Tissues — Science STD 9 — Question

In the given figure, which of the following parts transmits impulse away from the cell body?

A group of cells alike in form, function and origin are called __________.

1. Tissue
2. Organ
3. Organelle
4. None of these

Which of the following plant group bears naked seeds?

1. Pteridophyta.
2. Bryophyta.
3. Gymnospermae.
4. Angiospermae.

A cell will swell up if:

Parenchyma which contains chlorophyll is called:

Which of the following in natural insecticides?

Trapped dust particles are pushed out of respiratory tract by:

1. Ciliated epithelium.
2. Stratified epithelium.
3. Sensory epithelium.
4. Glandular epithelium.

Basic taxonomic category is:

1. Population.
2. Spices.
3. Variety.
4. Breed.

Guard cells are present in:

Middle lamella is formed of:

1. Calcium pectate
2. Cellulose
3. Hemicellulose
4. Lignin