Question

I State whether true or false

1. The presence of starch on leaves can be tested by Iodine Test.
True/ False
2. Iodine turns starch solution black.
True/ False
3. Lichens are the organisms in which an alga and a parasite live together.
True/ False
4. Plants can use nitrogen only in soluble form.
True/ False
5. The organism that grows on the body of another organism and derives
nutrients from it is known as a saprotroph.
True/ False
6. Parasite is capable of secreting some enzymes which can digest
complex molecules into simpler forms.
True/ False
7. Leaves of a plant have a green pigment called chlorophyll.
True/ False
8. In the presence of sunlight, they use carbohydrate and water to
synthesize carbon-di-oxide.
True/ False

9. Water and minerals are absorbed by the leaves and transported to the
roots through vessels.
True/ False
10. Large number of tiny pores on the surface of leaves are called stomata.
True/ False
11. Photosynthesis is food making process in animals from simple
substances like carbon dioxide and water in the presence of sunlight.
True/ False
12. Rhizobium survives in the roots of leguminous plants. For food and
provides them nitrogen.
True/ False
13. Green plants are called heterotroph since they synthesise their own
food.
True/ False
14. Plants take carbon dioxide from the atmosphere mainly through their
flowers.
True/ False
15. The fleece of sheep is the only source of wool.
True/ False
16. Silk fibres come from cocoons of the silk moth.
True/ False
17. The hairy skin of the sheep has three types of fibres.
True/ False
18. The fur on the body of camels is also used as wool.
True/ False

19. Wool comes from sheep, goat, yak and some other animals.
True/ False
20. We call the distance covered by an object in a unit time as the speed of
the object.
True/ False
21. Speed is the total time taken divided by the total distance covered.
True/ False
22. The time between one sunrise and the next was called a second.
True/ False
23. A month was measured from one new moon to the next.
True/ False
24. One of the most well-known periodic motions is that of a simple
pendulum.
True/ False
25. The time taken by the pendulum to complete one oscillation is called its
time slot.
True/ False
26. The pulse of a normal healthy adult at rest beats about 72 times in a
minute.
True/ False
27. The metallic ball in a simple pendulum is called the ball of the
pendulum.
True/ False

28. The distance moved by objects in a given interval of time can help us to
decide which one is faster or slower.
True/ False
29. The faster vehicle has a higher speed.
True/ False


GIVE ANSWER PLS REAL QUICK

Answer 1

Answer:

yes the presence of starch in a leave can be tested by the use of iodine solution

Answer 2

Answer:

true

that answer right