Homework WB 18th March

• Science
• Lower Secondary (Key Stage 3)

Homework WB 18th March

What is the process by which organisms produce offspring?

1. Growth
2. Reproduction
3. Respiration
4. Photosynthesis

In sexual reproduction, what is the male reproductive cell called?

1. Sperm
2. Ovum
3. Egg
4. Zygote

What is the female reproductive organ in which eggs are produced?

1. Uterus
2. Ovary
3. Vagina
4. Fallopian Tube

What is the primary function of the ovary?

1. Digestion of food
2. Production of eggs and female sex hormones
3. Regulation of blood sugar levels
4. Production of sperm

What is the name of the process where the ovary releases an egg?

1. Implantation
2. Menstruation
3. Fertilization
4. Ovulation

Which hormone is primarily produced by the ovary?

1. Testosterone
2. Thyroxine
3. Insulin
4. Estrogen

Where are the ovaries located in the human body?

1. In the pelvic cavity on either side of the uterus
2. In the stomach
3. In the chest cavity
4. In the brain

What is the primary function of the testes?

1. Regulation of blood sugar levels
2. Production of sperm and testosterone
3. Digestion of food
4. Production of estrogen and progesterone

Where are the testes located in the male body?

1. In the chest cavity
2. In the scrotum
3. In the thigh muscles
4. In the abdomen

What hormone is primarily produced by the testes?

1. Insulin
2. Testosterone
3. Estrogen
4. Progesterone

What is the purpose of the cremaster muscle in relation to the testes?

1. To regulate lung function
2. To aid in digestion
3. To control heart rate
4. To regulate the position and temperature of the testes

What is the primary function of sperm?

1. Fertilizing the egg
2. Storing nutrients
3. Regulating body temperature
4. Producing hormones

Where are sperm produced in the male body?

1. Liver
2. Pancreas
3. Kidneys
4. Testes

What is the average lifespan of sperm inside the female reproductive tract?

1. 1 month
2. 3-5 days
3. 1-2 weeks
4. Few hours

What is the approximate size of a human sperm cell?

1. 1 inch
2. 0.002 inches
3. 0.0001 inches
4. 0.1 inches

Which species are scientists trying to bring back from the brink of extinction?

1. Rhino
2. Grey Rhino
3. Northern White Rhino
4. Southern White Rhino

What are the names of the two surviving northern white rhino?

1. Najin and Fatu
2. Naiim and Fatsu

Why is the species functionally extinct?

1. Fatu is Najin's mother - they are both female
2. Fatu is Najin's son
3. Fatu is Najin's father - they are both male
4. Fatu is Najin's daughter - they are both female

What is the ultimate goal of the project?

1. To create a northern white rhino embryo
2. To create a northern white rhino herd
3. To create a northern white rhino baby
4. To create a northern white rhino family