RESPONSE AND CHEMICAL COORDINATION IN PLANTS AND ANIMALS
1) Identify which of the following statement is not true regarding adrenaline--
a) increase the rate of heartbeat
b) helps in the production of the spermatozoa during adolescence
c) increase cardiac output
d) increases systolic blood pressure.
2) Select the correct pair-
a) cerebrum- maintenance of balance of the body.
b) hypothalamus - control of intelligence and emotion
c) cerebellum- control of body temperature
d) medulla oblongota- control of heartbeat and swallowing of food.
3) Identify which of the following statements is not true regarding insulin-
a) helps in the absorption of glucose from blood into most of the somatic cells.
b) converts glucose into glycogen within liver and muscle cells.
c) helps in the conversion of fat and protein into glucose
d) inhibats the conversion of protein and fat into glucose.
4) Read the following sentence and identify the sentence which is not correct-
a) FSH, LH and prolactin are different types of GTH
b) adrenaline decrease cardiac output
c) insulin facilitates the absorption of glucose into the cell through cell membrane
d) Progesterone helps in the formation of placenta in female body
5) In case of women, the Follicle Stimulating Hormone which stimulates Graffian Follicle of the Ovary to secrete the hormone, is
a) TSH b) ADH c) Oestrogen d) ACTH
6) A person affected with Diabetes Mellitus is unable to secrete which of the following hormones in adequate quantity ?
a) Adrenaline b) Insulin c) Thyroxine d) Testosterone
7) Which of the following hormones is related with Diabetes Insipidus?
a) STH b) ADH c) Oxytocin d) ICSH
8) Which of the following is not a source of Auxin?
a) Apical meristematic cell
b) Immature leaves
c) Buds d) coconut milk
9) Which of the following is not a sex hormone ?
a) testosterone b) Insulin c) Oestrogen d) Progesterone
10) Which of the following is the source of Gibberellin?
a) Apple
b) the endosperm of the maize
c) coconut water
d) the cotyledons of seed and germinating seed
11) Which of the following is not the function of Oestrogen
a) Express sexual character during puberty
b) fat deposition under the skin
c) to prepare uterine wall for implanting fertilized egg
d) controls menstrual cycle
12) The mixed gland is-
a) thyroid b) adrenal c) pancreas d) pituitary
13) Which of the following animal hormone is not secreted from Anterior pituitary?
a) GTH b) STH c) TSH d) Testosterone
14) The hormone of the emergency is
a) insulin b) Adrenaline c) thyroxine d) oestrogen
15) Which of the following instruments measures the secretion of plant ?
a) Microscope b) seismograph c) telescope d) Cresscograph.
16) The secretion of oestrogen is controlled by the secretion of
a) FSH b) LH c) ACTH d) ADH
17) Which of the following is not the function of Adrenaline hormone ?
a) control a blood pressure
b) control of sweating
c) control of respiration rate
d) to control the fertilizing capacity of sperms
18) What is the function of CSF ?
a) controls intelligence
b) maintenance pressure within the skull
c) controls eating
d) controls reflex action
19) Which hormone controls the secretion of thyroxine ?
a) ACTH b) STH c) TSH d) FSH
20) Which of the following is the site of function of Gibberellin?
a) apical meristematic cell
b) immature leaves
c) buds d) coconut milk
21) which hormone is secreted at a faster rate while a person is frightened ?
a) GH b) GTH c) thyroxine d) adrenaline
22) Which of the following hormones controls the amount of glucose in blood ?
a) insulin b) TSH c) FSH d) none.
23) Which hormone delay leaf senescence?
a) Auxin b) Gibberellin c) cytokinin d) IAA
4/10/24
COORDINATION IN LIVING ORGANISMS
1) Select which of the following is the feature of tropic movement-
a) induced movement of curvature the particular parts of plant controlled by the direction in the stimulus.
b) It is one type of turgor movement.
c) induced movement of curvature of particular parts of plant controlled by the intensity of the stimulus.
d) Does not occur under the influence of Auxin.
2) Select which of the following statements is correct related to tropic movement--
a) it is controlled by the intensity of the stimulus.
b) Overall change of place takes place by a plant or part of the plant.
c) This movement is observed in the algae called volvox.
d) it is an induced movement of curvature controlled by the direction of the stimulus.
3) The tentacles on leaves of an insectivorous plant, called Sundew, bend to trap the insect as soon as they come in contact with the insect body. This is -
a) Seismonasty
b) Thermonasty
c) Photonasity
d) chemonasty
4) Some flowers open after sunrise and close after sunset. This is an example of--
a) Photonasty b) Seismonasty c) Chemonasty d) Thermonasty
5) The stimulant of Chemonastic movement is-
a) light b) chemicals c) touch d) temperature
6) Sunflower blooms in bright light, it is an example of-
a) thermonsty b) Seismonasty c) chemonasty d) Photonasty.
7) The leaves of Mimosa plant drop down if touched. This is-
a) chemonasty b) Seismonasty c) phototropism d) phototactic movement.
8) The instrument with which Sir J. C. Bose proved the phenomena of reacting to stimulus is
a) seismograph b) cresscograph c) lithograph d) sonometer.
9) The moment of fern antherozoid to archegonium is called
a) Photonasty b) chemonasty c) nyctinasty d) Seismonasty
10) The tactic moment controlled by electric current is
a) hydrotactic b) thermotactic c) rheotactic d) galvanotactic
11) The moment of Dorsal leaflet towards insect is called
a) Photonasty b) chemonasty c) nyctinasty d) Seismonasty
12) The plant movement depending upon the intensity of the stimulus is
a) tactic b) tropic c) nastic d) variation
13) In comparison to geotropism, which one is a Greater force ?
a) chemotropism b) phototropism c) thigmotrophism d) phototropism
14) Primary root is --(1) positively geotropic (2) positively hydrotropic (3) negative geotropic
a) 1,3 correct b) 2,4 correct c) 1,2 correct d) 1,2,3 correct
15) The movement of the tendril of pea is
a) nutation b) circumnutation c) phototropism d) thigmotrophism
1) The P- V graphs of Boyle's Law related to gas is
2) What is the value of PV for 11.2 litres of an ideal gas at STP ?
a) 2RT b) RT c) 0.5RT d) 11.2 RT.
3) According to Boyle 's law, which of the following is the PV-Pgraph ?
4) Which of the following is the SI unit of pressure ?
a) Nm² b) Nm⁻² c) Nm d) N.
5) Vapour density of gase is 32. Which of the following is its molecular weight ?
a) 8 b) 16 c) 32 d) 64
6) At what pressure 500cc gas at a certain temperature and under 76cm pressure will have 400cc volume ?
a) 100cm b) 200 cm c) 95cm d) none
7) The volume of a given mass of a gas 30°C and 765 Pa pressure is 15m³. What will be the volume of the gas at the same temperature and under 1.530x10² Nm⁻² pressure ? (given 1 Pa = 1Nm⁻²)
a) 7.5m³ b) 30m³ c) 12m³ d) 20m³
8) Choose the false statement among the following :
a) P vs 1/V plot is parallel to x-axis .
b) P vs V plot at constant temperature is a rectangular hyperbola.
c) V vs plot is a straight line passing through the origin.
d) PV vs P plot is a straight line parallel to x-axis.
9) For equal quantity of heat supplied to different gases taken in vessels of same volume, expension of the gases is
a) different b) equal c) both of them d) none
10) If V₁ = V₀(1+ t/273) at which temperature the volume of a gas will be zero ?
a) 273°C b) - 273°C c) 0°C d) -32°C
11) At a constant pressure with the increasing in temperature, the density of a gas
a) does not change b) decreases c) increases d) increases or decreases depending on the gas.
12) if the pressure is doubled for a fixed mass of an ideal gas at a constant temperature, its volume becomes
a) 4 times b) 0.5 times c) 2 times d) remains same.
13) Value of 'R' in litre-atmosphere is
a) 1.987 b) 1 c) 0.082 d) 4.
14) at6 high temperature and low pressure, each gas behaves as
a) real gas b) Boyle's gas c) ideal gas d) Charle's gas.
15) Which one of the following is not a unit of pressure ?
a) atm b) kb c) mm of Hg d) torr
16) Pressure of a gas in a closed vessel is
a) greater in downward direction
b) less in lateral and upward directions
c) equal in all directions d) none of these
17) A certain mass of gas is heated from 0°C to 273°C at constant q. Find the relation between the final and the initial volumes of the gas.
a) final voris thrice the initial volume
b) final volume is twice the initial volume
c) final volume is half the initial volume d) none
18) Volume of a bubble rising upwards from deep below water
a) decreases b) remain same c) increases d) none
19) Mathematical expression of Guy-Lussac's law is
a) P/T = constant b) P= 1/T c) P= kV d) PT = k
20) Number of electrons present in 1 gram H⁺ ions is
a) 6.023 x 10²³ b) 0 c) 12.046 x 10²³ d) none
21) The equation of state for 1 mole of an ideal gas is
a) PV= RT b) PV= nRT c) PV= kT/2 d) PV= nkT
22) The average kinetic energy of each molecule of a gas is
a) kT/2 b) 3RT/2 c) 3RT/2n d) 3RT/2N₀
23) A gas filling a small vial when transferred to a large closed bottle, the gas occupies____
a) very small part in the bottle
b) half part of the bottle
c) full part of the bottle d) none
24) Average kinetic energy of gas molecule is
a) inversely proportional to Absolute temperature
b) proportional to Absolute temperature
c) square of Absolute temperature d) none
25) Under normal pressure boiling point of water in kelvin scale is
a) 100K b) 373K c) 273K d) none
26) What is the mass of 6.023 x 1023 oxygen atoms
a) 6g b) 20g c) 14 g d) 16g
27) The volume of 0.7g of a gaseous compound at STP is 140 ml. What is its molecular weight ?
a) 70 b) 140 c) 100 d) 112
28) What is the number of oxygen atoms in 0.2 mole of CO₂ ? (given, C=12, O= 16)
a) 3.0125 x 1023 b) 6.023 x 1023 c) 12.046 x 1023 d) 0
29) Vapour density of ammonia is 8.5. What is the mass of 2 moles of the gas.
a) 34g b) 25g c) 7g d) 14g
30) What is the number of nitrogen atoms in 22.4 litres of nitrogen gas at STP?
a) 3.0125 x 1023 b) 6.023 x 1023 c) 12.046 x 1023 d) 0
31) Gas deviates from ideal gas nature because molecules
a) are colourless b) attract each other c) contains covalent bond d) show Brownian movement
32) kinetic theory of gases proves
a) only Boyle's Law b) only Charle's law c) only Avogadro's law d) all of these
33) the constant in Charle's law are
a) pressure and mass of gas
b) mass of gas and pressure
c) pressure and temperature d) none
34) A gas occupies 840ml at 14°C and 722 mm pressure. Its volume at STP will be
a) 759ml b) 75.9ml c) 7.59ml d) 0.759ml
35) Mathematical expression of Boyle's law is
a) V∞ 1/P b) V= k/P c) PV = k d) all of them
36) What is the number of molecules in 9 g water ?
a) 6.032 x1023 b) 12.046 x 1023 c) 3.0115 x 1023 d) none
37) 0.32 gram of a gas occupies 224 volume at NTP. What is its the molecular weight ?
a) 32 b) 42 c) 52 d) 62
MULTIPLE CHOICE QUESTIONS
CONCERNS ABOUT OUR ENVIRONMENT
1) Which layer of atmosphere has the greatness density ?
a) troposphere b) stratosphere c) mesosphere d) thermosphere
2) Which among the following gases does not help in the depletion of the ozone in the ozone layer ?
a) NO b) NO₂ c) CFC d) CO₂
3) which among the following gases absorb long wavelength infrared radiation emitted from the earth's surface ?
a) N₂ b) O₂ c) CH₄ d) He
4) Which of the following greenhouse gases has maximum contribution towards global warming ?
a) N₂O b) CH₄ c) CO₂ d) H₂O vapour
5) Which of the following is not a greenhouse gas ?
a) methane b) water vapour c) carbon dioxide d) oxygen
6) The atmosphere layer in the which ozone layer exist is
a) troposphere b) stratosphere c) mesosphere d) thermosphere
7) Which is especially used for radio-communication ?
a) Stratosphere b) troposphere c) mesosphere d) thermosphere
8) Due to the normal lapse rate temperature decrease with height at an average rate of 1°C per____ of height above sea level.
a) 167m b) 157m c) 162m d) 155m
9) The gas causing maximum destruction to ozone layer is
a) carbon dioxide b) chlorofluorcarbon c) methane d) none of the above
10) The primary greenhouse gas is
a) carbon dioxide b) oxygen c) ozone d) none
11) An example of non conventional energy is
a) coal b) geothermal Power c) mineral oil d) none
12) The main constituent of LPG is
a) butane b) ethane c) butanone d) methane
13) if the ozone layer becomes THINNER, the Earth's surface will receive much more amount of the Sun's:
a) light rays b) Gamma rays c) ultraviolet rays d) none
14) Of the total energy requirement in India, coal and biosmass fuel supply about:
a) 50% b) 30% c) 40% d) none
15) Cooking without fuel is possible in:
a) gas cooker b) solar cooker c) pressure cooker d) none
16) which one among the following is not a fossil fuel ?
a) coal b) petrol c) diesel d) ethanol
17) radiowaves are reflected by
a) troposphere b) stratosphere c) ionssphere d) thermosphere
18) The main constituent of biogas is
a) N₂ b) CO₂ c) CH₄ d) H₂
19) SI unit of the calorified value of fuel is
a) k j/g b) cal c) k cal/g d) j
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