metals and non-metals — Science STD 10 — Question

All animals are _________ in food chain. (Consumers, Producers, Decomposers)

According to modern periodic table, the properties of elements are the periodic functions of their…………….(atomic number, atomic mass number

The artery emerging from the left ventricle is called _________.(Aorta, Pulmonary artery, Coronary artery)

...... is abundant in nature but availability of its special grade is limited. (Silicon, germanium, gallium)

Focal length of a convex lens is ............ . (negative, neutral, positive,)

At night stars are seen slightly at a higher position than their actual position because of the ______________ (Atmospheric refraction, Reflection, Refraction in water)

......... are substances that cause a reaction to proceed at a higher rate without the reaction itself being affected. (motivator, curable, Catalysts)

Farm and garden are _________ ecosystem.  (Artificial, Natural, Primary)

ENT specialist doctor uses a ...... of small aperture. (convex, plane, concave mirror)

The _________ increases when the sucrose is transported through the phloem tissue.(Osmotic pressure, Turgor pressure, Air pressure)