Sequel to previous post.
marking scheme/value points for the sample paper uploaded earlier:
Q.1 A. Lysosome, B. Golgi
Complex, C. Plastid / Mitochondria (any 2) ½×1
Q.2 Exosmosis 1
Q.3 Conduction & Xylem ½×1
Q.4 Striated/Skeletal Muscle 1
Q.5 In AIDS patients immune system is not working or weakened. 1
Q.6 Mycelium, Large number of spores ½×1
Q.7 A. Symptoms, b. acute & chronic, c. bacteria, infectious &
defieicency ½×6
Q.8 Fungi, to kill bacteria
Q.9 A. Fungi (heterotrophic, cell wall chitin), Plantae (autotrophic,
cell wall cytoplasm) 1×3
B. Monocot (single cotyledon, fibrous root, parallel venation),
dicot ( 2 cotyledons, tap root, reticulate venation) – any 2
C. Porifera (cell level of organisation, non motile), Coelentrata
(tissue level of organisation, motile)
D. Piesces (aquatic, streamlined body, fins, gills), amphibians
(both terrestrial & aquatic, not streamlined body, legs, lungs as well as
gills) – any 2
OR
Whittaker’s 5 kingdom classification 3
Q.10
3 differences between
Prokaryotic & eukaryotic cells & diagram of both. 5
OR
Parenchyma, Collenchyma & Sclerenchyma
(2 differences & diagram)
Q.11
Glycerine – to prevent from
drying; Safranin – to stain 1+1
Q.12
Cockroach (jointed legs,
segmented body, chitinous exoskeleton) – (any 2) 1+2
