Day- 2 (Physics)
1) a) What is a fundamental quantity ? (2)
b) Name three fundamental quantities commonly used in physics. (1.5)
c) State the unit of the above quantities and SI system. (1.5)
2)a) What do you understand by the term "numerical value of the quantity"? (1)
b) What do you understand by the term "unit"? (2)
c) Write two requirements for selecting a unit for a physical quantity. (2)
d) What is fundamental physical quantity? (2)
e) What is derived unit ? (2)
f) Give four examples of derive the units. (2)
3) Fill in the blanks: 1/4 x 12= 3
Physical quantity. Fundamental unit in CGS Unit in SI
a) _______ _______ ________ m³
b) ________ _______ ________ K
c) ________ _______ gm cm⁻³ ____
d) _______ _______ cm s⁻² _____
Day - 1 (Biology)
Complete the following sentences by choosing the correct alternative out of those given within the brackets :
1. ___ is a green plastid containing the pigment chlorophyll. (chloroplast/ chromoplast).
2. ___ is a membrane-bound non living structure in a Cell. (vacuole/nucleus).
3. The ___ plays an important role in heredity, cell division and protein synthesis. (Nucleus/Golgi body).
4. In ___ and ___, the nuclear membrane is absent. (bacteria/ blue green algae/ plant cell)
5. All living cells contain___. (Protoplasm/chloroplast)
6. ___ is also known as powerhouse of the cell. (nucleus/ mitochondria)
7. Mitochondria are concerned with the process of___ (division/ respiration)
8. Mitochondria are generally found in ___cells. (eukaryotic/prokaryotic)
9. The endoplasmic reticulum is provided with a number of dot- like structures called____ (lysosomes/ribosomes)
10. The additional outermost non living layer of a plant cell is called___ (cell membrane/ cell wall)
11. Animal cells do not contain__ (plastids/centrosome)
12. The chromatin fibres are found in ____(nucleoplasm/ cytoplasm)
13. The largest cell in the animal kingdom is that of___egg.(Ostrich's/hen's)
14. ____control the entrance and exit of molecules ore ions. (Cell wall/ plasma membrane/vacuole)
15. _____ is a system of flattened Sacs interview and those plasmic reticulum and tubules. (endoplasmic reticulum/vacuoles/nucleus)
16. The smooth endoplasmic reticulum does not possess any ___ (lysosomes/ ribosome/ mitochondria)
17. The term 'cell was coined by ____ (Robert Hooke/Theophrastus)
18. plant cells have both a ____ and a ___. (cell wall/ blood/ cell membrane)
19. The ribosomes are involved in protein synthesis with the help of three types of (ribonucleic acid/ nucleus/ amino acid)
20. Golgi complex is___ in function. (secretary/ photosynthetic/ respiratory)
21. The organelle which destroy foreign particles or digests worn- out cells are ___(nucleus/lysosome/ vacuole)
22. The part of a cell associated with heredity is ____. (chromosome/cytoplasm/ mitochondria
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