Question

I. FILL IN THE BLANKS
(5X1-5)
1. Fusion of gametes gives rise to a single cell are called.
2. Name the male and female gametes in animal.
3. Name 2 plants which are propagated by cutting
4. Strawberry plants are propagated by the raturel
method
5. Wnte the ful forms of (a) STD [b] AIDS
II ANSWER THE FOLLOWING
[5/2-10)
1. [a] What is tissue culture ?
[b] Name any four types of ornamental plants and are banggoon
tissue culture teching.
2. Differences between Binary and Multiple fission
3. What are sexually transmtted disease?
4. Define po ration. Wite its types.
5. How does the embryo o nounshmere inside the metro boy?
DL.LONG ANSWER
[125=5)
1. (a) Describe the process of fertilisasen in humans and erreiooment of
Embryonal
[b] What changes are seen in the boys at the time of puberty.​

Answer 1

Answer:

GBGBGVBFGVFVVFVF

Explanation:

Answer 2

Answer:

I

1. zygote

2.sperm, ovum

3. sugarcane, rose

4.layering

5.(a)STD: sexually transmitted diseases

(b)AIDS: acquired immune deficiency syndrome