Q161
Open questionAccording to Wareing and Foda, which of the following causes the oxidation of an inhibitor present in the upper seed of the cocklebur plant, thus allowing germination?
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Biology GK · all questionsPlant Anatomy and Physiology
Plant Anatomy and Physiology
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Q162
Open questionThe formation of glucose or glycogen from non-carbohydrate precursors is known as
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Q163
Open questionA sterile flower without androecium and gynoecium is known as
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Q164
Open questionC4 cycle is energy expensive and requires
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Q165
Open questionWhich of the following are used to prepare the main storage (starch) form of food in plants?
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Q166
Open questionCalvin and co-workers selected which of the following plants for the study of the process of photosynthesis ?
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Q167
Open questionRaising of more than one crop from the same seed stock of crops is known as
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Q168
Open questionWhen a plant of one genotype is altered phenotypically by chemical or physical treatment to mimic the phenotype of another plant of different genotype, it is referred to as
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Q169
Open questionWhich of the following plant types is an intermediate group between the aquatic and land plants?
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Q170
Open questionThe special type of fleshy buds that develop in aquatic plants like Potamogeton and Utricularia for vegetative propagation are known as
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Q171
Open questionNuts, vegetable oil and fish are rich sources of
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Q172
Open questionThe chromophore moiety of the biliprotein is known as
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Q173
Open questionThe method by which embryo sac is formed from archesporium without meiosis is called
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Q174
Open questionMatch the structures given in column (A) with the functions given in column (B).
| Column A | Column B |
| a. Stomata | 1. Absorption of water |
| b. Xylem | 2. Transpiration |
| c. Root hairs | 3. Transport of food |
| d. Phloem | 4. Transportion of water |
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Q175
Open questionMatch List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Exclusive species | 1. Species occurring frequently in one kind of community and sometimes also in others |
| b. Selective species | 2. Species which occur in any community without showing preference to any particular kind of community |
| c. Preferential species | 3. Species which occur in several kinds of communities but more abundantly in some |
| d. Indifferent species | 4. Species completely restricted to one kind of community |
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Q176
Open questionThe first clearly stated hypothesis on photoperiodism was given in 1920 by
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Q177
Open questionWhich of the following is an accessory pigment?
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Q178
Open questionThe minimum number of pigment molecules capable of acting cooperatively in a photochemical act to evolve one molecule of O2 or to reduce one molecule of CO2 is known as
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Q179
Open questionWhen the long-day plant Sedum spectabile was grafted to the short-day plant Kalanchoe blossfeldiana, it
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Q180
Open questionThe rate of photosynthesis is
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