Test # 13: Full Syllabus (38 Chapters)Contact Number: 8527521718Test # 13: Full Syllabus (38 Chapters)Contact Number: 8527521718Removal rate of carbon dioxide by lungs is approximately:
| 1. | 125 ml/minute | 2. | 200 ml/minute |
| 3. | 280 ml/minute | 4. | 325 ml/minute |
The graph below shows tracing of pulmonary volumes during spirometery of a person. Identify A, B, C and D respectively:
1. IRV, TV, ERV and RV
2. IRV, TV, RV and ERV
3. ERV, TV, IRV and RV
4. ERV, IRV, RV and TV
A leakage of plasma out of the blood capillaries will lead to:
1. A decrease in plasma proteins
2. Increased hematocrit
3. Polycythemia
4. Hemolysis
The given diagram shows a section of a part of cochlea. A, B and C respectively are:
1. Reissner’s membrane, Basilar membrane and Tectorial membrane
2. Reissner’s membrane, Tectorial membrane and Basilar membrane
3. Basilar membrane, Tectorial membrane and Reissner’s membrane
4. Tectorial membrane, Reissner’s membrane and Basilar membrane
The space between the cornea and the lens in human eye is filled with:
| 1. Aqueous humor | 2. Vitreous humor |
| 3. Lymph | 4. Air |
The correct sequence of development of embryonic stages in humans is:
| 1. | Zygote → Blastula → Blastocyst |
| 2. | Zygote → Gastrula → Blastula |
| 3. | Zygote → Blastocyst → Gastrula |
| 4. | Zygote → Gastrula → Blastocyst |
In the ‘test–tube baby’ procedure:
| 1. | Fertilization is in-vitro but embryo development is in-vivo |
| 2. | Fertilization is in-vivo but embryo development is in-vitro |
| 3. | Both fertilization and embryo development are in-vitro |
| 4. | Both fertilization and embryo development are in-vivo |
In the beginning, the newly formed secondary follicles contain:
| 1. | Primary oocyte | 2. | Secondary oocyte |
| 3. | Ootid | 4. | Mature ovum |
The mucus and bicarbonates present in the gastric juice play an important role in:
1. providing an alkaline medium for enzyme action.
2. lubrication and protection of the mucosal epithelium from excoriation by the highly
concentrated hydrochloric acid.
3. converting the bolus into a paste like chyme.
4. providing an acidic medium for enzyme action.
Consider the functions given:
| I: | Stimulation of synthesis of androgens |
| II: | Regulation of spermatogenesis |
| III: | Induction of ovulation |
| IV: | Maintenance of corpus luteum |
The functions of LH will include:
| 1. | I, II and III only | 2. | I, III and IV only |
| 3. | II, III and IV only | 4. | I, II, III and IV |
Identify the appendage present on the surface of some bacterial cells that help attach them to rocks in streams and also to the host tissues:
| 1. | Flagella | 2. | Pili |
| 3. | Fimbriae | 4. | Cilia |
Which of the following distinguishes the prophase I of meiosis from the prophase of mitosis?
1. homologous chromosomes pair up
2. spindle forms
3. nuclear membrane breaks down
4. chromosomes become visible
A molecule of ATP is structurally most similar to :
1. RNA nucleotide
2. DNA nucleotide
3. amino acid
4. fatty acid
The figure shows two parameters that can be used as a measure of pollution levels in sewage water. The red and blue color shows the change in the levels of these parameters during sewage water treatment. A and B respectively can be:
| 1. | BOD and COD | 2. | BOD and DO |
| 3. | DO and BOD | 4. | Organic matter and BOD |
Look at the given hypothetical vector-
Suppose we cut the desired gene as well as the plasmid with the help of the Restriction enzyme EcoR I and ligate them. What would be true?
| 1. | Kanamycin resistance will select the transformants from non-transformants while tetracycline resistance will select recombinant transformants from non-recombinant transformants. |
| 2. | Tetracyclin resistance will select the transformants from non-transformants while kanamycin resistance will select recombinant transformants from non-recombinant transformants. |
| 3. | Both will select only transformants. |
| 4. | Both will select only recombinants. |
The first mammals arose in the _____ period:
1. Carboniferous
2. Jurassic
3. Cretaceous
4. Triassic
Which of the following is not a proposition of Lamarckism?
| 1. | Living organisms or their component parts tend continually to increase in size |
| 2. | Production of new organs results from a new need due to a change in the environment |
| 3. | If an organ is used constantly, it tends to get developed, whereas disuse results in degeneration |
| 4. | Modifications produced by the above mechanisms during the lifetime of an individual will not be inherited |
ELISA is based on the principle of:
1. Antibody opsonization
2. Antigen-antibody interaction
3. Radioactive immune assay
4. Creation of recombinant DNA
Under conditions where methionine must be the first amino acid, what protein would be coded for by the following mRNA?
5'-CCUCAUAUGCGCCAUUAUAAGUGACACACA-3'
| 1. | pro his met arg his tyrlyscys his thr |
| 2. | met arg his tyrlyscys his thr |
| 3. | met arg his tyrlys |
| 4. | met pro his met arg his tyrlyscys his thr |
The gene for the enzyme Phenylalanine hydroxylase is located on chromosome:
1. 7
2. 11
3. 12
4. X
The Indian Agricultural Research Institute, New Delhi, has released several vegetable crops that are rich in vitamins and minerals. Identify the incorrectly matched:
| 1. | vitamin A enriched: carrots, spinach, pumpkin; |
| 2. | vitamin C enriched: bitter gourd, bathua, mustard, tomato; |
| 3. | iron and calcium enriched: spinach and bathua; |
| 4. | Omega fatty acids enriched: beans - broad, lablab, French and garden peas. |
Identify the incorrect statement regarding water-pollinated flowers:
| 1. | Pollination by water is rare and is seen in monocotyledons mostly |
| 2. | Pollen grains in most are covered by a mucilaginous covering |
| 3. | Produce nectar |
| 4. | Are not very colourful |
Cleistogamous flowers are:
| 1. | Mostly autogamous | 2. | Invariably autogamous |
| 3. | Mostly xenogamous | 4. | Invariably xenogamous |
Which of the following is not a hallucinogenic drug?
| 1. | LSD | 2. | Mescaline |
| 3. | Morphine | 4. | Hashish |
The length of DNA in a typical mammalian cell is approximately:
1. 1.1 meter
2. 1.5 meter
3. 2.2 meter
4. 3.3 meter
In sickle cell anaemia, the mutant haemoglobin molecule undergoes:
| 1. | Polymerisation under low oxygen tension causing changes in the shape of the RBC to a sickle-like structure |
| 2. | Depolymerisation under low oxygen tension causing that changes the shape of the RBC to a sickle-like structure |
| 3. | Denaturation under high oxygen tension causing changes in the shape of the RBC to a sickle-like structure |
| 4. | Denaturation |
Both cats and dogs belong to same:
| 1. | species | 2. | genus |
| 3. | family | 4. | order |
Gracilaria and Gelidium, that are source of Agar, belong to:
| 1. | Chlorophyceae | 2. | Rhodophyceae |
| 3. | Phaeophyceae | 4. | Fungi |
Unicellular eukaryotic organisms belong to Kingdom:
1. Monera
2. Protista
3. Plantae
4. Fungi
In Linnaeus’ times the living organisms were placed in:
1. One kingdom
2. Two kingdoms
3. Three kingdoms
4. Four kingdoms
What are the structures labeled A, B, C and D respectively in the given diagram?
| 1. | Dendrites, Soma, Axon, Terminal nerve endings |
| 2. | Dendrites, Soma, Cyton, Terminal nerve endings |
| 3. | Terminal nerve endings, Soma, Axon, Dendrites |
| 4. | Terminal nerve endings, Soma, Perikaryon, Dendrites |
Animals with bilateral symmetry have all the following except:
1. Anterior and posterior end
2. Right and left half
3. Dorsal and ventral surface
4. Oral and aboral surface
Identify the tissue system from among the following:
| 1. Parenchyma | 2. Xylem |
| 3. Epidermis | 4. Phloem |
In some leguminous plants the leaf base may become swollen and is called as:
1. Stipule
2. Pulvinus
3. Sheath
4. Hydathode
After fertilization, the ovules develop into _____ and ovary matures into ______.
| 1. | Fruit, Seeds | 2. | Seeds, Fruit |
| 3. | Seeds, Seed coat | 4. | Embryo, Endosperm |
The presence of mutable collagenous tissue is an important feature of:
1. Annelida
2. Echinodermata
3. Porifera
4. Molluska
Formation of tropical forests needs mean annual temperature and mean annual precipitation as:
1. 18 – 25 °C and 150 – 400 cm
2. 5 – 15 °C and 50 – 100 cm
3. 30 - 50°C and 100 – 150 cm
4. 5 – 15 °C and 100 – 200 cm
Among the following, which one causes the maximum indoor chemical pollution?
1. Burning coal
2. Burning cooking gas
3. Burning mosquito coil
4. Room spray
An increase in concentration of the intoxicant at successive trophic levels is known as:
| 1. | Eutrophication | 2. | Biomagnification |
| 3. | Bioremediation | 4. | Biofortification |
The one-horned rhinoceros is specific to which of the following sanctuary?
| 1. | Bhitarkanika | 2. | Bandipur |
| 3. | Kaziranga | 4. | Corbett park |
Pyramid of numbers is :
1. Always upright
2. Always inverted
3. Either upright or inverted
4. Neither upright nor inverted
Organisms that are capable of conversion of inorganic material into organic material with the help of the radiant energy of the sun include:
| I: | Plants |
| II: | Photosynthetic bacteria |
| III: | Chemosynthetic bacteria |
| 1. | I only | 2. | I and II only |
| 3. | I and III only | 4. | I, II, and III |
According to Allen’s rule:
| 1. | Mammals from colder climates generally have shorter appendages |
| 2. | Mammals from colder climates generally have longer appendages |
| 3. | Mammals from colder climates generally have smaller body size |
| 4. | Mammals from colder climates generally have larger body size |
The site of perception of light/dark duration in plants is:
1. Root apex
2. Shoot apex
3. Flower
4. Leaves
Cytochrome c is found:
| 1. | attached to outer surface of the inner mitochondrial membrane |
| 2. | attached to inner surface of the inner mitochondrial membrane |
| 3. | in the inter membrane space |
| 4. | in the mitochondrial matrix |
The bundle sheath cells are characterized by:
| I: | a large number of chloroplasts present in them |
| II: | thick cell walls impervious to gas exchange |
| III: | large intercellular spaces |
| 1. Only I and II | 2. Only I and III |
| 3. Only II and III | 4. I, II and III |
In sec 11.4, NCERT, it is mentioned that transpiration is affected by the canopy structure. This means that transpirational loss is lower in shaded leaves compared to sun exposed leaves higher in canopy. What would not be a reason for this?
1. Lower stomatal conductance
2. Lower leaf temperature
3. Lower air humidity
4. Lower air turbulence
Removal of proximal convoluted tubule from the nephron will result in
1. More dilute urine
2. More concentrated urine
3. No change in quality and quantity of urine
4. No urine formation
Select the correct matching of the characteristics and an example of a synovial joint in humans:
|
Characteristics |
Examples |
|
|
1. |
Fluid cartilage between two bones, limited movements |
Knee joint |
|
2. |
Fluid filled between two joints, provide cushion |
Skull bones |
|
3. |
Fluid filled synovial cavity between two bones |
Joint between atlas and axis |
|
4. |
Lymph filled between two bones, limited movement |
Gliding joint between carpals |
A diagram showing axon terminal and synapse is given. Identify correctly at least two of a-d.
1. a-Receptor, c-Synaptic vesicles
2. b-Synaptic connection, d-K+
3. a-Neurotransmitter, b-Synaptic cleft
4. c-Neurotransmitter, d-Ca++
The hemoglobin content per 100 mL of blood of a normal healthy human adult is
1. 25-30 g
2. 17-20 g
3. 12-16 g
4. 5-11 g
Which hormones do stimulate the production of pancreatic juice and bicarbonate?
1. Gastrin and insulin
2. Cholecystokinin and secretin
3. Insulin and glucagon
4. Angiotensin and epinephrine
The test tube baby programme employs which one of the following techniques?
1. Gamete intra fallopian transfer (GIFT)
2. Zygote intra fallopian transfer (ZIFT)
3. Intra cytoplasmic sperm injection (ICSI)
4. Intra uterine insemination (IUI)
About which day in normal human menstrual cycle does rapid secretion of LH (popularly called LH surge) normally occurs?
1. 11th day
2. 14th day
3. 20th day
4. 5th day
Where does certain symbiotic microorganism normally occur in human body?
1. Vermiform appendix and rectum
2. Duodenum
3. Caecum
4. Oral lining and tongue surface
In transgenics, the expression of transgene in the target tissue is known by
1. Enhancer
2. Transgene
3. Promoter
4. Reporter
Spliceosomes are not found in cells of
1. Plants
2. Fungi
3. Animals
4. Bacteria
Antiparallel strands of DNA molecules means:
| 1. | One strand turns clockwise |
| 2. | One strand turns anticlockwise |
| 3. | Phosphate groups of the two strands share the same position on their ends |
| 4. | Phosphate groups at the start of the DNA strands are in the opposite position |
Proximal end of the filament of stamen is attached to the:
1. Thalamus or petal
2. Anther
3. Connective
4. Placenta
Wind pollination is common in:
1. Legumes
2. Lilies
3. Grasses
4. Orchids
Which one of the following is not applicable to RNA?
1. 5’ phosphoryl and 3’ hydroxyl ends
2. Heterocyclic nitrogenous bases
3. Chargaff’s rule
4. Complementary base pairing
Consider the following four statements (a-d) and select the option which includes all the correct ones only.
(a) Single cell Spirulina can produce large quantities of food rich in protein, minerals, vitamins etc.
(b) Body weight-wise the microorganism Methylophilusmethylotrophus may be able to produce several times
more proteins than the cows per day
(c) Common button mushrooms are a very rich source of vitamin C
(d) A rice variety has been developed which is very rich in calcium.
Options :
1. Statements (c), (d)
2. Statements (a), (c) and (d)
3. Statements (b), (c) and (d)
4. Statements (a), (b)
A major component of gobar gas is:
| 1. | Methane | 2. | Ethane |
| 3. | Butane | 4. | Ammonia |
Vegetative propagation in Pistia/Water Hyacinth occurs by
1. Sucker
2. Runner
3.Offset
4. Stolon
Which of the following is not a characteristic feature during mitosis in somatic cells?
1. Spindle fibres
2. Disappearance of nucleolus
3. Chromosome movement
4. Synapsis
Male gametophyte with least number of cells is present in:
1. Pteris
2. Funaria
3. Lilium
4. Pinus
Chrysophytes, Euglenoids, Dinoflagellates and slime moulds are included in the kingdom:
1. Animalia
2. Monera
3. Protista
4. Fungi
The wheat grain has an embryo with one, large, shield-shaped cotyledon known as:
1. Coleorrhiza
2. Scutellum
3. Coleoptile
4. Epiblast
Stomata in grass leaf are
| 1. | Dumb-bell shaped | 2. | Barrel shaped |
| 3. | Rectangular | 4. | Kidney shaped |
Which of the following features is not present in Periplaneta americana?
1. Metamerically segmented body
2. Schizocoelom as body cavity
3. Indeterminate and radial cleavage during embryonic development
4. Exoskeleton composed of N-acetylglucosamine
In case of poriferans, the spongocoel is lined with flagellated cells called :
1. ostia
2. oscula
3. choanocytes
4. mesenchymal cells
Which of the following is the best evidence for the 'Lock-and-key model' of enzyme action?
1. all isolated enzymes have been identified as proteins
2. compounds similar in structure to the substrate inhibit the reaction
3. enzymes are found in living organisms and speed up certain reactions
4. enzymes determine the direction of reaction
Which one of the following statements in not valid for aerosols
1. They are harmful to human health
2. They alter rainfall and monsoon patterns
3. They cause increased agricultural productivity
4. They have negative impact on agricultural land
Highest value in g//yr of a grassland ecosystem would be
1. Gross primary production
2. Net primary production
3. Secondary production
4. Tertiary production
The population of an insect species shows an explosive increase in number during rainy season followed by its disappearance at the end of the season. What does this show?
| 1. | The population of its predators increases enormously |
| 2. | S-shaped or sigmoid growth of this insect |
| 3. | The food plants mature and die at the end of the rainy season |
| 4. | Its population growth curve is of J-type |
In respiration from 180g of glucose, which of the following is formed?
1. 264gm +190gm + 391 Kcal
2. 264gm +108gm + 686 Kcal
3. 390gm +108gm + 686 Kcal
4. 390gm + 264gm + 391 Kcal
During photorespiration, the oxygen consuming reaction (s) occur in
1. Stroma of chloroplasts and mitochondria
2. Stroma of chloroplasts and peroxisomes
3. Grana of chloroplasts and peroxisomes
4. Stroma of chloroplasts
A plant requires magnesium for
| 1. holding cells together | 2. protein synthesis |
| 3. chlorophyll synthesis | 4. cell wall development |
Which of the following helps in ascent of sap?
1. Root pressure
2. Transpiration
3. Capillarity
4. All of the above
Which of the following match is correct?
1. Emphysema : reduction of surface area of alveoli and bronchi
2. Pneumonia : occupational disease with asbestos
3. Silicosis : inflammation of alveoli
4. Asthma : excessive secretion of bronchial mucus
Identify the correct statement on ‘inhibin'
1. Is produced by granulosa cells in ovary and inhibits the secretion of FSH
2. Is produced by granulosa cells in ovary and inhibits the secretion of LH
3. Is produced by nurse cells in testes and inhibits the secretion of LH
4. Inhibits the secretion of LH, FSH and prolactin
Fight or flight reactions cause activation of
| 1. | the parathyroid glands, leading to increased metabolic rate |
| 2. | the kidney, leading to suppression of renin-angiotensin-aldosterone pathway |
| 3. | the adrenal medulla, leading to increased secretion of epinephrine and norepinephrine |
| 4. | the pancreas leading to a reduction in the blood sugar levels |
The exploitation of bioresources of a nation by multinational companies without authorization from the concerned country is referred to as:
1. Bioweapon
2. Biopiracy
3. Bioethics
4. Biowar
The decline in the population of Indian native fishes due to the introduction of Clarias gariepinus in the river Yamuna can be categorised as:
| 1. | Co-extinction |
| 2. | Habitat fragmentation |
| 3. | Over-exploitation |
| 4. | Alien species invasion |
Humans have acquired immune system that produces antibodies to neutralize pathogens. Still innate immune system is present at the time of birth because it
| 1. | is very specific and uses different macrophages, |
| 2. | produces memory cells for mounting fast secondary response. |
| 3. | has natural killer cells which can phagocytose and destroy microbes |
| 4. | provides passive immunity. |
If an agricultural field is liberally irrigated for a prolonged period of time, it is likely to face a problem of :
1. Metal toxicity
2. Alkalinity
3. Acidity
4. Salinity
Select the correct match
1. Phenylketonuria - Autosomal dominant trait
2. Sickle cell anemia - Autosomal recessive trait chromosome - 11
3. Thalassemia - X linked
4. Haemophilia - Y linked
After about how many years of the formation of the earth, life appeared on this planet?
(1) 500 billion years
(2) 50 million years
(3) 500 million years
(4) 50 billion years
Inclusion bodies of blue-green, purple, and green photosynthetic bacteria are :
1. Contractile vacuoles
2. Gas vacuoles
3. Centrioles
4. Microtubules