Question
What is the specialized structure in butterflies and
moths that allows them to feed on nectar?Solution
Insects with liquid diets, such as butterflies and moths, have a modified foregut that functions as a suction pump for extracting nectar or other liquids. This structure is known as a proboscis and is formed by elongated mouthparts that can be coiled up when not in use.
What does a Venturimeter measure in an irrigation pipeline?
Which of the following programme was introduced to bridge the gap between research system and Extension system?
‘Khaira disease’ (also known as iron rust) of rice is caused due to:
Axenic culture isÂ
Which one of the following is NOT a pressure unit?
Powdery mildew disease is controlled by spray of
Which law states that plant growth is limited by the nutrient in shortest supply?
Topping is a practice done in:
Which crop does Striga primarily parasitize as a root parasite?
Varietal purity is checked by
