Q621
Open questionBombay Smoke Nuisance Act has been enforced only in case of smoke emanating from
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Biology GK · all questionsPlant Anatomy and Physiology
Plant Anatomy and Physiology
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Q622
Open questionAssertion (A) Yeast cells have alcoholic fermentation.
Reason (R) Fermentation is an aerobic process.
Reason (R) Fermentation is an aerobic process.
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Q623
Open questionWhich of the following is an autotrophic bacterium which requires only inorganic materials for growth?
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Q624
Open questionMatch List-I with List-II and select the correct answer:
| List-I | List-II |
| a. Spirogyra | 1. Cup shaped chloroplast |
| b. Oedogonium | 2. Reticulate chloroplast |
| c. Chlamydomonas | 3. Star-shaped chloroplast |
| d. Zygnema | 4. Specialchloroplast |
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Q625
Open questionThe process by which plants produce food is called
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Q626
Open questionWhich of the following is an example of obligate anaerobe?
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Q627
Open questionWhen the embryos are developed from the cells of the nucellusor integumentsand push themselves into the embryo sac, the phenomenon is known as
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Q628
Open questionExchange of gases occurs through which part of the plant tissue?
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Q629
Open questionConsider the following statements and choose the correct answer:
1. Petkus winter rye may be vernalized in the seed stage
2. Petkus winter rye has an obligate requirement for vernalization
3. Under continuous light, unvernalized Petkus winter rye will "head" in 15 weeks
4. Petkus winter rye differs from henbane in that the vernalization stimulus, once received, is not transmitted across a graft union
1. Petkus winter rye may be vernalized in the seed stage
2. Petkus winter rye has an obligate requirement for vernalization
3. Under continuous light, unvernalized Petkus winter rye will "head" in 15 weeks
4. Petkus winter rye differs from henbane in that the vernalization stimulus, once received, is not transmitted across a graft union
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Q630
Open questionIn the fourth oxidation step of the Krebs cycle,
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Q631
Open questionThe technique of the development of fruits without fertilisation is known as
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Q632
Open questionThe redox potential is expressed in terms of
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Q633
Open questionThe plants that occur in desert and steppe are known as
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Q634
Open questionEnzymes which exist in more than one form are called
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Q635
Open questionThe red colour of bracts of Bougainvillea is due to
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Q636
Open questionThe particulate pollution is measured by the instrument called
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Q637
Open questionWhen light-sensitive lettuce seeds that are imbibing are treated with red light followed by far-red light,
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Q638
Open questionMaximum harm to a tree is caused by
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Q639
Open questionInteractions with external factors which influence or cause competitiorr include
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Q640
Open questionThe process of phosphate group transfer into ADP to synthesize energy rich ATP molecule making use of light as an external energy source is known as
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