NEET Biology: Plant Systematics questions with solutions

Q1. Q Type your question sheets: I. Plants should be collected in the flowering stage. II. Every detail regarding the plant such as locality, ecological conditions, plants vegetative and floral characters, etc should be noted. III. Plants are evenly pressed by unfolding a plant part between blotting papers (or newspapers) with the help of plant presser. IV. Blotting paper need not be changed until plants get dried. V. After drying, the plant's specimen is carefully mounted/pasted on the herbarium sheets. VI. The herbarium sheet is labeled on the lower right hand corner representing the number of plant specimen, date of collection, etc. Which of the above statement(s) is/are incorrect?

1. Only I
2. Only IV
3. I and IV
4. III and IV

Answer: Only IV

Statement IV is incorrect because blotting papers are typically changed periodically during drying to prevent mold and speed dehydration. The other statements describe standard herbarium collection and mounting procedures.

Q2. The most vast dicot family is

1. Fabaceae
2. Compositae
3. orchidaceae
4. Loranthaceae

Answer: Compositae

Compositae (Asteraceae) is the largest dicot family, containing an enormous number of species worldwide. It is characterized by inflorescences called capitula, where many small florets form a single flower-like head.