Related Questions

As air temperatures rise, water becomes less---and separates from a nutrient-filled cold layer below.
ক crowed
খ dense
গ loaded
ঘ rushed
উদ্ভিদের ম্যাক্রো খাদ্যোপাদান (Macro-nutrient) কোনটি?
ক জিংক
খ পটাসিয়াম
গ কপার
ঘ ফ্লোরিন
উদ্ভিদের গৌণ পুষ্টি উপাদান (Micro Nutrient) কোনটি?
ক Na
খ O
গ Ca
ঘ N
A reduction of nitrogen nutrient in plants:
ক Affects leaf color
খ Reduces pigment concentration
গ Increase the visible reflectivity
ঘ All of these
When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocation of pond that does not leave enough oxygen needed to support life. This type of pollution is called
ক Smog
খ Eutrophication
গ Green house effect
ঘ None of these
Which nutrient forms most of our body weight?
ক Water
খ Fats
গ Carbohydrates
ঘ Proteins
Which nutrient in fertiliser makes the plant stems stronger and increases branching?
ক Nitrogen
খ Phosphorous
গ Potassium
ঘ Calcium
Which of the following does not come under the category of 'micro-nutrient' for plant growth?
ক Chlorine
খ Iron
গ Boron
ঘ Carbon
Which of the following does not come under the category of 'secondary nutrient' for plant growth?
ক Calcium
খ Magnesium
গ Sulphur
ঘ Oxygen
Which of the following does not come under the category of'primary nutrient' for plant growth?
ক Potassium
খ Nitrogen
গ Phosphorous
ঘ Sulphur

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