Chapter: Growth and Development in Plants
101.

Photoperiodism is .........

A. Time table of day-night based on light
B. Flowering plant
C. Effect of length of day on flowering
D. Irregular growth based on light
Answer» C. Effect of length of day on flowering
102.

Which hormone is essential in pineapple for inducing flowering, without season ?

A. Ethylene
B. Zeatin
C. Abscisic acid
D. NAA
Answer» D. NAA
103.

Which of the following plant shows rotational movement ?

A. Volvox
B. Chlamydomonas
C. Hydrilla
D. Mucilagenous fungi
Answer» C. Hydrilla
104.

Which of the following is example of amoeboid movement ?

A. Algae
B. Fungi
C. Gamates of bryophyta
D. Hydrilla
Answer» B. Fungi
105.

Which of the following option shows an examples of cilliary movement ?

A. Zoo spores and Bryophyta
B. Chlamydomonas
C. Slime mould
D. All the three a, b, c
Answer» B. Chlamydomonas
106.

Which plant show movement from intense light to dim light ?

A. Volvox
B. Lotus
C. Hydrilla
D. Plankton
Answer» A. Volvox
107.

Which of the following show movement by chemical ?

A. Male gametes of bryophytes and pteridophytes
B. Male gamets of fungi and algae
C. Male gametes of gymanosperm and and angiosperms
D. Flower of tulip and croccus
Answer» A. Male gametes of bryophytes and pteridophytes
108.

Which of the following is an example of thermonasty ?

A. Lotu
B. Crocus
C. Mimosa
D. Sunflower
Answer» B. Crocus
109.

In which structure thigmonasty is observed in simple form ?

A. Leaf apex
B. Shoot apex
C. Root apex
D. Leaf tendril
Answer» D. Leaf tendril
110.

Demonstration of cytoplasmic movement in living cell can be observed in ........

A. Onion cell
B. Medullary cells
C. Leaf cells of tradescantia
D. Cells of vascular bundle
Answer» C. Leaf cells of tradescantia
111.

Which factor increases in plant in absence of light ?

A. Availability of water, increases ascent of sap.
B. Availability of mineral ion, increases mineral nutrition
C. Area of leaf-blade increase, rate of transpiration increases.
D. Length of internode increases, growth of plant in longitudinal axis.
Answer» D. Length of internode increases, growth of plant in longitudinal axis.
112.

Sensitivity of leaves in Mimosa, depends on which factor ?

A. Temperature
B. Light
C. Water
D. Touch
Answer» D. Touch
113.

Movement of cilia in Drocera, depends on which factor ?

A. Light
B. Temperature
C. Touch
D. Osmosis
Answer» C. Touch
114.

Which are the labelled part A and B ?

A. Fruit and plumale
B. Plumule and radicle
C. Fruit and radicle
D. Plumule and cotyledon
Answer» C. Fruit and radicle
115.

Which is the labelled part A and B given in the figure ?

A. Cotyledon and Hypocotyl
B. Cotyledon and plumble
C. Cotyledon and Epicotyl
D. Fruit and hypocotyl
Answer» A. Cotyledon and Hypocotyl
116.

Which are the part labelled as A, B and C sequentially in the figure ?

A. Seed coat, cotyledon, plumule
B. Seed coat, Endosperm, plumule
C. Plumule, radicle, cotyledon
D. Cotyledon, plumule, embryo
Answer» B. Seed coat, Endosperm, plumule
117.

Mention part A and B, labelled in the figure.

A. Radicle, primary root
B. Epicotyl, radicle
C. Hypocotyl, primary root
D. Epicotyl, primary root
Answer» C. Hypocotyl, primary root
118.

If cells obtain ability of cell division in certain circumstances, it is called .........

A. Differentiation
B. Cleavage
C. De-Deferentiation
D. Undifferentiation
Answer» C. De-Deferentiation
119.

In certain condition, dividing cell, loose their ability of cell division, it is called .......

A. Differentiation
B. Cleavage
C. De-differentiation
D. Undifferentiation
Answer» D. Undifferentiation
120.

What is A and B in the given figure ?

A. Senescence and death
B. Death and senescence
C. Growth and death
D. Death and senescence
Answer» A. Senescence and death
121.

Which organic chemicals are included in shoot with photoperiodism ? (AIIMS-1996)

A. Ethylene
B. Cytokinin
C. Auxin
D. Gibberrelin
Answer» D. Gibberrelin
122.

Motor cells of leaves and grass, shows which type of movement ? (AIIMS-1996)

A. Locomotory movement
B. Growth movement
C. Nastic movement
D. Osmotic movement
Answer» D. Osmotic movement
123.

Which activity in plant is observed due to ethylene ?

A. Matutiation of leaf
B. Maturation of fruit
C. Maturation of flower
D. Maturation of seeds
Answer» B. Maturation of fruit
124.

Which of the following type is improper for nastism ?

A. Photonasty
B. Hydronasty
C. Thermonasty
D. Phototropism
Answer» D. Phototropism
125.

Which of the following is incorrect for tropism ?

A. Phototropism
B. Thermotropism
C. Hydrotropism
D. Thigmotaxis
Answer» D. Thigmotaxis
126.

What is the direction of tropism ?

A. Straight
B. Oblique
C. Undirectional
D. Directional
Answer» D. Directional
127.

Which of the example is improper for tropic movement ?

A. Volvox
B. Antherozoids of bryophytes
C. Antherozoids of pteridophytes
D. Mimosa
Answer» D. Mimosa
128.

With, what nutation is related ?

A. Autonomous movement
B. Induced movement
C. Autonomous curvature movement
D. Induced curvature movement
Answer» C. Autonomous curvature movement
129.

Match the list :
Column I Column II
(P) Volvox (i) Chemotaxis
(Q) Mimosa (ii) Phototaxis
(R) Antherozoids of bryophytes (iii) Movement / tropism
(S) Leaf tendril (iv) Thigmotropism

A. (P-i), (Q-ii), (R-iii), (S-iv)
B. (P-ii), (Q-iii), (R-iv), (S-i)
C. (P-ii), (Q-iv), (R-i), (S-iii)
D. (P-iv), (Q-iii), (R-ii), (S-i)
Answer» C. (P-ii), (Q-iv), (R-i), (S-iii)
130.

Match the list :
Column I Column II
(P) Plasmodium of slime mould (i) Ciliary movement
(Q) Chlamydomonas algae (ii) Circular movement
(R) protoplasm of tradenschantia leaf (iii) Rotational movement
(S) Protoplasm of hydrilla (iv) Amoeboid movement leaves

A. (P-i), (Q-ii), (R-iii), (S-iv)
B. (P-iv), (Q-iii), (R-iv), (S-i)
C. (P-iv), (Q-i), (R-ii), (S-iii)
D. (P-iv), (Q-ii), (R-i), (S-iii)
Answer» C. (P-iv), (Q-i), (R-ii), (S-iii)
131.

Match the following :
Column I Column II
(P) Zoospore of volvox (i) Thermo taxis
(Q) Antherozoids of bryophytes and pteridophytes (ii) Thigmo taxis
(R) Diatoms (iii) Photo taxis
(S) Zoospores in oedogonium (iv) Chemo taxis

A. (P-i), (Q-ii), (R-iii), (S-iv)
B. (P-iv), (Q-iii), (R-ii), (S-i)
C. (P-iii), (Q-iv), (R-i), (S-ii)
D. (P-iii), (Q-ii), (R-i), (S-iv)
Answer» C. (P-iii), (Q-iv), (R-i), (S-ii)
132.

Match the following :
column I Column II
(P) Opening of leaf blade (i) Epinasty
(Q) Closing of leaves (ii) Hyponasty
(R) Zigzag movement in apical bud (iii) Nutation
(S) Spiral and helical growth of tendrilar plants (iv) Circumnutation
(T) Pulsation in leaflets of indian telegraph plant (v) Variation

A. (P-i), (Q-ii), (R-iii), (S-iv), (T-v)
B. (P-v), (Q-iv), (R-iii), (S-ii), (T-i)
C. (P-v), (Q-i), (R-iv), (S-iii), (T-ii)
D. (P-v), (Q-i), (R-iv), (S-ii), (T-iii)
Answer» C. (P-v), (Q-i), (R-iv), (S-iii), (T-ii)
133.

Match the list :
Column I Column II
(P) Phototropism (i) Water
(Q) Geotropism (ii) Gravitation
(R) Hydrotropism (iii) Light
(S) Thigmotropism (iv) Touch

A. (P-i), (Q-ii), (R-iii), (S-iv)
B. (P-iii), (Q-ii), (R-i), (S-iv)
C. (P-iv), (Q-iii), (R-ii), (S-i)
D. (P-iii), (Q-ii), (R-iv), (S-i)
Answer» B. (P-iii), (Q-ii), (R-i), (S-iv)
134.

Match the list :_ans_key_Column I Column II
(P) Lotus and sunflower (i) Hydronasty
(Q) Crocus and tulip (ii) Thigmonasty
(R) Due to turgidity of leauses (iii) Thermonasty
(S) Mimosa (iv) Photonasty

A. (P-iv), (Q-iii), (R-i), (S-iii)
B. (P-i), (Q-ii), (R-iii), (S-iv)
C. (P-ii), (Q-iii), (R-iv), (S-i)
D. (P-i), (Q-iii), (R-ii), (S-iv)
Answer» A. (P-iv), (Q-iii), (R-i), (S-iii)
135.

Covering surrouding embryo contain growth inhibitor hormone for .......... dormancy.

A. Physical dormancy
B. Mechanical dormancy
C. External dormancy
D. Chemical dormncy
Answer» D. Chemical dormncy
136.

In which type of dormancy, due to hardness of seed coats or integuments, embryo could not expand during germination ?

A. Physical dormancy
B. Mechanical dormancy
C. External dormancy
D. Chemical dormancy
Answer» B. Mechanical dormancy
137.

Which type of dormancy is found when seed is impermeable to water or gaseous exchange ?

A. Physical dormancy
B. Mechanical dormancy
C. External dormancy
D. Chemical dormancy
Answer» B. Mechanical dormancy
138.

Which type of dormancy, inhibits embryo growth and germination in seed ?

A. Endogenous dormancy
B. Physiological dormancy
C. External dormancy
D. Mixed dormancy
Answer» B. Physiological dormancy
139.

Which type of dormancy is found in seed causes physiology and external dormancy ?

A. Mixed dormancy
B. External dormancy
C. Physiological dormancy
D. Endogenous dormancy
Answer» A. Mixed dormancy
140.

What is the type of dormancy in which embryo do not differentiate into various tissue at the time of fruit maturation ?

A. Internal dormancy
B. Physiological dormancy
C. External dormancy
D. Mixed dormancy
Answer» C. External dormancy
141.

During physiological and physical condition some changes observed in seed, is knows as ......

A. Exogenous dormancy
B. Endogenous dormancy
C. Combinational dormancy
D. Secondary dormancy
Answer» C. Combinational dormancy
142.

Which type of dormancy is induced in seeds due to adverse condition and high temperature ?

A. Exogenous dormancy
B. Endogenous dormancy
C. Combinational dormancy
D. Secondary dormancy
Answer» D. Secondary dormancy

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