Plant Structure & Physiology

“Some aquatic insects such as the water strider can stand, walk or run on water without breaking the surface”

What is the water properties based on the statement above?

• Maximum density at 4° C

• High surface tension

• Universal solvent

• Low viscosity

Simplastic movement of water takes place through

• The cell walls

• The plasmodesmata

• The casparian strips

• Through endodermis

Root pressure due to

• Active absorption

• Passive absorption

• Increased turgidity

• Increased transpiration

Which of the following statements is false about nutrition?

• Nitrogen and phosphorus are macronutrients.

• Plant hormones are nutrients.

• Manganese and Molybdenum are micronutrients

• Nutrition provides energy for carry out various functions.

Tags

NGSS.MS-LS2-1

Based on the diagram above, what is the nutrient deficiency shown by the plant?

• Iron

• Boron

• Magnesium

• Nitrogen

Which of the following minerals is required for the synthesis of chlorophyll?

• Potassium

• Nitrogen

• Copper

• Iron

 Plant absorbs  N2 in the form of

• Nitrites

• Nitrates

• Ammonium

• All of these

Plant cannot absorb molecule N2 in the atmosphere because

• N2 has double bonds making it highly stable.

• Abundance in the atmosphere inhibits absorption.

• N2 has triple bonds making it highly stable.

• None of these.

In which organism(s) does photosynthesis occur?

• Plant

• Some bacteria

• Algae

• All of these

Tags

NGSS.MS-LS1-6

Chloroplast absorb light energy and convert to chemical energy. This statement is true or false?

• True

• False

Tags

NGSS.HS-LS1-5