Which of the following is responsible for peat formation?
1. Marchantia
2. Riccia
3. Funaria
4. Sphagnum
When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
| 1. | Vexillary | 2. | Imbricate |
| 3. | Twisted | 4. | Valvate |
You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?
| 1. | Secondary xylem | 2. | Secondary phloem |
| 3. | Protoxylem | 4. | Cortical cells |
Which one of the following statements is correct?
| 1. | The seed in grasses is not endospermic |
| 2. | Mango is a parthenocarpic fruit |
| 3. | A proteinaceous aleurone layer is present in maize grain. |
| 4. | A sterile pistil is called a staminode. |
Tracheids differ from the tracheary elements in:
| 1. | Having casparian strips | 2. | Being imperforate |
| 3. | Lacking nucleus | 4. | Being lignified |
Which of the following structures performs the function of mitochondria in a bacteria?
| 1. | Nucleoid | 2. | Ribosomes |
| 3. | Cell wall | 4. | Mesosomes |
The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as:
1. Microtubules
2. Microfilaments
3. Intermediate filaments
4. Lamins
The osmotic expansion of a cell kept in water is chiefly regulated by:
1. Mitochondria
2. Vacuoles
3. Plastids
4. Ribosomes
© 2026 GoodEd Technologies Pvt. Ltd.