General Biology 1

Ordinary table salt is sodium chloride. What is baking soda?

• Potassium chloride

• Potassium carbonate

• Potassium hydroxide

• Sodium bicarbonate

Ozone hole refers to:

• hole in ozone layer

• decrease in the ozone layer in troposphere

• decrease in thickness of ozone layer in stratosphere

• increase in the thickness of ozone layer in troposphere

Pollination is best defined as:

• transfer of pollen from anther to stigma

• germination of pollen grains

• growth of pollen tube in ovule

• visiting flowers by insects

Plants receive their nutrients mainly from:

Movement of cell against concentration gradient is called:

• osmosis

• active transport

• passive transport

• diffusion

Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to what type of plant?

What are the four categories of plants

• Green, Red, Algae, Brown
• Bryophytes, Ferns, Gymnosperms, Angiosperms
• Pineapples, Ferns, Pines, Pears
• C3, C4, CAM

What are the four categories of plants

• Green, Red, Algae, Brown
• Bryophytes, Ferns, Gymnosperms, Angiosperms
• Pineapples, Ferns, Pines, Pears
• C3, C4, CAM

Plants are autotrophs because they get their energy from

• Photosynthesis
• Other plants
• Respiration
• Carbohydrates

What does biology study?