Plant Biology

Step 1: Understanding the Concept:
The question asks to identify the most abundant polysaccharide that forms the structural component of a plant cell wall.

Step 2: Detailed Explanation:
Let's analyze the options:
$%5Cbegin%7Barray%7D%7Brl%7D%20%5Cbullet%20%26%20%5Ctext%7BChitin%3A%20This%20is%20a%20structural%20polysaccharide%20found%20in%20the%20cell%20walls%20of%20fungi%20and%20the%20exoskeletons%20of%20arthropods.%20It%20is%20not%20a%20primary%20component%20of%20plant%20cell%20walls.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7BCellulose%3A%20This%20is%20a%20long-chain%20polysaccharide%20made%20of%20glucose%20units.%20It%20is%20the%20primary%20structural%20component%20of%20plant%20cell%20walls%2C%20providing%20rigidity%20and%20strength.%20It%20is%20the%20most%20abundant%20organic%20polymer%20on%20Earth.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7BStarch%3A%20This%20is%20the%20main%20energy%20storage%20polysaccharide%20in%20plants%2C%20typically%20found%20as%20granules%20within%20the%20cytoplasm%20and%20plastids%20(like%20chloroplasts%20and%20amyloplasts)%2C%20not%20as%20a%20primary%20structural%20part%20of%20the%20cell%20wall.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7BGlycogen%3A%20This%20is%20the%20main%20energy%20storage%20polysaccharide%20in%20animals%20and%20fungi.%20%7D%20%5C%5C%20%5Cend%7Barray%7D$ Therefore, cellulose is the polysaccharide found in abundance in plant cell walls.

Step 3: Final Answer:
The cell wall in plant cells has an abundance of Cellulose.

Step 1: Understanding the Concept:
The question asks to identify the characteristics that contribute to the efficiency of honey bees as pollinators.

Step 2: Detailed Explanation:
Let's evaluate each character:
$%5Cbegin%7Barray%7D%7Brl%7D%20%5Cbullet%20%26%20%5Ctext%7B(A)%3A%20This%20statement%20is%20false.%20Honey%20bees%20have%20bodies%20covered%20in%20branched%2C%20electrostatic%20hairs%20(plumose%20hairs)%20that%20are%20specifically%20adapted%20to%20trap%20pollen%20grains.%20A%20smooth%2C%20waxy%20body%20would%20be%20inefficient%20at%20picking%20up%20pollen.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(B)%3A%20This%20statement%20is%20true.%20Honey%20bees%20(genus%20*Apis*)%20are%20found%20across%20the%20globe%20and%20can%20survive%20in%20a%20wide%20range%20of%20climates%2C%20from%20tropical%20to%20temperate%2C%20making%20them%20reliable%20pollinators%20in%20diverse%20ecosystems.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(C)%3A%20This%20statement%20is%20true.%20The%20proboscis%20(tongue)%20of%20a%20honey%20bee%20is%20of%20a%20length%20that%20allows%20it%20to%20access%20nectar%20from%20a%20wide%20variety%20of%20flowers%2C%20making%20it%20a%20generalist%20pollinator%20for%20many%20different%20crops.%20%7D%20%5C%5C%20%5Cbullet%20%26%20%5Ctext%7B(D)%3A%20This%20statement%20is%20true.%20Honey%20bees%20have%20several%20modifications%20for%20pollen%20collection%2C%20most%20notably%20the%20corbicula%2C%20or%20%22pollen%20basket%2C%22%20a%20polished%20cavity%20on%20the%20outer%20hind%20tibia%20fringed%20with%20long%20hairs%2C%20where%20they%20pack%20pollen%20for%20transport.%20%7D%20%5C%5C%20%5Cend%7Barray%7D$ The correct statements that describe why honey bees are efficient pollinators are (B), (C), and (D).

Step 3: Final Answer:
The correct combination of characters is (B), (C), and (D).

High-Yield Trend

Chapter Questions
3 MCQs

Official Solution

Official Solution

Official Solution

Plant Biology

High-Yield Trend

Chapter Questions 3 MCQs

Official Solution

Official Solution

Official Solution

Chapter Questions
3 MCQs