Question

Mention if the following statement is true or false:-
(1) Phloem cells carry manufactured food from leaves to the other parts.
(2) Veins of leaves have both xylem and phloem.
(3) The older xylem tissue do not participate in transportation.
(4) The sclerenchyma consists of actively dividing cells
(5) Axons of nerve cells are very long.
(6) Dendrons bundled together to form a nerve.
(7) Cardiac muscles get tired soon.
(8) Epithelial cells leave space in between.
(9) Perikaryon is the nucleus of the nerve cells.
(10) Muscles of the Iris of the Eye are of voluntary types.
(11) Cartilage has no blood vessels or the nerves in it.
(12) Plumule is the fruit root and radicle is the fruit shoot of the plant.
(13) Micropyle serves for the emergence of the radicle.
(14) Cotyledons in castor are a big store of food for the embryo.
(15) Maize grain has a large endosperm.
(16) Tegmen is the outermost layer of the seed.
(17) Some seed have no cotyledons at all.
(18) Maize grain is fruit and not a seed.
(19) Seeds fallen in a flower-bed from the previous crop usually do not germinate until the next sowing season.
(20) Oxygen is necessary for the germination of seeds.

Answer 1

Answer:

1. The statement is true.
2. The statement is true.
3. The statement is true.
4. The statement is false. Sclerenchyma consists of dead cells.
5. The statement is true.
6. The statement is false. Dendrons bundles together form a nerve.
7. The statement is false. They can contract without exterior stimulation and yet not get fatigued
8. The statement is false. They fit tight leaving no space.
9. The statement is true.
10. The statement is false. They are of involuntary type.
11. The statement is true.
12. The statement is false .Plumule is the fruit shoot and radicle is the fruit root of the plant.
13. The statement is true. Micropyle refers to a small pore in the seed coat through which the water is absorbed by the seed. It is the region through which the Radicle emerges out.  
14. The statement is true. they serve as food reserve for the developing embryo.
15. The statement is false. Some seeds have one cotyledon (monocots) while others have two  cotyledons (dicots).
16. The statement is true.
17. The statement is true.
18. The statement is true

Answer 2

1 true

2true

3true

4false

5true

6 false

7false

8false

9true

10 false

11true

12true

13true

14false

15 true

16 true

17true

18 true