Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Protoxylem is the first formed xylem. If the protoxylem lies next to phloem, what kind of arrangement of xylem would you call it?

Mark the odd one in each of the following groups.
Crop, gizzard, mesenteron, oesophagus.

Which of the following is not correct?

1. Robert Brown discovered the cell.
2. Schleiden and Schwann formulated the cell theory.
3. Virchow explained that cells are formed from pre-existing cells.
4. A unicellular organism carries out its life activities within a single cell.

What are palmate compound leaves? Give suit- able examples.

What is the name given to the oxidation, found in aerobic respiration occurring towards the end of the catabolic process involving the passage of both electrons and protons of reduced coenzymes to oxygen.

What is the nature of spinal nerves?

Homeothermy is common feature of which of the class of chordates?

Give the name of the layers through which the glomerular capillary blood pressure causes filtration.

What is a prosthetic group in enzymes?

Name one ornamental plant each of family.Solanceae and Fabaceae.