31) Radical vascular bundles are those in which
a) xylem is surrounded by phloem
b) phloem is surrounded by xylem
c) xylem and phloem occur on the same radius
d) xylem and phloem occur on the different radii
32) Myopia is connected with
a) ears
b) eyes
c) lungs
d) None of these
33) Wisdom teeth are ?
a)last premolars
b)last molars
c)canines
d)incisors
34) Which blood group is known as Universal donor ?
a)A+
b)A-
c)AB
d)O
35) Pulses are a good source of
a) carbohydrates
b) fats
c) proteins
d) vitamins
36) Plants receive their nutrients mainly from
a) chlorophyll
b) atmosphere
c) light
d) soil
37) Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
a) angiosperms
b) gymnosperms
c) monocotyledons
d) dicotyledons
38) Radish is a
a) bulb
b) conn
c) modified root
d) tuber
39) Our major foods, fibres, spices, fruits and beverage crops are
a) flowering plants
b) gymnosperms plants
c) pteridophytes
d) bryophytes
40) The largest organ of human body is ?
a)Brain
b) Heart
c) Skin
d) Liver