Fill in the blanks

1. …………… consists of membranous sacs and secretes 40 types of digestive enzymes.
2. …………… is surrounded by microtubules, located near the nucleus.
3. Very thin flexible, living membrane which is differently permeable, is called …………… .
4. More than 1000 chromosomes are found in the nucleus of certain ……………
5. …………… are heredity units.
6. …………… is a plastid which stores starch.

Write the full forms of the following abbreviations:

1. DNA
2. RNA
3. ATP
4. SER
5. RER

Given below is the structure of a plant cell. Match the structures marked (a) to (e) with the clues given for each: Example : (f) : Synthesis and secretion of enzymes,hormones, etc.

Define the terms:

1. Cell organelles
2. Cell inclusions
3. Cytosol
4. Cell sap
5. Cytoplasm