Q1.The acid present in red ants is
(a) acetic acid
(b) butyric acid
(c) caproic acid
(d) formic acid
Q2.The locomotory organ of Amoeba is
(a) pseudopodia
(b) parapodia
(c) flagella
(d) cilia
Q3.Which one of the following is the smallest endocrine gland in human body ?
(a) Adrenal
(b) Thyroid
(c) Pituitary
(d) Pancreas
Q4.Scurvy is a disease which is caused due to the deficiency of vitamin
(a) A
(b) K
(c) C
(d) B12
Q5.Development of an egg without fertilization is called
(a) gametogenesis
(b) parthenogenesis
(c) oogenesis
(d) metamorphosis
Q6.The strongest bone of the body is present in the
(a) thigh
(b) jaw
(c) arm
(d) neck
Q7. In which one of the following situations a chemical reaction does not occur?
(a) Common salt is exposed to air
(b) Coal is burnt in air
(c) Sodium is placed in water
(d) Iron is kept in moist air
Q8. Scattering of light takes place in—
(a) electroplating
(b) electrolysis
(c) solution of electrolyte
(d) colloidal solution
Q9.Breeding and management of bees is known as
(a) sericulture
(b) silviculture
(c) pisciculture
(d) apiculture
Q10. Alcohol prepared by the distillation of wood is
(a) propyl alcohol
(b) methyl alcohol
(c) ethyl alcohol
(d) glycerol
Solutions:
S1.Ans.(d)
S2.Ans.(a)
S3.Ans.(c)
S4.Ans.(c)
S5.Ans.(b)
S6.Ans.(a)
S7.Ans.(a)
S8.Ans.(d)
S9.Ans.(d)
S10.Ans.(b)
