Question 1 : Which of the processes is not associate with plant growth and development?

Question 2 : The process in which a simple permanent tissue like parenchyma and collenchyma regain their power of cell division and becomes lateral meristems. It helps in the formation of secondary tissues known as

Question 4 : The ability of the callus cells to differentiate into a plant organ is

Question 5 : Reduction in transpiration is a function of which of the following differentiated cell?

Question 10 : Which of the following is not a growth effecting factor for plants?

Question 11 : Which one is the main effect of auxin, important for commercial purpose?

Question 12 : The ability of the components of cells of callus to form a whole plant is known as

Question 13 : Because of the which of the following reason/s, growth stops completely during the stationary phase?

Question 14 : Which of the following is not an extrinsic factor affecting plant growth?

Question 23 : The growth regulator that retards ageing of plant organs is called as

Question 25 : Assertion: Plant growth as a whole is indefinite. Reason: Plants retain the capacity of continuous growth throughout their life.

Question 27 : Assertion: Nutrients are required by plants for the synthesis of protoplasm and act as the source of energy. Reason: Water provides the medium for enzymatic activities needed for growth.

Question 28 : Assertion: Development is the sum of growth and differentiation. Reason: Development in plants is under the control of extrinstic factors only.

Question 29 : Plant organs can detect a change in their orientation with respect of gravity

Question 37 : Assertion: Environment signals such as light and gravity also affect phase or stage of growth Reason: Gravity and light leads to differential auxin concentration which is responsible for differential growth.

Question 38 : Different kinds of structures develop in plants in different phases of growth or in response to environment. This ability is called _________.

Question 41 : Due to habit mature leaves differ in their shape from juvenile phase is called as

Question 42 : Which of the following statement is true regarding growth regulators in plants?

Question 44 : The living differentiated cell which have lost capacity to divide can regain capacity of division under certain conditions. This phenomenon is called

Question 45 : Which two factors primarily affect the development phase of growth of plants?

Question 46 : Which of the following are first found with the beginning of secondary growth in a dicot root?

Question 47 : In aquatic plant<i> Ranunculus flabellaris </i>(buttercup), submerged leaves are highly dissected whereas the emerged leaves are broad and lobed. This is an example of ______________.

Question 50 : Assertion: Oxygen is compulsory for growth. Reason: Oxygen is must for releasing metabolic energy essential for growth.

Question 51 : Evergreen trees remain green throughout the year on account of ..........

Question 55 : <p>Due to adaptation mature leaves differ in their shape &#160;from juvenile phase is called as</p>

Question 59 : Living differentiated cells which have otherwise lost the capacity to divide, can regain the power of division under certain conditions. This phenomenon is termed as

Question 60 : Who demonstrated that green plants purify the foul air produced by breathing animals and burning candles?

Question 61 : Occurrence of more than one type of leaves on the same plant is _________.<br/>

Question 64 : Assertion: Phase of cell division is also known as formative phase. Reason: In formative phase new cells are produced from pre-existing cells through meiosis.

Question 65 : Assertion: In some plants flowering depends only on a combination of light and dark exposure. Reason: The site of perception of light or dark duration are the shoot apices of plants.

Question 67 : Period between formative phase and maturation phase of plant growth is

Question 68 : Choose the correct answer from the alternatives given.<br>The classical experiment on growth was performed by:

Question 70 : Two different plants associated with the discovery of two different phytohormones having common biosynthetic precursor exhibit one of the following character each.<br/>I- Versatile anthers<br/>II- Compound spadix<br/>III- Pentalocular ovary<br/>IV- Trifoliate compound leaves<br/>The correct answer is:

Question 71 : Pruning of plants promotes branching due to sensitisation of axillary buds by

Question 72 : If a shoot cutting is treated with auxin, which of the following is likely to result?

Question 73 : Assertion: Ginger has a prostrate-growing rhizome. Reason: Shoot growth is not effected by gravity.

Question 75 : Which the following commercial application of phytohormones are correct?<br/>A. Auxins are extensively used in agriculture to promote flowering in pineapples.<br/>B. Ethephon is used for promoting female flower in cucumbers, thereby increase the yield.<br/>C. Abscisic acid is of great use in the ripening the fruits like mango, orange, pineapple etc.<br/>D. Cytokinins are used for keeping freshness in leafy and green vegetables.&#160;

Question 76 : Assertion: Phase of cell division is also known as formative phase. Reason: In formative phase new cells are produced from pre-existing cells through meiosis.

Question 77 : <table class="table table-bordered"><tbody><tr><td><b>&#160;Column-1&#160;</b></td><td><b>&#160;Column-2</b></td></tr><tr><td>P) Opening of the leaf blade</td><td>i) Epinasty</td></tr><tr><td>Q) Closing of leaves</td><td>ii)hyponasty</td></tr><tr><td>R) zigzag movement in the apical bud</td><td>iii) nutation</td></tr><tr><td>S) spiral and helical growth of&#160;tendrilar plants</td><td>iv)circumnutation</td></tr><tr><td>T) pulsation in leaflets of Indian&#160;telegraph plant</td><td>v) variation</td></tr></tbody></table>

Question 79 : State whether the following statements are true or false.<br><b></b>Ethylene stimulates leaf release, while auxin keeps leaves from falling.

Question 82 : State whether the following statements are true or false.<br>Ethylene evolution is highest when the fruit is unripe but diminishes as the fruit matures.

Question 84 : The phenomenon which prevents precocious reproductive development late in the growing season and enables the plant to have sufficient time to reach maturity is : -

Question 85 : An aquatic plants, $Cabomba$ $caroliniana$, shows substantial developmental plasticity. The submerged leaves of the plant are feathery (which are not damaged due to flowing underwater currents) while leaves on the surface are padded (and help in floatation). The correct statement related to the above phenotypes is

Question 86 : Mature differentiated cells revert to meristematic activity to form callus by

Question 87 : The cells derived from meristems differentiate and regain the capacity to divide by a phenomenon called

Question 88 : Which of the following exerts profound effect on&#160;the reproductive growth of a flowering plant?

Question 90 : Assertion: On plotting the length of the root against time, a linear curve is obtained. Reason: An elongating root exemplifies arithmetic growth.

Question 91 : Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of a freshly cut coleoptile stumps. Of what significance is this experiment.

Question 94 : Cells attaining their maximum size in terms of wall thickening and protoplasmic modifications belong to

Question 95 : Choose the correct answer from the alternatives given.<br>Which of the following plant hormones stimulates the ripening of fruit and inhibits plant growth?

Question 97 : State whether the following statements are true or false.<br>If a plant is laid on its side, cells on the lower side of the stem will respond to gravity and elongate, making the stem turn so that it continues to grow upward.

Question 98 : The process of taking in $CO_2$ by plants and releasing $O_2$ is component of

Question 99 : Plants are known as purifiers of air due to process of&#160;<br/>

Question 101 : The process of uptake of CO$_{2}$ and&#160;release of O$_{2}$ by plants is known as

Question 103 : Which gas is released in plants during the process of photosynthesis?

Question 104 : Which branch of botany is concerned with the study of photosynthesis?<br/>

Question 106 : The number of light quanta required for evolution of one molecule of oxygen is known as

Question 110 : Photosynthesis is the conversion of light energy within a plant was first stated by<br/>

Question 116 : Who stated that in photosynthesis light energy is converted into chemical energy?

Question 119 : The excess energy of electron is used in the synthesis of ATP and the process is called

Question 120 : Assertion: Submerged plants get carbon dioxide in the form of carbonates and bicarbonates.&#160; Reason: Stomata are not present in submerged plants.

Question 122 : Which of the following lists contain all the ingredients and products of photosynthesis?

Question 123 : Assertion: In bacteria, photosynthesis occurs by utilizing wavelength longer than 700 mm. Reason: Reaction centre is P$_{890}$.

Question 125 : An increase in carbon dioxide content in the atmosphere would not cause

Question 126 : Choose the correct answer from the alternatives given.<br>What are the products of photosynthesis

Question 127 : Assertion : Phototropism is a directional growth movement.<br><br>Reason : Phototrophic movement occur in the direction of light<br>

Question 128 : Amount of solar energy received from the sun each year is

Question 132 : Who among the following scientist was awarded the Nobel Prize in 1961 for tracing the path of carbon in photosynthesis?

Question 133 : The first scientist to find out the role of light in photosynthesis was

Question 138 : State whether the following statements are true or false.<br>Photosynthesis is the most abundant form of anabolic metabolism in life.

Question 139 : Which of the following process in the plants is responsible for the release of oxygen?<br><br>

Question 146 : Which of the following combination of physiological processes occur during photosynthesis?

Question 147 : Which one of the following is required both by the process of respiration and photosynthesis?

Question 151 : Green plants do not give out CO$_2$ during day time because they

Question 153 : For synthesis of a glucose molecule (with 686 kcal) the energy utilized during photosynthesis is&#160;

Question 154 : The scientist, who proved that bacteria use $H_{2}S$ gas and $CO_{2}$ to synthesize carbohydrate is<br/>

Question 161 : Photosynthesis is an oxidation-reduction process, the material that gets oxidised is

Question 164 : Most of the experimental work in photosynthesis has been done on

Question 166 : Which pigment protects plants from the damage caused by U.V. rays?&#160;

Question 167 : Nine-tenth of all photosynthesis of world (85-90%) is carried out by

Question 168 : Which of the following sugar is prepared by the plant during photosynthesis?

Question 169 : Which scientists are related with light reaction and what is its site?

Question 172 : Who found that organic matter is synthesised with the help of solar energy?

Question 175 : Photosynthesis may be studied in a number of ways. For this protocol, a dye-reduction technique is used. This dye-reduction investigation tests the hypothesis that light and chloroplasts are required for the light reactions to occur. A compound, DPIP (2,6-dichlorophenol-indophenol), will be substituted so that when a reduction reaction has occurred, the DPIP changes from blue to colorless.<br/>In this experiment, chloroplasts are extracted from spinach leaves and incubated with DPIP in the presence of light. As the DPIP is reduced and becomes colorless, the resultant increase in light transmittance (at 605 nm, the A$_{max}$ of blue DPIP) is measured over a period of time using a spectrophotometer.<br/>Which molecule does DPIP replace in the light reactions of photosynthesis?

Question 177 : Which of the following processes is responsible for the release of oxygen?<br/>I. Lactic acid fermentation<br/>II. Alcohol fermentation<br/>III. Aerobic respiration<br/>IV. Photosynthesis

Question 179 : Emerson's enhancement effect and Red drop have been instrumental in the discovery of<br/>

Question 180 : <p>By which of the following processes ATP is produced?<br/></p><table class="wysiwyg-table"><tbody><tr><td>I.</td><td>Photosynthesis</td></tr><tr><td>II.</td><td>Aerobic respiration</td></tr><tr><td>III.</td><td>&#160;Anaerobic respiration</td></tr></tbody></table>

Question 183 : The concept that light energy is converted to chemical energy in photosynthesis was given by

Question 186 : Match the name of the scientists with their important contributions given under. Choose the answer which gives correct combination.<br/><table class="table table-bordered"><tbody><tr><td>&#160;</td><td>&#160;<b>List I (</b><b>Scientists)</b></td><td>&#160;</td><td>&#160;<b>List II (</b><b>Contributions)</b></td></tr><tr><td>A</td><td>Peter Mitchell<br/></td><td>1</td><td>Law of limiting factor<br/></td></tr><tr><td>B</td><td>Blackmann<br/></td><td>2</td><td>Calvin cycle<br/></td></tr><tr><td>C</td><td>Daniel Arnon<br/></td><td>3</td><td>Photosynthetic phosphorylation<br/></td></tr><tr><td>D</td><td>Melvin Calvin<br/></td><td>4</td><td>Chemiosmotic hypothesis<br/></td></tr><tr><td>&#160;</td><td>&#160;</td><td>5</td><td>Mass flow hypothesis</td></tr></tbody></table>

Question 187 : Which phytohormone is responsible for the promotion of female flowers in cucumber?

Question 189 : Match the items of column I and column II<br><table class="wysiwyg-table"><tbody><tr><td></td><td>Column I</td><td></td><td>Column II</td></tr><tr><td>a</td><td>Mitchell</td><td>p</td><td>Steps of dark reaction to photosynthesis</td></tr><tr><td>b</td><td>Gibbs</td><td>q</td><td>Photophosphorylation</td></tr><tr><td>c</td><td>Arnon</td><td>r</td><td>Concept of free energy</td></tr><tr><td>d</td><td>Calvin</td><td>s</td><td>Chemiosmotic hypothesis</td></tr><tr><td></td><td></td><td>t</td><td>Mass flow hypothesis</td></tr></tbody></table>

Question 191 : Plastids are different from mitochondria on the basis of which of the following features?