Locomotion and Movement — BIOLOGY STD 11 Science — Question

Angiosperms are the most advanced among plants and show more variety than any other division of plants. Additionally, most of the useful plants for us belong to the division angiosperm. Which of the following lessons can be taken from this? What are the benefits of learning multiple skills in our life?

1. A diverse group of students is always good for academic learning.
2. If a student knows multiple skills, then he is more likely to become relevant for the society.
3. A student with better physical features is likely to be a better student.

How is the five–kingdom classification advantageous over the twokingdom classification?

List any six features of cartilaginous fishes. Give four examples of these.

Explain why pure water has the maximum water potential.

Examine the figure.

1. Is this structure present in animal cell or plant cell?
2. Can these be passed on to the progeny? How?
3. Name the metabolic processes taking place in the places marked (1) and (2).

Differentiate between dendrites and axons.

The cross-section of a plant material showed the following features when viewed under the microscope.

1. The vascular bundles were radially arranged.
2. Four xylem strands with exarch condition of protoxylem.

To which organ should it be assigned?

What are the three methods of locomotion shown by the protozoans? Mention them with an example of each.

Briefly describe the structure of the Brain.

Amrita and her mother planted small seedling of plant in the soil in their garden. After few months, while playing with her friends Amrita observed that the seedlings which they planted had grown into a mature and flourishing plant. Amrita was curious to know this and asked her mother about this.

1. Name the process that causes growth in living organisms.
2. Discuss about the process that how growth occurs in living organisms.
3. Analyse and write about the common sites of mitosis in plants as well as in animals.
4. What values were shown by Smita?