Tissues — Science STD 9 — Question

Which of the following has two chambered heart?

1. Labeo.
2. Hemidactylus.
3. Bufo.
4. Columba.

Signs of eutrophication of water bodies include:

1. Reduced oxygen demand.
2. Rapid decomposition of organic matter.
3. Algal bloom.
4. Fluorosis.

Genetic material of a eukaryotic cell is contained in:

Cork cambium is an example of-

Which of the following is a fungus disease causing maximum deaths of poultry birds?

Which one of the following species of honey bee is an Italian species?

1. Apis Mellifera.
2. Apis Dorsata.
3. Apis florae.
4. Apis Cerana Indica.

Who discovered Endoplasmic reticulum?

Bone matrix is rich in:

Which one is made of dead cells?

1. Sclerenchyma
2. Tracheids
3. Vessel
4. All the above

Milk does not provide:

1. Vitamin A and D.
2. Carbohydrates, proteins and fats.
3. Minerals such as phosphorus and calcium.
4. Iron.