Improvement in Food Resources — Science STD 9 — Question

Bricksin a building and cells in the living organisms are:

Phylogeny is study of:

1. Development of an indicidual.
2. Evolution of species.
3. Embryonic development of an organ.
4. Ecological adaptation of an organisms.

A mature plant cell stores its water in:

Cells are said to contain:

Along with the indigenous breeds, the exotic varieties of honey bees are also widely used for commercial production of honey in India. The Italian bee, named ApisMellifera is the most commonly breed domesticated in India. Which of the following is not a reason for the preferential use of this breed?

Organisms having bigger size and have a complex structure are called as:

The most common type of ground tissue is:

1. Epidermis.
2. Collenchymas.
3. Sclerenchyma.
4. Parenchyma.

What will happen if we put a plant and animal cell in the isotonic solution:

Which is the following is known as “physical basis of life”?

1. Gene.
2. Protoplasm.
3. Nucleolus.
4. Mitochondria.

Algae belong to:

1. Thallphytes.
2. Bryophytes.
3. Pteridophytes.
4. All of the above.