5.
b) Barium oxide
can be dissolved at a given temperature.
3.In saturated solution, no more
c) Solvent
a) Solute
d) None of these
b) Both
reaction.
4. A chemical reaction in which heat is given out is called
b) Endothermic
a) Exothermic
d) Both a) and b)
b) Synthesis
5. We find budding in
b) Yeast
a) Spirogyra
b) Eucalyptus
d) Orchids
6. The pollen grains move towards the egg through the
a) Stomata
b) Ovary tube
b) Pollen tube
d) Megaspore
7. In coconut seed dispersal happens through
a) Wind
b) Humans
b) Water
d) Squirrel
8. Cross pollination is a process where
a) Pollen of one flower moves to stigma of another flower in the same tree
b) Pollen of one flower moves to stigma of another flower in a different tree
c) Pollen of one flower moves to stigma of any other flower
d) Pollen of one flower moves to stigma of same flower
9. if the time taken by a simple pendulum is 40s to complete 20 oscillations, then the time period of
the simple pendulum is
a) 25
b) 40 s
c) 0.5 s
10. Which of the following is the correct unit of speed measured by a speedometer?
d) 45
a) Km/s
b) m/s
c) km/min
Convert 85 m/s to km/h
d) km/h
a) 306 km/h
b) 205 km/h
c) 480 km/h
12. The distance-time graph of uniform motion is
d) 125 km/h
a) A straight line parallel to X axis b) a curved line
b) A straight line parallel to Y axis
13. Which of the following is a primary consumer?
d) A straight line inclined to X axis
a) Rabbit
b) Lion
14. The primary source of energy in nature is
c) Vulture
d) Trees
a) Plants
15. Which of the following would not be a consequence if forests disappear?
c) Nitrogen
d) Sun
c) Reduction in rainfall d) Earthquake
11.
b) Oxygen
a) Soil erosion
b) Global warming
Answers
Answered by
0
Answer:
4.a
15.c
14.d
13. plants
Explanation:
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Answered by
3
Answer:
4) a) Exothermic
13) a) Rabbit
14) c) Vulture
15) c) Reduction in rainfall
Explanation:
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