Human and Social Biology #2019

Front

What are the stages found in or on water?

Back

II, III and IV only.

Front

How do plants obtain nitrates?

Back

By absorbing nitrates through their roots.

Front

What is ovulation?

Back

The process by which a mature egg is released into the oviduct.

Front

What are the steps to deliver mouth-to-mouth resuscitation?

Back

IV: Position the head back, I: Push the jaw upward, II: Pinch the nose and seal your mouth with the casualty's mouth.

Front

Where does photosynthesis occur in plant cells?

Back

In chloroplasts.

Front

Define photosynthesis.

Back

The process by which green plants use sunlight to synthesize foods with the help of chlorophyll.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, which is used to convert carbon dioxide and water into glucose and oxygen.

Front

What is the function of stomata in plants?

Back

Stomata are small openings on the surface of leaves that allow for gas exchange (CO2 in, O2 out).

Front

What is the significance of nitrates for plants?

Back

Nitrates are essential nutrients that plants absorb to synthesize amino acids and proteins.

Front

What is the difference between a gamete and a zygote?

Back

A gamete is a reproductive cell (sperm or egg), while a zygote is the fertilized egg formed when two gametes fuse.