एक घास के पौधे को उखाड़ने के बाद, एक छात्र उसकी जड़ों और पत्तियों का अवलोकन करने पर अपने प्रेक्षणों को इस प्रकार लिखता है:

Leaves characterized by parallel venation are a distinctive feature of:

The primary increase in length of stems and roots in plants is due to which of the following tissues?

Match Column I with Column II Column IColumn IIa. Tracheids1. Living, food conductionb. Sieve tubes2. Dead, water conductionc. Companion cells3. Associated with sieve tubesd. Xylem fibres4. Mechanical support