NEET Biology Plant Growth and Development / पौधे की वृद्धि और विकास Question Bank

done Plant Movement Total Questions - 53

• question_answer1)
  Sleep movements in Samanea saman are regulated by [APMEE 2002]
  A)
  N done clear
  B)
  P done clear
  C)
  K done clear
  D)
  Mg done clear
  View Solution play_arrow

• question_answer2)
  If the stem grows towards sunlight and root grows just opposite to it, the stem movement is called [AFMC 1980]
  A)
  Negative phototropic movement done clear
  B)
  Phototropic movement done clear
  C)
  Positive phototropic movement done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer3)
  Movements of leaves of sensitive plant, Mimosa pudica are due to [CBSE PMT 1988, 1999; CPMT 1989, 1991; AIIMS 1986; BHU 1997; CET Chd. 2002; Bihar PMT 2002; RPMT 1995,                   2002; AFMC 1999; AMU 2002; MP PMT 2000]
  A)
  Thermonasty done clear
  B)
  Seismonasty done clear
  C)
  Hydrotropism done clear
  D)
  Chemonasty done clear
  View Solution play_arrow

• question_answer4)
  An apparatus commonly used to demonstrate phototropism is [CPMT 1984]
  A)
  Heliotropic chamber done clear
  B)
  Clinostat done clear
  C)
  Arc Auxanometer done clear
  D)
  Potometer done clear
  View Solution play_arrow

• question_answer5)
  Tertiary roots are [BHU 1979]
  A)
  Positively geotropic done clear
  B)
  Negatively geotropic done clear
  C)
  Plagiogeotropic done clear
  D)
  Ageotropic done clear
  View Solution play_arrow

• question_answer6)
  Protoplasmic streaming movements are referred as   [DPMT 1985]
  A)
  Autonomic movements of locomotion done clear
  B)
  Thigmonasty done clear
  C)
  Photonasty done clear
  D)
  Movements of curvature done clear
  View Solution play_arrow

• question_answer7)
  The best material for demonstrating streaming movements of protoplasm within living cells is [CPMT 1985; BHU 1986]
  A)
  Staminal hairs of Tradescantia done clear
  B)
  Onion peelings done clear
  C)
  Pith cells done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer8)
  Movements of tentacles in Drosera are [RPMT 1984; AFMC 1997; JKCMEE 2002]
  A)
  Photonastic done clear
  B)
  Thermonastic done clear
  C)
  Thigmonastic done clear
  D)
  Seismonastic  done clear
  View Solution play_arrow

• question_answer9)
  Negative phototropism occurs in [Tamil Nadu 2001]
  A)
  Root done clear
  B)
  Stem done clear
  C)
  Leaf done clear
  D)
  Flower done clear
  View Solution play_arrow

• question_answer10)
  Pneumatophores show [AMU 1989, 1999]
  A)
  Positive geotropism done clear
  B)
  Negative geotropism (ageotropism) done clear
  C)
  Thigmotropism done clear
  D)
  Negative phototropism done clear
  View Solution play_arrow

• question_answer11)
  Factors which can modify geotropic responses are   [CPMT 1987]
  A)
  Root and shoot apices, temperature, light and atmospheric carbon dioxide done clear
  B)
  Root and shoot apices, phytochrome, humidity and temperature done clear
  C)
  Root and shoot apices, humidity and temperature done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer12)
  Nastic movements differ from tropic movements in being   [AMU 1987]
  A)
  Movements of variation done clear
  B)
  Nondirectional done clear
  C)
  Directional done clear
  D)
  Stimulated by chemicals. done clear
  View Solution play_arrow

• question_answer13)
  Phototropism of stem and root are due to [MP PMT 1989]
  A)
  Differential hormonal effect done clear
  B)
  Epinasty and hyponasty done clear
  C)
  Effect of light done clear
  D)
  Graviperception  done clear
  View Solution play_arrow

• question_answer14)
  Bending of stem towards light is [BHU 1988; AFMC 1990]
  A)
  Photoperiodism done clear
  B)
  Heliotropism done clear
  C)
  Photonasty done clear
  D)
  Hydrotropism done clear
  View Solution play_arrow

• question_answer15)
  A potted plant placed near the window bends outwardly due to [CPMT 1989]
  A)
  Greater oxygen availability to the tip done clear
  B)
  More auxin content on the shaded side done clear
  C)
  Greater light availability to tip done clear
  D)
  Availability of necessary warmth to the tip done clear
  View Solution play_arrow

• question_answer16)
  Jerky lateral leaflet movements of Desmodium gyrans are   [CPMT 1991]
  A)
  Negative geotropic movements done clear
  B)
  Positive geotropic movements done clear
  C)
  Hydrotropic movements done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer17)
  Opening of flower and drooping of a bud are [CPMT 1991]
  A)
  Hyponasty done clear
  B)
  Epinasty done clear
  C)
  Curvature movement done clear
  D)
  Spontaneous movements done clear
  View Solution play_arrow

• question_answer18)
  Opening and closing of flowers represent a kind of [MP PMT 1991; CPMT 1993; APMEE 1999]
  A)
  Nastic movements done clear
  B)
  Tropic movements done clear
  C)
  Nutation movements done clear
  D)
  Autonomic movements done clear
  View Solution play_arrow

• question_answer19)
  Plant organs can detect a change in their orientation with respect of gravity [DPMT 1986]
  A)
  Within a few seconds done clear
  B)
  Atleast a minimum of thirty minutes done clear
  C)
  Atleast they have to be kept for a day done clear
  D)
  Atleast they have to be kept for a weak done clear
  View Solution play_arrow

• question_answer20)
  Phototropism in shoots is attributed to or phototropic movements are due to  [MP PMT 1987; BHU 1979, 1981; AMU 1997; JKCMEE 2000; APMEE 1996]
  A)
  Auxin done clear
  B)
  Gibberellins done clear
  C)
  Cytokinin done clear
  D)
  Abscisic acid done clear
  View Solution play_arrow

• question_answer21)
  Thigmotropism is the response of the plant to [CPMT 1984]
  A)
  Gravity done clear
  B)
  Water done clear
  C)
  Light done clear
  D)
  Contact done clear
  View Solution play_arrow

• question_answer22)
  Positive geotropic response of root is [DPMT 1982]
  A)
  Always done clear
  B)
  Rarely done clear
  C)
  Mostly done clear
  D)
  Nil done clear
  View Solution play_arrow

• question_answer23)
  Both nyctinasty and thigmonasty are observed in   [DPMT 1985]
  A)
  Drosera done clear
  B)
  Mimosa done clear
  C)
  Utricularia done clear
  D)
  Cuscuta done clear
  View Solution play_arrow

• question_answer24)
  On touching the leaves of Mimosa pudica droop down because of [CPMT 1991; RPMT 1995, 1996; BHU 1997; AFMC 1999; MP PMT 2000; AMU 2002; RPMT 2002]
  A)
  Seismonasty done clear
  B)
  Hydrotropism done clear
  C)
  Chemonasty done clear
  D)
  Thigmotropism done clear
  View Solution play_arrow

• question_answer25)
  Clinostat is connected with [BHU 1987]
  A)
  Thigmotropism done clear
  B)
  Turgor changes done clear
  C)
  Measurement of stomatal pores done clear
  D)
  Geotropism done clear
  View Solution play_arrow

• question_answer26)
  Indian Telegraph plant is [BHU 1986]
  A)
  Butea monosperma done clear
  B)
  Crotalaria juncea done clear
  C)
  Madhuca indica done clear
  D)
  Desmodium gyrans done clear
  View Solution play_arrow

• question_answer27)
  Tendrils exhibit/twining of tendrils is due to [BHU 1989; CBSE PMT 1991, 95; MP PMT 1992; CPMT 1993; CET Chd. 2000; AIIMS 2000]
  A)
  Thigmotropism done clear
  B)
  Seismonasty done clear
  C)
  Heliotropism done clear
  D)
  Diageotropism done clear
  View Solution play_arrow

• question_answer28)
  Phototropic and geotropic movements are linked to [CBSE PMT 1990; BHU 1999]
  A)
  Gibberellins done clear
  B)
  Enzymes done clear
  C)
  Auxin done clear
  D)
  Cytokinins done clear
  View Solution play_arrow

• question_answer29)
  Geotropic response of roots is due to [MP PMT 1992]
  A)
  Inhibition of stem growth done clear
  B)
  More growth on lower side done clear
  C)
  More growth on upper side done clear
  D)
  Uniform growth done clear
  View Solution play_arrow

• question_answer30)
  Movement of sperms towards archegonial necks due to component of their exudate is [CPMT 1992; RPMT 1998]
  A)
  Chemotropism done clear
  B)
  Chemotaxis done clear
  C)
  Phototaxis done clear
  D)
  Hydrotropism done clear
  View Solution play_arrow

• question_answer31)
  Tropic movement is due to [CPMT 1998]
  A)
  Cell elongation done clear
  B)
  Cell division done clear
  C)
  Both a and b done clear
  D)
  Cell thickening done clear
  View Solution play_arrow

• question_answer32)
  Clinostat is employed in the study of [CBSE PMT 1993]
  A)
  Osmosis done clear
  B)
  Growth movements done clear
  C)
  Photosynthesis done clear
  D)
  Respiration done clear
  View Solution play_arrow

• question_answer33)
  Closure of lid in Pitcher Plant is a [CBSE PMT 1995]
  A)
  Tropic movement done clear
  B)
  Turgor movement done clear
  C)
  Paratonic movement done clear
  D)
  Autonomic movement done clear
  View Solution play_arrow

• question_answer34)
  Movement of plant part in response to touch is [Orissa 1995; APMEE 1999]
  A)
  Seismonasty done clear
  B)
  Thigmonasty done clear
  C)
  Nutation done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer35)
  Some flowers (e.g., Oxalis) open in the morning and close during evening because of [RPMT 1996; AIIMS 1996; KCET 1998]
  A)
  Photonasty done clear
  B)
  Phototropism done clear
  C)
  Phototaxis done clear
  D)
  Nyctinasty done clear
  View Solution play_arrow

• question_answer36)
  The leaves of Mimosa pudica (Sensitive Plant) droop down on touch because [AIIMS 1984]
  A)
  Plants have nervous system done clear
  B)
  The leaves are very tender done clear
  C)
  The leaf tissues are injured done clear
  D)
  The turgor pressure of leaf base changes done clear
  View Solution play_arrow

• question_answer37)
  Bulliform cells in grass leaves show [AIIMS 1996]
  A)
  Growth movements done clear
  B)
  Tropic movements done clear
  C)
  Nastic movements done clear
  D)
  Turgor movements done clear
  View Solution play_arrow

• question_answer38)
  Example of positive geotropism is [Orissa 1997]
  A)
  Closing of flowers done clear
  B)
  Upward growth of stem done clear
  C)
  Downward growth of root done clear
  D)
  Lateral growth of root done clear
  View Solution play_arrow

• question_answer39)
  Thigmotropism is best exhibited by [AFMC 1998; RPMT 1998]
  A)
  Lamina done clear
  B)
  Tendrils done clear
  C)
  Root apex done clear
  D)
  Thorns done clear
  View Solution play_arrow

• question_answer40)
  Which movement occurs due to external stimulus   [CPMT 1998]
  A)
  Tropic done clear
  B)
  Nastic done clear
  C)
  Tactic done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer41)
  Plant movement in response to diffuse stimulus of light is   [RPMT 1998]
  A)
  Phototropism done clear
  B)
  Photolysis done clear
  C)
  Phototaxis done clear
  D)
  Photonasty done clear
  View Solution play_arrow

• question_answer42)
  Movement of Sunflower towards the direction of Sun in [Haryana PMT 2000; Manipal 2001]
  A)
  Photonasty done clear
  B)
  Phototropism done clear
  C)
  Nyctinasty done clear
  D)
  Seismonasty done clear
  View Solution play_arrow

• question_answer43)
  Peristome teeth of moss shows [RPMT 2000]
  A)
  Hydrochasy done clear
  B)
  Xerochasy done clear
  C)
  Hydrotropism done clear
  D)
  Chemotropism done clear
  View Solution play_arrow

• question_answer44)
  Geotropic response is perceived by [CPMT 1999; DPMT 2001; Uttaranchal 2001]
  A)
  Mature roots done clear
  B)
  Elongating cells done clear
  C)
  Root cap done clear
  D)
  Root hairs done clear
  View Solution play_arrow

• question_answer45)
  The minimum time interval required between application of stimulus and production of response is
  A)
  Presentation time done clear
  B)
  Relaxation time done clear
  C)
  Conversion time done clear
  D)
  Reaction time done clear
  View Solution play_arrow

• question_answer46)
  The area of the plant which receives the stimulus is
  A)
  Perceptive region done clear
  B)
  Responsive region done clear
  C)
  Receptive region done clear
  D)
  Reactive region done clear
  View Solution play_arrow

• question_answer47)
  The minimum time for which the stimulus must be applied in order to obtain a response is
  A)
  Conversion time done clear
  B)
  Conduction time done clear
  C)
  Presentation time done clear
  D)
  Reaction time done clear
  View Solution play_arrow

• question_answer48)
  The area of photoperception is
  A)
  Region of elongation done clear
  B)
  Tip done clear
  C)
  Young leaves done clear
  D)
  Axillary buds done clear
  View Solution play_arrow

• question_answer49)
  Leaf of Mimosa droops down on touching because of [CPMT 1996; BHU 2000]
  A)
  Water loss from leaflet bases done clear
  B)
  Changes in water concentration done clear
  C)
  Loss of water from cells to intercellular spaces in pulvinus and pulvinules done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer50)
  Opening of a flower and drooping of a bud are examples of   [Kerala PMT 2004]
  A)
  Nyctinasty done clear
  B)
  Hyponasty done clear
  C)
  Seismonasty done clear
  D)
  Moment of curvature done clear
  E)
  Epinasty done clear
  View Solution play_arrow

• question_answer51)
  Stimulus for flowering accepted by [MP PMT 2005]
  A)
  Young leaves done clear
  B)
  Mature leaves done clear
  C)
  Stem tissues done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer52)
  Shock movement in 'Touch me not' plant is   [Orissa JEE 2005]
  A)
  Seismonasty done clear
  B)
  Photonasty done clear
  C)
  Chemonasty done clear
  D)
  Thermonasty done clear
  View Solution play_arrow

• question_answer53)
  Thigmotropism is best observed in [BHU 2005]
  A)
  Roots done clear
  B)
  Leaves done clear
  C)
  Tendrils done clear
  D)
  Stems done clear
  View Solution play_arrow