Tissues — Science STD 9 — Question

The process of cross breeding two different varieties of crop plants each having a desire characteristic, is known as:

1. Selection
2. Hybridization
3. Crossing
4. Introduction

Simple epithelium is:

Ascaris lumbricoides in common roundworm of:

1. Liver.
2. Bile duct.
3. Large intestine.
4. Small intestine.

The organelle found in prokaryotic cell is:

Sustainable agriculture involves:

Swim bladder is present in:

1. Bony fishes.
2. Cartilaginous fishes.
3. Toad.
4. Duck.

Robert Hooke actually observed ________ of cells.

Who has proposed two kingdom classification?

1. R.Whittaker.
2. Carolus Linnaeus.
3. Schimper.
4. Eichler.

Mucosal living of which organ differ from others in concern with number of layer of cell (simple/ strtified)?