carbon and its compounds — Science STD 10 — Question

If a virtual, erect and magnified image of an object is formed by a convex lens; the object must be at a distance ________.  (Less than the focal length, At twice the focal length, Beyond twice the focal length)

__________ is a growth-inhibitor hormone of plants. (Abscisic acid, Auxin, Cytokinin)

The ovum is fertilised by the sperm in …………(uterus, oviduct, ovary)

_________ is a more reactive metal among Fe and Mg .(Fe, Mg, Cu)

When tall pea plant (TT) and short pea plant (tt) were hybridized, it produced all tall progeny because tallness is ________ trait. (Dominant, Recessive, Neutral)

Carbon possesses __________ electrons in its outermost shell.(Four, Six, Eight)

Solar energy is transformed into ……….. by chlorophyllous organisms. (electric energy, chemical energy, potential energy)

The enzyme __________ digests starch and converts it into maltose.(Amylase, Pepsin, Trypsin)

__________  is the longest part of alimentary canal. 

Stars behave like ______________ sources of light and planets behave like ______________ sources of light. (Point, Extended, Circular)