Form 1 Science Chapter 4 ; Reproduction (4.1) - (4.4)

Which organism undergoes sexual reproduction?

• Flowering plants

• Amoeba

• Hydra

• Paramecium

Tags

NGSS.MS-LS3-2

Choose a correct statement about external fertilisation.

• Nucleus of the male gamete fuses with nucleus of the female gamete inside the body of the female parents.

• Nucleus of the male gamete fuses with nucleus of the female gamete outside the body of the female parents.

• The male parents releases sperm into the body of the female parents.

• Example of organism which undergoes external fertilisation is dragonfly.

Diagram above shows vegetative reproduction of carrot.

What is the vegetative part involved?

• Leaf

• Bulb

• Root

• Underground stem

Which part of the male reproductive system that transports sperms from the testis to the urethra inside the body?

• Penis

• Prostate glands

• Scrotum

• Sperm duct

Which physical change experienced by female only during puberty?

• Hips become firm and broader.

• Hair grows on the armpit.

• Hair grows at pubic region.

• Reproductive organ starts producing sex hormones.

Choose a correct statement about comparison between sperm and ovum.

• Sperm is unable to move while ovum is able to move.

• Sperm is the smallest cell in male's body while ovum is the largest cell in female's body.

• Sperm has nucleus while ovum does not.

• Sperm is produced by testis while ovum is produced by uterus.

Tags

NGSS.MS-LS3-2

Diagram above shows the menstrual cycle of a woman which last for 28 days.

The woman can get pregnant if sexual intercourse happen on which day of her menstrual cycle?

• 3rd day

• 6th day

• 16th day

• 28th day

Which organism undergoes asexual reproduction by spore formation?

• 
• 
• 
• 

Tags

NGSS.MS-LS3-2

Choose a correct statement about fertilisation.

• Fertilisation occurs at Fallopian tube.

• Ovum will swim into the vagina during copulation.

• After fertilisation, the embryo will divide itself and become a ball of cells known as zygote.

• The embryo will be implanted on the scrotum wall.

During pregnancy, when will embryo starts looking like a baby and known as foetus?

• On Week 1-4 of pregnancy.

• On Week 10-19 of pregnancy.

• On Week 20-37 of pregnancy.

• On Week 38-40 of pregnancy.

Tags

NGSS.HS-LS1-4