I. FILL IN THE BLANKS: 4X1/2=2
1. The fluid in which foetus floats is known as…………….
2. The fusion between the male and female gametes is known as…………
3. …………….coined the term cell in 1665
4. …………..are known as “suicidal bags”
II. DRAW AND LABEL: 1X2=2
1. Draw a neat labelled diagram of Human Sperm.
III. HOTS: 1X3=3
1. Why do human females tend to have single rather than multiple pregnancies?
IV. VERY SHORT ANSWER: 3X1=3
1. What is the product of fertilization?
2. What is menarche?
3. What is the site of protein manufacture in a cell?
V. SHORT ANSWER: 2X3=6
1. What are the functions of endoplasmic reticulum?
2. How do amoeba and paramecium reproduce?
VI. LONG ANSWER: 1X4=4
1. What are the nutritional requirements of adolescents?
(OR)
Mention four points of difference between plant and animal cells.
pls answer all answer
Answers
Answer:
1. Amniotic fluid
2. gametes
Explanation:
are you from class 8 me also thanx dude.
Answer:
1. amniotic fluid.
2. fertilisation.
3.scientist Robert Hooke.
4.Lysosomes
Why do human females tend to have single rather than multiple pregnancies?
because at one time only one sperm and egg are get fussed there for the sex pairs happen only single pregnancy ghan multiple pregnancy
1. What is the product of fertilization?
Zygote.The process of combining the male gamete, or sperm, with the female gamete, or ovum. The product of fertilization is a cell called a zygote.
2. What is menarche?
Menarche is the occurrence of a first menstrual period in the female adolescent.
3. What is the site of protein manufacture in a cell?
Ribosomes.The site of protein synthesis in the cell are ribosomes. These are present attached to the surface of the rough endoplasmic reticulum and also in the free state in the cytoplasm.
What are the functions of endoplasmic reticulum?
The endoplasmic reticulum (ER) is a large, dynamic structure that serves many roles in the cell including calcium storage, protein synthesis and lipid metabolism. The diverse functions of the ER are performed by distinct domains; consisting of tubules, sheets and the nuclear envelope.
2. How do amoeba and paramecium reproduce?
amoeba and paramecium reproduce asexually through Binary fussion
