Digestion and Absorption — BIOLOGY STD 11 Science — Question

What is the similarity and dissimilarity between “whole moong daal” and “broken moong daal” in terms of respiration and growth? Based on these parameters classify them into living or nonliving?

Human beings have a significant ability to maintain and moderate the respiratory rhythm to suit the demands of the body tissues. How is it achieved?

Which one of the following statements is incorrect?

1. Mesoglea is present in between ectoderm and endoderm in Obelia.
2. Exhibits radial symmetry Asterias.
3. Fasciola is a pseudocoelomate animal.
4. Taenia is a triploblastic animal.

Differentiate between reticulate venation and parallel venation.

Mention the growth areas of the root.

Name the parts of the body where smooth or non-striated muscles are present.

Radial symmetry is often exhibited by animals having:

1. One opening of alimentary canal.
2. Aquatic mode of living.
3. Benthos/ sedentary.
4. Ciliary mode of feeding.

Write any four physiological effects of stress hormone and draw a diagram of arithmetic and geometric growth.

Attempt titrating an amino acid against a weak base and discover the number of dissociating ( ionizable ) functional groups in the amino acid.

Give comparison between cyclic and non-cyclic photophosphorylation.