Nitrogen is an essential nutrient for plant growth. But farmers
who cultivate pulse crops like green gram, bengal gram,
black gram, etc. do not apply nitrogenous fertilizers during
cultivation. Why?
Unscramble the following to form terms related to modes of
nutrition.
(i) RASPAEIT
(ii) ROPEHYTSAP
(iii) TOROPHAUT
(iv) SIBIOMSYS
A goat eats away all the leaves of a small plant (balsam).
However, in a few days, new leaves could be seen sprouting in
the plant again. How did the plant survive without leaves?
The air that contains moisture to its full capacity :
(a) Relative humidity (c) Absolute humidity
(b) Specific humidity (d) Saturated air
Photosynthesis requires chlorophyll, and a few other raw
materials. Add the missing raw materials to the list given below:
Water, minerals, _____________, ______________.
Potato and ginger are both underground parts that store food.
Where is the food prepared in these plants?
Which one of the following process is responsible for transforming liquid
into vapour?
(a) Condensation (c) Evaporation
(b) Transpiration (d) Precipitation
Which of the following raw material is available in the air for
photosynthesis?
(a) Oxygen
(b) Carbon dioxide
(c) Nitrogen
(d) Hydrogen
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