Diversity In Living Organisms — Science STD 9 — Question

Give two examples of Mollusca.

Whether goitre is an inherited or deficiency disease?

Give one example of connective tissue in which matrix is solid?

Where are photosynthetic pigments present in chloroplast?

An embryonic stage is absent in which group of Plantae?

1. Puccinia causes ________ disease in wheat.
2. Blast is a _________ disease of paddy.
3. Chemical used to kill weeds are called ________.
4. Pesticides are ________ chemicals.

1. rust, fungal, weedicides, toxic.
2. fungal, rust weedicides, toxic.
3. rust, viral, pesticides, toxic.
4. rust, bacterial, weedicides, toxic.

Give name of a solid fumigant.