11- The design made by veins in leaf is called the ……………………….
(A) respiratory system
(B) side ribs
(C) parallel venation
(D) leaf venation
12- If the design is net like on both sides of midrib, the venation is
(A) midrib
(B) side rib
(C) parallel
(D) reticulate
13- In the leaves of grass, the veins are parallel to one another that is called………………..
(A) parallel venation
(B) transpiration
(C) leaf venation
(D) none of the above
14- Water comes out of leaves in the form of vapour by a process called ……………….
(A) venation
(B) transpiration
(C) evaporation
(D) photosynthesis
15- Plants release lots of water into the air through the process of ……………….
(A) venation
(B) photosynthesis
(C) transpiration
(D) none of the above
16- Leaves prepared their food in the presence of sunlight, water and carbon dioxide. This process is called …………………
(A) venation
(B) transpiration
(C) photosynthesis
(D) none of the above
17- Which of the following gas is out in the process of photosynthesis?
(A) oxygen
(B) carbon dioxide
(C) nitrogen
(D) all of the above
18- Which part of the plant helps in holding the plant firmly in the soil.
(A) petals
(B) roots
(C) stem
(D) branches
19- Holding the plant firmly in the soil. They are said to ……………..the plant to the soil.
(A) fibrous root
(B) tap root
(C) anchor
(D) none of the above
20- The main root of the plant is called …………….
(A) stamens
(B) fibrous root
(C) lateral root
(D) tap root
ANSWERS:
11-(D), 12-(D), 13-(A), 14-(B), 15-(C), 16-(C), 17-(A), 18-(B), 19-(C), 20-(D)