NEET BIOLOGY

Detailed explanation-1: -Cacti is not a heterotroph it’s an autotroph.

Detailed explanation-2: -Cactus is a gymnosperm (seed-bearing vascular (presence of xylem and phloem for transport of water and food) organism. It is an autotrophic organism, hence can produce food via photosynthesis using photosynthetic pigments such as chlorophyll to harness sunlight.

Detailed explanation-3: -Autotroph. Encyclopedic entry. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers.

Detailed explanation-4: -Cactus is an autotrophic plant because, their stem is modified into a flat, green, fleshy structure, that contains abundant chloroplasts that help to perform photosynthesis and also acts as a storage of water. The leaves of the cactus plant are modified to spines which helps in reducing transpiration.

Detailed explanation-5: -Bacteria, fungi, yeast, cows, dogs, humans are all heterotrophs. They all depend on plants and other animals for their food.