1. Goat
2. A- Collenchyma
3. Amoeba; The others are prokaryotes.
4. Stem cells are specialized cells that can transform into any kind of cells.
Stem cells can undergo constant differentiation and get transformed into other kinds of cells. They can also exist as such.
5. a) Mitochondrion
b) It helps in the production and storage of energy.
6.
7. a- Theophrastus b-John Ray
c- Aristotle d - Carl Linnaeus
8. Centrosome : Play a major role in cell
division.
Lysosome : Destroys foreign substances that enter the cell.
9. i-c-2; ii-a-4; iii-d-1
10. a) Xylem
2. A- Collenchyma
3. Amoeba; The others are prokaryotes.
4. Stem cells are specialized cells that can transform into any kind of cells.
Stem cells can undergo constant differentiation and get transformed into other kinds of cells. They can also exist as such.
5. a) Mitochondrion
b) It helps in the production and storage of energy.
6.
c- Aristotle d - Carl Linnaeus
8. Centrosome : Play a major role in cell
division.
Lysosome : Destroys foreign substances that enter the cell.
9. i-c-2; ii-a-4; iii-d-1
10. a) Xylem
b) $Transports water and minerals ab sorbed by the roots to the leaves.
$ Provides support and strength to the plant.
11. a) Microbial fertilisers are substances that contain microorganisms which help to increase the fertility of the soil.
b) The presence of microbes enable
increase in the soil factors which are
essential for plant growth.
c) A - There must be biofertilisers in the soil.
B- Chemical fertilisers and chemicals should not be used.
12.
No comments:
Post a Comment