MCQ IN MEDICINE

MEDICINE MCQ

INFECTIOUS DISEASES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Algae are similar to plants, yet they don’t have ____
A
Roots
B
Flowers and Fruits
C
Stem
D
Leaves
Explanation: 

Detailed explanation-1: -They contain chloroplast which has the pigment chlorophyll, responsible for absorbing the sunlight and preparing their own food. They make their own food through photosynthesis. This characteristic of algae makes them similar to plants.

Detailed explanation-2: -Why are algae considered plant-like? The main reason is that they contain chloroplasts and produce food through photosynthesis. However, they lack many other structures of true plants. For example, algae do n ot have roots, stems, or leaves.

Detailed explanation-3: -Algae are simple, aquatic, plant-like organisms that do not have true roots, stems and leaves.

Detailed explanation-4: -The group of algae that appears to be most closely related to the ancestors of true plants is the charophytes. This is because the charophytes contain the pigments chlorophyll a and b, store carbohydrates as starch and their cell walls contain cellulose just like plants do.

Detailed explanation-5: -One of the main characteristics that differentiates macroalgae from plants is their structure. They may appear similar, but the macroalgae do not have specialized organs and tissues, and they are not vascularized. They also do not have the capacity to form a structure with flowers, leaves, roots or a stem.

There is 1 question to complete.