Abiotic factors
Abiotic factors
Abiotic factors: Abiotic factors include moisture, temperature, the composition of the storage container and oxidation in certain foods.
Moisture content: The moisture content of stored grain should be sufficiently low, i.e., around 14% by weight. This does not mean that the grain should not have any moisture at all. Grains lose their germinating power if the moisture content is reduced beyond a certain limit.
Temperature: The temperature at which foodgrains are stored is an important factor because a certain temperature range is ideal for the growth of insects and microorganisms. While insects find 30° to 32°C optimum for their growth. If the storage compartment is kept cool and dry, much of the damage to the foodgrains can be averted.
Which of the following are correct : (a) The moisture content of stored grain should be sufficiently low. (b)The moisture content of stored grain should be sufficiently high. | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct : (a) The moisture content of stored grain should be sufficiently low. (b) Grains lose their germinating power if the moisture content is reduced beyond a certain limit. (c) If the storage compartment is kept cool and dry, much of the damage to the food grains can be averted. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Insects find 30° to 32°C optimum for their growth. (b) If the storage compartment is kept cool and dry, much of the damage to the food grains can be averted. | |||
| Right Option : C | |||
| View Explanation | |||
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