Q1: Please fill the blanks ( 10 grades):
1- Fibers are the basic component of wood products, such as ------------ One of the earliest records for making sheets of paper dates back at least 5500 years ago to the ancient Egyptians who pressed together thin strips of papyrus stems (------------------ -----------------) to write on. Egyptian papyrus belongs to the sedge family (Cyperaceae).
2- Rice paper is usually used for --------------
3- Rice paper plant (Tetrapanax papyriferus) is originally from ----------------
4- Fibers are --------------- cells with -------------- ends and very thick, heavily lignified --------------------
5- The papers made by ancient Egyptian and the Asian people were made from the pith of the plant, while the papers made by the Mexican were made from the ---------------.
6- Grain legumes are cultivated for their ---------------, while ------------- legumes are farmed commercially for their blooms or flowers.
7- There are many ways to classify spices, it could be by the --------------- used or how we use them.
8- An example of spices from
- The flowers -------------------------------------
- The root -----------------------------------
- The bark -----------------------------------
9- In addition to papers, fibers are also used to produce -------------- and -----------
10- The bacteria -----------------, have the ability to take nitrogen gas (N2) out of the air and convert it to a form of nitrogen that is usable to the host plant ( NO3- or NH3 ). This process is called ---------------- ---------------
Q2: Please indicate whether the statement in right or wrong (5 grades):
1- Rice paper, another ancient paper from the Orient, was made originally from the pith of the rice paper plant (Oryza sativa).
2- The Fabaceae comprise three subfamilies: Mimosoideae, Caesalpinioideae and Faboideae.
3- Papers usually come from the bast fibers.
4- Turmeric, Curcuma longa, is only a spice.
5- Gossypium hirsutum is the most common plant to make paper.
6- Pisum sativum is a spice from the bark.
7- Fafa beans or vicia faba is used only in the Middle East.
8- Cinnamomum cassia is the same as the cinnamon (Cinnamomum zeylanicum) that we used as a spice in everyday life.
9- There are many varieties of garden pea (Pisum sativum).
10- The dry weight of the pea is about one-quarter protein and one-quarter sugar.
Q3: Choose the right answer (5 grades):
1- In monocot plants we can find long strands of fibers in:
a- the leaves b- the stem c- the fibrous roots d- the fruit
2- Cinnamomum cassia is known also as:
a- Japanese cassia b- Orient cassia c- Chinese cassia d- Indian cassia
3- Peas are high in:
a- fibers b- protein c- vitamins and minerals d- all the previous
4- Turmeric is one of the main ingredients of:
a- food b- curry c- medicines d- rice
5- Cotton "fibers" are made from ------------------------- that grow out from the surface of the seeds immediately after fertilization:
a- multi cellular hairs b- double hairs c- unicellular hairs d- surface hairs