acids, bases and salts — Science STD 10 — Question

Oxides of non-metallic elements are ............ in nature. (acidic, basic, neutral)

The reduction of weight in the beetle due to starvation is …………. trait. (in acquired, acquired, less acquired)

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

The distance between the eye lens and the retina is known as the ______________ . (Size of the eyeball, Focal length, Pupil size)

The stem exhibits ________ geotropism and _________ phototropism. (Negative, Positive, Neutral)

Magnification produced by a spherical mirror is positive. So, the type of image is .............. . (real & inverted, erect and virtual, none)

………………. cells perform the function of opening and closing of the stomatal pores. (Guard, Epidermal, Aerobic)

The effect of ___________ in transport of water is more important at night.(Root pressure, Capillary action, Transpiration)

The temperature of scrotum remains __________ below the body temperature. (2-3°C, 5-6°C, 0-1°C)

A problem of _________ is due to entry of non-biodegradable substance.  (Biological magnification, Eutrophication, Acid rain)