Flowers in which polllination takes place by insect their pollen grains are ________
A. Smooth and dry
B. Rough and sticky
C. Rough and dry
D. Large in Size
Answer: Option B
A. Smooth and dry
B. Rough and sticky
C. Rough and dry
D. Large in Size
Answer: Option B
Ordinary table salt is sodium chloride. What is baking soda?
A. Potassium chloride
B. Potassium carbonate
C. Potassium hydroxide
D. Sodium bicarbonate
A. hole in ozone layer
B. decrease in the ozone layer in troposphere
C. decrease in thickness of ozone layer in stratosphere
D. increase in the thickness of ozone layer in troposphere
A. angiosperms
B. gymnosperms
C. monocotyledons
D. dicotyledons
Pollination is best defined as
A. transfer of pollen from anther to stigma
B. germination of pollen grains
C. growth of pollen tube in ovule
D. visiting flowers by insects
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