Available Answers

1. 1.

   Fill in the blanks.

   1. The __________ (stem/flower) is the part of the plant that contains the reproductive structures.
   2. Poppy seeds are dispersed by ______________ (animals/explosion).
   3. The animals that eat only plants are called ____________ (herbivores/carnivores).
   4. Liquids that do not mix with one another are called ____________ (immiscible/miscible).
   5. In ____________ (gases/solids) the molecules are tightly packed in a specific pattern.
   6. In ____________ (ferns/Begonia), the new plants arise from leaves.
   7. The fusion of male and female gamete is called _____________ (penetration/fertilisation).
   8. ____________ (Oxygen/Carbon dioxide) gas is needed for burning.
   9. ____________ (Potato/Sweet potato) grows from stem.
   10. The transfer of pollen grains from the anther to the stigma of the same flower is referred to as ___________ (self/cross) -pollination.
   11. The process of shifting the clear liquid without disturbing the sediment is called _______________ (decantation/sedimentation).
   12. The addition of harmful substances into the environment is called ____________ (dirt/pollution).
   13. The maple seeds are dispersed by _____________ (wind/water).
   14. Air ____________ (weight/pressure) helps is sucking liquid through a straw.
   15. The method of separating two immiscible liquids from their mixture is called _______________ (distillation/filtration).
   16. The sequence, that shows how living things in an environment are related to each other as per their feeding habits is referred to as ____________ (food/diet) chain.
   17. Maize flowers are _____________ (bisexual/monosexual).
   18. Kidney beans are __________ (monocot/dicot) seeds.
   19. Air is a ___________ (mixture/bag) of many gases.
   20. ___________ (Wind/Ventilation) refers to the movement of fresh air in a closed space.