Junior Cycle Science Biological World

Which of the below cell organelles can be found in plant cells but NOT in animal cells?

• mitochondria

• Cell wall

• cell membrane

• nucleus

When viewing an onion cell under the microscope, what stain is used to make the cells more visible?

• water

• methylene blue

• iodine

• none

What is menstruation?

• shedding of the uterine lining, unfertilised egg and blood cells

• the fertile period

• bleeding

• none of the above

What part of the female reproductive system is number 1 on the diagram?

• uterus

• fallopian tube

• ovary

• cervix

What part is number 3 pointing to on the diagram of the female reproductive system?

• uterus

• fallopian tube

• ovary

• cervix

On which day of the menstrual cycle does ovulation occur?

• 14

• 1

• 5

• 18

What occurs during implantation of an embryo?

• egg is released from the fallopian tube

• sperm fuses with the egg in the fallopian tube

• fertilised egg travels to the uterus and sticks itself to the wall

• menstruation

What are the names of the 2 female hormones

• oestrogen and progesterone

• oestrogen and testosterone

• Progesterone and testosterone

• Oestrogen and serotonin

What part of the human digestive system is number 2 on the diagram?

• trachea

• stomach

• oesophagus

• liver

What part of the human digestive system is number 10 on the diagram?

• trachea

• stomach

• oesophagus

• liver