Tissues — Science STD 9 — Question

Cell was discovered by:

Exotic breed of poultry bird having high egg laying capacity is:

1. White leghorn.
2. Broilers.
3. White cornish.
4. New hemisphere.

Sound travels in air:

Which of the following is a bacterial disease?

1. Hepatitis B.
2. Poliomyelitis.
3. Tetanus.
4. Malaria.

In the lung fishes, the heart is:

1. Single chambered.
2. Two chambered.
3. Three chambered.
4. Four chambered.

Which of the following represents the SI unit of force? 

Brush-bordered epithelium is found in:

1. Stomach.
2. Small intestine.
3. Fallopian tube.
4. Trachea.

Rajasthan and Gujarat fall under:

1. Semiarid zone.
2. Arid zone.
3. Intermediate zone.
4. Wet zone.

Buoyant force is directed:

Which one of the following statements about power stations is not true?