Question : Which of the following is true for photoperiodism?
Option 1: It occurs only in plants.
Option 2: It is related to flowering in plants.
Option 3: It is related to the feathers of animals.
Option 4: It is the reaction of organisms to the length of day or night.
Correct Answer: It is the reaction of organisms to the length of day or night.
Solution : The correct option is it is the reaction of organisms to the length of day or night.
Photoperiodism is the plant's reaction to the length of day and night, impacting processes like blooming, dormancy, and other developmental changes dependent on light, and darkness duration. Photoperiodism exists in many species, both in the animal and plant kingdoms. It is a phenomenon caused by changes in day duration that influence the timing of different biological processes like flowering, fruiting, and dormancy. It is especially critical for plants that reproduce sexually by producing flowers, and seeds.
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Question : An equinox is when:
Option 1: day and night are of equal length
Option 2: day is the shortest duration in the year
Option 3: day is the longest duration in the year
Option 4: day when maximum rainfall of the year occurs
Question : The amount of oxygen in the atmosphere remains relatively constant because it is given off by
Option 1: oceans
Option 2: animals
Option 3: rocks
Option 4: plants
Question : What is the full form of PPLO concerning bacteria?
Option 1: Pleuro Pneumonia Like Organisms
Option 2: Pleuro Platelet Like Organisms
Option 3: Platelet Prone Like Organisms
Option 4: Pneumonia Platelet-Like Organisms
Question : Which of the following is an international agreement between governments that aims to ensure that international trade in specimens of wild animals and plants does not threaten their survival?
Option 1: BRICS
Option 2: CITES
Option 3: GATS
Option 4: OPEC
Question : Which of the following statements is correct?
Option 1: The transport of male gametes in Gymnosperms occurs through water.
Option 2: The transport of male gametes in bryophytes and pteridophytes occurs through water.
Option 3: The transport of male gametes in bryophytes and pteridophytes occurs through air.
Option 4: The transport of male gametes in angiosperms occurs through water.
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