hyposecretion of thyroid gland
2. hypersecretion of thyroid gland
3. hyposecretion of adrenal gland
4. hypersecretion of adrenal gland
Select the correct statement regarding the specific disorder of muscular or skeletal system.
| 1. | Myasthenia gravis - Autoimmune disorder which inhibits sliding of myosin filaments. |
| 2. | Gout - Inflammation of joints due to extra deposition of calcium. |
| 3. | Muscular dystrophy - Age related shortening of muscles. |
| 4. | Osteoporosis - Decrease in bone mass and higher chances of fractures with advancing age. |
Which of the following statements is not correct?
1. An action potential in an axon does not move backward because the segment behind is in a refractory phase.
2. Depolarization of hair cells of cochlea results in the opening of the mechanically gated Potassium- ion channels.
3. Rods are very sensitive and contribute to daylight vision.
4. In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.
Match the following joints with the bones involved:
| Column-I | Column-II | ||
| (a) | Gliding joint | (i) | Between carpal and metacarpal of thumb |
| (b) | Hinge joint | (ii) | Between Atlas and Axis |
| (c) | Pivot joint | (iii) | Between the Carpals |
| (d) | Saddle joint | (iv) | Between Humerus and Ulna |
Select the correct option from the following:
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (iv) | (ii) | (i) |
| 2. | (iv) | (i) | (ii) | (iii) |
| 3. | (iv) | (ii) | (iii) | (i) |
| 4. | (i) | (iii) | (ii) | (iv) |